./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_product32.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:25,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:25,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:25,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:25,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:25,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:25,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:25,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:25,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:25,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:25,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:25,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:25,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:25,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:25,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:25,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:25,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:25,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:25,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:25,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:25,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:25,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:25,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:25,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:25,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:25,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:25,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:25,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:25,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:25,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:25,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:25,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:25,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:25,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:25,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:25,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:25,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:25,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:25,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:25,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:25,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:25,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:25,156 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:25,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:25,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:25,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:25,158 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:25,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:25,159 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:25,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:25,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:25,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:25,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:25,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:25,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:25,160 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:25,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:25,160 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:25,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:25,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:25,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:25,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:25,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:25,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:25,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:25,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:25,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:25,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:25,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:25,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:25,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:25,163 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(reach_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 -> 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a [2020-10-20 01:42:25,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:25,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:25,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:25,381 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:25,382 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:25,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2020-10-20 01:42:25,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd17062e6/e17be0443f20406cae5f9bc62bdb626a/FLAG8de443208 [2020-10-20 01:42:26,036 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:26,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2020-10-20 01:42:26,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd17062e6/e17be0443f20406cae5f9bc62bdb626a/FLAG8de443208 [2020-10-20 01:42:26,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd17062e6/e17be0443f20406cae5f9bc62bdb626a [2020-10-20 01:42:26,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:26,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:26,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:26,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:26,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:26,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:26" (1/1) ... [2020-10-20 01:42:26,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b69fa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:26, skipping insertion in model container [2020-10-20 01:42:26,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:26" (1/1) ... [2020-10-20 01:42:26,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:26,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:26,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:26,877 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:26,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:27,027 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:27,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27 WrapperNode [2020-10-20 01:42:27,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:27,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:27,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:27,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:27,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:27,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:27,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:27,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:27,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:27,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:27,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:27,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:27,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (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 [2020-10-20 01:42:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:28,142 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:28,143 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-10-20 01:42:28,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:28 BoogieIcfgContainer [2020-10-20 01:42:28,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:28,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:28,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:28,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:28,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:26" (1/3) ... [2020-10-20 01:42:28,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4b2de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:28, skipping insertion in model container [2020-10-20 01:42:28,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27" (2/3) ... [2020-10-20 01:42:28,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4b2de8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:28, skipping insertion in model container [2020-10-20 01:42:28,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:28" (3/3) ... [2020-10-20 01:42:28,154 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-10-20 01:42:28,166 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:28,175 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:28,189 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:28,217 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:28,217 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:28,217 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:28,218 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:28,218 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:28,218 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:28,218 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:28,218 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-20 01:42:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:28,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:28,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:28,244 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:28,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:28,251 INFO L82 PathProgramCache]: Analyzing trace with hash -2046385212, now seen corresponding path program 1 times [2020-10-20 01:42:28,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:28,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708844435] [2020-10-20 01:42:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:28,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708844435] [2020-10-20 01:42:28,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:28,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:28,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51346744] [2020-10-20 01:42:28,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:28,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:28,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:28,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:28,608 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-20 01:42:28,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:28,644 INFO L93 Difference]: Finished difference Result 218 states and 327 transitions. [2020-10-20 01:42:28,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:28,646 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:28,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:28,668 INFO L225 Difference]: With dead ends: 218 [2020-10-20 01:42:28,668 INFO L226 Difference]: Without dead ends: 107 [2020-10-20 01:42:28,673 INFO L677 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 [2020-10-20 01:42:28,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-20 01:42:28,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-20 01:42:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-20 01:42:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2020-10-20 01:42:28,720 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2020-10-20 01:42:28,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:28,721 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2020-10-20 01:42:28,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2020-10-20 01:42:28,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:28,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:28,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:28,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:28,724 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:28,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:28,724 INFO L82 PathProgramCache]: Analyzing trace with hash 2029746115, now seen corresponding path program 1 times [2020-10-20 01:42:28,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:28,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940298270] [2020-10-20 01:42:28,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:28,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940298270] [2020-10-20 01:42:28,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:28,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:28,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403367468] [2020-10-20 01:42:28,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:28,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:28,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:28,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:28,845 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2020-10-20 01:42:28,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:28,858 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2020-10-20 01:42:28,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:28,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:28,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:28,861 INFO L225 Difference]: With dead ends: 107 [2020-10-20 01:42:28,861 INFO L226 Difference]: Without dead ends: 47 [2020-10-20 01:42:28,862 INFO L677 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 [2020-10-20 01:42:28,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-20 01:42:28,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-20 01:42:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-20 01:42:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-10-20 01:42:28,869 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2020-10-20 01:42:28,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:28,872 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-10-20 01:42:28,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-10-20 01:42:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:28,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:28,876 INFO L422 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] [2020-10-20 01:42:28,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:28,876 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:28,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:28,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2097278400, now seen corresponding path program 1 times [2020-10-20 01:42:28,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:28,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977744440] [2020-10-20 01:42:28,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:29,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977744440] [2020-10-20 01:42:29,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:29,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:29,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661967825] [2020-10-20 01:42:29,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:29,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:29,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:29,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:29,021 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 5 states. [2020-10-20 01:42:29,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:29,094 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2020-10-20 01:42:29,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:29,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:42:29,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:29,096 INFO L225 Difference]: With dead ends: 111 [2020-10-20 01:42:29,097 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:42:29,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:42:29,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:42:29,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2020-10-20 01:42:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-20 01:42:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2020-10-20 01:42:29,109 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2020-10-20 01:42:29,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:29,110 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2020-10-20 01:42:29,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2020-10-20 01:42:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:29,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:29,112 INFO L422 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] [2020-10-20 01:42:29,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:29,112 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:29,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:29,113 INFO L82 PathProgramCache]: Analyzing trace with hash 36896594, now seen corresponding path program 1 times [2020-10-20 01:42:29,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:29,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660143277] [2020-10-20 01:42:29,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:29,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660143277] [2020-10-20 01:42:29,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:29,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:29,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503560152] [2020-10-20 01:42:29,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:29,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:29,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:29,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:29,202 INFO L87 Difference]: Start difference. First operand 67 states and 98 transitions. Second operand 5 states. [2020-10-20 01:42:29,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:29,316 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2020-10-20 01:42:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:29,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:29,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:29,320 INFO L225 Difference]: With dead ends: 314 [2020-10-20 01:42:29,320 INFO L226 Difference]: Without dead ends: 254 [2020-10-20 01:42:29,321 INFO L677 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 [2020-10-20 01:42:29,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-20 01:42:29,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2020-10-20 01:42:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-20 01:42:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2020-10-20 01:42:29,349 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2020-10-20 01:42:29,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:29,352 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2020-10-20 01:42:29,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2020-10-20 01:42:29,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:29,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:29,355 INFO L422 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] [2020-10-20 01:42:29,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:29,356 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:29,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:29,356 INFO L82 PathProgramCache]: Analyzing trace with hash -979197478, now seen corresponding path program 1 times [2020-10-20 01:42:29,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:29,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378544776] [2020-10-20 01:42:29,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:29,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378544776] [2020-10-20 01:42:29,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:29,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:29,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491025540] [2020-10-20 01:42:29,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:29,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:29,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:29,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:29,449 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 5 states. [2020-10-20 01:42:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:29,531 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2020-10-20 01:42:29,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:29,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-20 01:42:29,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:29,533 INFO L225 Difference]: With dead ends: 315 [2020-10-20 01:42:29,533 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:29,535 INFO L677 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 [2020-10-20 01:42:29,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:29,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:29,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-20 01:42:29,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:29,552 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:29,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:29,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:29,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:29,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:29,880 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:29,880 INFO L274 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-10-20 01:42:29,881 INFO L270 CegarLoopResult]: At program point L333-1(lines 333 339) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,881 INFO L274 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2020-10-20 01:42:29,881 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:29,881 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:29,881 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:29,881 INFO L270 CegarLoopResult]: At program point L533(lines 528 536) the Hoare annotation is: false [2020-10-20 01:42:29,882 INFO L270 CegarLoopResult]: At program point L533-1(lines 528 536) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,882 INFO L270 CegarLoopResult]: At program point L533-2(lines 528 536) the Hoare annotation is: false [2020-10-20 01:42:29,882 INFO L270 CegarLoopResult]: At program point L533-3(lines 528 536) the Hoare annotation is: false [2020-10-20 01:42:29,883 INFO L270 CegarLoopResult]: At program point L533-4(lines 528 536) the Hoare annotation is: false [2020-10-20 01:42:29,883 INFO L274 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-10-20 01:42:29,883 INFO L270 CegarLoopResult]: At program point L533-5(lines 528 536) the Hoare annotation is: false [2020-10-20 01:42:29,883 INFO L274 CegarLoopResult]: For program point L368-1(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:29,883 INFO L274 CegarLoopResult]: For program point L600(lines 600 610) no Hoare annotation was computed. [2020-10-20 01:42:29,884 INFO L274 CegarLoopResult]: For program point L600-2(lines 600 610) no Hoare annotation was computed. [2020-10-20 01:42:29,884 INFO L274 CegarLoopResult]: For program point L600-4(lines 600 610) no Hoare annotation was computed. [2020-10-20 01:42:29,884 INFO L270 CegarLoopResult]: At program point L270(lines 265 273) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,884 INFO L270 CegarLoopResult]: At program point L270-1(lines 265 273) the Hoare annotation is: false [2020-10-20 01:42:29,885 INFO L274 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-10-20 01:42:29,885 INFO L270 CegarLoopResult]: At program point L270-2(lines 265 273) the Hoare annotation is: false [2020-10-20 01:42:29,885 INFO L274 CegarLoopResult]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2020-10-20 01:42:29,885 INFO L274 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-10-20 01:42:29,885 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-10-20 01:42:29,886 INFO L270 CegarLoopResult]: At program point L105-1(lines 142 148) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,886 INFO L274 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2020-10-20 01:42:29,886 INFO L274 CegarLoopResult]: For program point L601-2(lines 601 607) no Hoare annotation was computed. [2020-10-20 01:42:29,886 INFO L274 CegarLoopResult]: For program point L601-4(lines 601 607) no Hoare annotation was computed. [2020-10-20 01:42:29,887 INFO L274 CegarLoopResult]: For program point L174(lines 174 191) no Hoare annotation was computed. [2020-10-20 01:42:29,887 INFO L274 CegarLoopResult]: For program point L174-1(lines 174 191) no Hoare annotation was computed. [2020-10-20 01:42:29,887 INFO L274 CegarLoopResult]: For program point L174-2(lines 174 191) no Hoare annotation was computed. [2020-10-20 01:42:29,887 INFO L274 CegarLoopResult]: For program point L174-3(lines 174 191) no Hoare annotation was computed. [2020-10-20 01:42:29,888 INFO L274 CegarLoopResult]: For program point L174-4(lines 174 191) no Hoare annotation was computed. [2020-10-20 01:42:29,888 INFO L274 CegarLoopResult]: For program point L174-5(lines 174 191) no Hoare annotation was computed. [2020-10-20 01:42:29,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:29,888 INFO L270 CegarLoopResult]: At program point L142(lines 141 160) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,889 INFO L274 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:29,889 INFO L270 CegarLoopResult]: At program point L142-2(lines 141 160) the Hoare annotation is: false [2020-10-20 01:42:29,889 INFO L270 CegarLoopResult]: At program point L142-3(lines 141 160) the Hoare annotation is: false [2020-10-20 01:42:29,889 INFO L274 CegarLoopResult]: For program point L440(lines 440 447) no Hoare annotation was computed. [2020-10-20 01:42:29,890 INFO L277 CegarLoopResult]: At program point L440-1(lines 440 447) the Hoare annotation is: true [2020-10-20 01:42:29,890 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:42:29,890 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,890 INFO L270 CegarLoopResult]: At program point L574(lines 569 577) the Hoare annotation is: false [2020-10-20 01:42:29,890 INFO L270 CegarLoopResult]: At program point L574-1(lines 569 577) the Hoare annotation is: false [2020-10-20 01:42:29,891 INFO L274 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-10-20 01:42:29,891 INFO L270 CegarLoopResult]: At program point L574-2(lines 569 577) the Hoare annotation is: false [2020-10-20 01:42:29,891 INFO L270 CegarLoopResult]: At program point L574-3(lines 569 577) the Hoare annotation is: false [2020-10-20 01:42:29,891 INFO L270 CegarLoopResult]: At program point L574-4(lines 569 577) the Hoare annotation is: false [2020-10-20 01:42:29,892 INFO L270 CegarLoopResult]: At program point L574-5(lines 569 577) the Hoare annotation is: false [2020-10-20 01:42:29,892 INFO L274 CegarLoopResult]: For program point L178(lines 178 186) no Hoare annotation was computed. [2020-10-20 01:42:29,892 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 186) no Hoare annotation was computed. [2020-10-20 01:42:29,892 INFO L274 CegarLoopResult]: For program point L178-2(lines 178 186) no Hoare annotation was computed. [2020-10-20 01:42:29,892 INFO L274 CegarLoopResult]: For program point L178-3(lines 178 186) no Hoare annotation was computed. [2020-10-20 01:42:29,893 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-20 01:42:29,893 INFO L274 CegarLoopResult]: For program point L178-4(lines 178 186) no Hoare annotation was computed. [2020-10-20 01:42:29,893 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-20 01:42:29,893 INFO L274 CegarLoopResult]: For program point L178-5(lines 178 186) no Hoare annotation was computed. [2020-10-20 01:42:29,893 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-20 01:42:29,894 INFO L270 CegarLoopResult]: At program point L476(lines 1 982) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:42:29,894 INFO L270 CegarLoopResult]: At program point L412(lines 408 414) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,894 INFO L270 CegarLoopResult]: At program point L149(lines 149 155) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,894 INFO L270 CegarLoopResult]: At program point L149-1(lines 149 155) the Hoare annotation is: false [2020-10-20 01:42:29,895 INFO L270 CegarLoopResult]: At program point L149-2(lines 149 155) the Hoare annotation is: false [2020-10-20 01:42:29,895 INFO L270 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: false [2020-10-20 01:42:29,895 INFO L277 CegarLoopResult]: At program point L449(lines 430 452) the Hoare annotation is: true [2020-10-20 01:42:29,895 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:29,895 INFO L274 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2020-10-20 01:42:29,896 INFO L270 CegarLoopResult]: At program point L87-1(lines 87 93) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,896 INFO L270 CegarLoopResult]: At program point L484(lines 479 487) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,896 INFO L274 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,896 INFO L274 CegarLoopResult]: For program point L319-2(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,896 INFO L274 CegarLoopResult]: For program point L319-3(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,897 INFO L274 CegarLoopResult]: For program point L319-5(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,897 INFO L274 CegarLoopResult]: For program point L319-6(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,897 INFO L274 CegarLoopResult]: For program point L319-8(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,897 INFO L274 CegarLoopResult]: For program point L319-9(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,897 INFO L274 CegarLoopResult]: For program point L319-11(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,898 INFO L274 CegarLoopResult]: For program point L319-12(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,898 INFO L274 CegarLoopResult]: For program point L319-14(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,898 INFO L274 CegarLoopResult]: For program point L319-15(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,898 INFO L274 CegarLoopResult]: For program point L319-17(lines 319 323) no Hoare annotation was computed. [2020-10-20 01:42:29,899 INFO L270 CegarLoopResult]: At program point L585(lines 580 587) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,899 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-10-20 01:42:29,899 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:29,899 INFO L270 CegarLoopResult]: At program point L325(lines 310 328) the Hoare annotation is: false [2020-10-20 01:42:29,899 INFO L270 CegarLoopResult]: At program point L325-1(lines 310 328) the Hoare annotation is: false [2020-10-20 01:42:29,900 INFO L270 CegarLoopResult]: At program point L325-2(lines 310 328) the Hoare annotation is: false [2020-10-20 01:42:29,900 INFO L270 CegarLoopResult]: At program point L325-3(lines 310 328) the Hoare annotation is: false [2020-10-20 01:42:29,900 INFO L270 CegarLoopResult]: At program point L325-4(lines 310 328) the Hoare annotation is: false [2020-10-20 01:42:29,900 INFO L270 CegarLoopResult]: At program point L325-5(lines 310 328) the Hoare annotation is: false [2020-10-20 01:42:29,900 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:29,901 INFO L270 CegarLoopResult]: At program point L261(lines 254 264) the Hoare annotation is: false [2020-10-20 01:42:29,901 INFO L270 CegarLoopResult]: At program point L261-1(lines 254 264) the Hoare annotation is: false [2020-10-20 01:42:29,901 INFO L270 CegarLoopResult]: At program point L261-2(lines 254 264) the Hoare annotation is: false [2020-10-20 01:42:29,901 INFO L274 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2020-10-20 01:42:29,901 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:29,902 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:29,902 INFO L274 CegarLoopResult]: For program point L496(lines 496 500) no Hoare annotation was computed. [2020-10-20 01:42:29,902 INFO L274 CegarLoopResult]: For program point L496-3(lines 496 500) no Hoare annotation was computed. [2020-10-20 01:42:29,902 INFO L274 CegarLoopResult]: For program point L496-6(lines 496 500) no Hoare annotation was computed. [2020-10-20 01:42:29,902 INFO L270 CegarLoopResult]: At program point L364-2(lines 364 378) the Hoare annotation is: false [2020-10-20 01:42:29,903 INFO L274 CegarLoopResult]: For program point L596(lines 596 613) no Hoare annotation was computed. [2020-10-20 01:42:29,903 INFO L270 CegarLoopResult]: At program point L596-1(lines 1 982) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:29,903 INFO L274 CegarLoopResult]: For program point L596-2(lines 596 613) no Hoare annotation was computed. [2020-10-20 01:42:29,903 INFO L270 CegarLoopResult]: At program point L596-3(lines 1 982) the Hoare annotation is: false [2020-10-20 01:42:29,904 INFO L274 CegarLoopResult]: For program point L596-4(lines 596 613) no Hoare annotation was computed. [2020-10-20 01:42:29,904 INFO L270 CegarLoopResult]: At program point L596-5(lines 1 982) the Hoare annotation is: false [2020-10-20 01:42:29,904 INFO L274 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-10-20 01:42:29,904 INFO L274 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-10-20 01:42:29,904 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2020-10-20 01:42:29,904 INFO L274 CegarLoopResult]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2020-10-20 01:42:29,905 INFO L274 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2020-10-20 01:42:29,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:29 BoogieIcfgContainer [2020-10-20 01:42:29,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:29,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:29,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:29,937 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:29,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:28" (3/4) ... [2020-10-20 01:42:29,948 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:29,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:29,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:29,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:29,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:29,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:29,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:29,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:30,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:30,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:30,008 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:30,008 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:30,008 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:30,009 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:30,009 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:30,010 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:30,010 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:30,010 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:30,011 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:30,013 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:30,122 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:30,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:30,125 INFO L168 Benchmark]: Toolchain (without parser) took 3661.85 ms. Allocated memory was 41.9 MB in the beginning and 61.3 MB in the end (delta: 19.4 MB). Free memory was 19.0 MB in the beginning and 20.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:30,126 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.8 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:30,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.29 ms. Allocated memory was 41.9 MB in the beginning and 43.5 MB in the end (delta: 1.6 MB). Free memory was 18.1 MB in the beginning and 19.7 MB in the end (delta: -1.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:30,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.78 ms. Allocated memory is still 43.5 MB. Free memory was 19.7 MB in the beginning and 15.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:30,130 INFO L168 Benchmark]: Boogie Preprocessor took 63.73 ms. Allocated memory is still 43.5 MB. Free memory was 15.8 MB in the beginning and 12.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:30,131 INFO L168 Benchmark]: RCFGBuilder took 977.91 ms. Allocated memory was 43.5 MB in the beginning and 47.7 MB in the end (delta: 4.2 MB). Free memory was 12.9 MB in the beginning and 19.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:30,131 INFO L168 Benchmark]: TraceAbstraction took 1789.87 ms. Allocated memory was 47.7 MB in the beginning and 61.3 MB in the end (delta: 13.6 MB). Free memory was 19.0 MB in the beginning and 32.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:30,132 INFO L168 Benchmark]: Witness Printer took 185.76 ms. Allocated memory is still 61.3 MB. Free memory was 32.9 MB in the beginning and 20.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:30,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.8 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 559.29 ms. Allocated memory was 41.9 MB in the beginning and 43.5 MB in the end (delta: 1.6 MB). Free memory was 18.1 MB in the beginning and 19.7 MB in the end (delta: -1.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 74.78 ms. Allocated memory is still 43.5 MB. Free memory was 19.7 MB in the beginning and 15.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 63.73 ms. Allocated memory is still 43.5 MB. Free memory was 15.8 MB in the beginning and 12.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 977.91 ms. Allocated memory was 43.5 MB in the beginning and 47.7 MB in the end (delta: 4.2 MB). Free memory was 12.9 MB in the beginning and 19.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1789.87 ms. Allocated memory was 47.7 MB in the beginning and 61.3 MB in the end (delta: 13.6 MB). Free memory was 19.0 MB in the beginning and 32.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. * Witness Printer took 185.76 ms. Allocated memory is still 61.3 MB. Free memory was 32.9 MB in the beginning and 20.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 479]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 449 SDtfs, 622 SDslu, 433 SDs, 0 SdLazy, 72 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 139 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 211 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4192 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...