./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product51.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 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:25:19,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:19,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:19,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:19,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:19,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:19,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:19,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:19,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:19,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:19,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:19,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:19,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:19,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:19,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:19,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:19,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:19,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:19,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:19,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:19,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:19,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:19,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:19,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:19,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:19,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:19,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:19,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:19,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:19,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:19,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:19,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:19,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:19,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:19,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:19,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:19,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:19,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:19,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:19,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:19,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:19,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:19,114 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:19,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:19,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:19,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:19,117 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:19,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:19,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:19,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:19,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:19,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:19,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:19,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:19,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:19,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:19,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:19,121 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:19,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:19,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:19,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:19,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:19,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:19,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:19,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:19,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:19,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:19,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:19,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:19,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:19,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:19,125 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 -> 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 [2019-11-28 17:25:19,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:19,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:19,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:19,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:19,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:19,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-11-28 17:25:19,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e99b20d5/4e0b0615b52040e3b74a114021b24fab/FLAGb4c4c88f1 [2019-11-28 17:25:20,087 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:20,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-11-28 17:25:20,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e99b20d5/4e0b0615b52040e3b74a114021b24fab/FLAGb4c4c88f1 [2019-11-28 17:25:20,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e99b20d5/4e0b0615b52040e3b74a114021b24fab [2019-11-28 17:25:20,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:20,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:20,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:20,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:20,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:20,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:20" (1/1) ... [2019-11-28 17:25:20,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7dded6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:20, skipping insertion in model container [2019-11-28 17:25:20,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:20" (1/1) ... [2019-11-28 17:25:20,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:20,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:20,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:21,022 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:21,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:21,155 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:21,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21 WrapperNode [2019-11-28 17:25:21,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:21,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:21,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:21,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:21,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... [2019-11-28 17:25:21,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... [2019-11-28 17:25:21,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:21,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:21,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:21,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:21,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... [2019-11-28 17:25:21,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... [2019-11-28 17:25:21,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... [2019-11-28 17:25:21,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... [2019-11-28 17:25:21,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... [2019-11-28 17:25:21,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... [2019-11-28 17:25:21,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... [2019-11-28 17:25:21,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:21,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:21,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:21,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:21,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:22,277 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:22,277 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 17:25:22,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:22 BoogieIcfgContainer [2019-11-28 17:25:22,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:22,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:22,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:22,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:22,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:20" (1/3) ... [2019-11-28 17:25:22,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34cd9ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:22, skipping insertion in model container [2019-11-28 17:25:22,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:21" (2/3) ... [2019-11-28 17:25:22,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34cd9ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:22, skipping insertion in model container [2019-11-28 17:25:22,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:22" (3/3) ... [2019-11-28 17:25:22,289 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2019-11-28 17:25:22,300 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:22,308 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:22,322 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:22,352 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:22,353 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:22,353 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:22,353 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:22,354 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:22,354 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:22,354 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:22,355 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:22,380 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-11-28 17:25:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:22,390 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:22,392 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:22,392 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:22,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:22,399 INFO L82 PathProgramCache]: Analyzing trace with hash 815277316, now seen corresponding path program 1 times [2019-11-28 17:25:22,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:22,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19197514] [2019-11-28 17:25:22,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:22,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19197514] [2019-11-28 17:25:22,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:22,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:22,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592701451] [2019-11-28 17:25:22,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:22,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:22,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:22,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:22,726 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-11-28 17:25:22,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:22,760 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2019-11-28 17:25:22,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:22,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:22,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:22,774 INFO L225 Difference]: With dead ends: 239 [2019-11-28 17:25:22,774 INFO L226 Difference]: Without dead ends: 119 [2019-11-28 17:25:22,778 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:22,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-28 17:25:22,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-28 17:25:22,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-28 17:25:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2019-11-28 17:25:22,824 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2019-11-28 17:25:22,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:22,824 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2019-11-28 17:25:22,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2019-11-28 17:25:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:22,826 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:22,827 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:22,827 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:22,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:22,828 INFO L82 PathProgramCache]: Analyzing trace with hash 596441347, now seen corresponding path program 1 times [2019-11-28 17:25:22,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:22,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965134595] [2019-11-28 17:25:22,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:22,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965134595] [2019-11-28 17:25:22,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:22,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:22,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538597167] [2019-11-28 17:25:22,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:22,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:22,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:22,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:22,939 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2019-11-28 17:25:22,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:22,954 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2019-11-28 17:25:22,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:22,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:22,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:22,956 INFO L225 Difference]: With dead ends: 119 [2019-11-28 17:25:22,956 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 17:25:22,958 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:22,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 17:25:22,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 17:25:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 17:25:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-11-28 17:25:22,976 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2019-11-28 17:25:22,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:22,976 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-11-28 17:25:22,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-11-28 17:25:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:22,978 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:22,978 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:22,979 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:22,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:22,979 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2019-11-28 17:25:22,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:22,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148131674] [2019-11-28 17:25:22,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:23,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148131674] [2019-11-28 17:25:23,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:23,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:23,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29244016] [2019-11-28 17:25:23,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:23,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:23,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:23,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:23,189 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 6 states. [2019-11-28 17:25:23,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:23,347 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2019-11-28 17:25:23,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:23,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 17:25:23,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:23,350 INFO L225 Difference]: With dead ends: 163 [2019-11-28 17:25:23,350 INFO L226 Difference]: Without dead ends: 119 [2019-11-28 17:25:23,351 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 17:25:23,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-28 17:25:23,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2019-11-28 17:25:23,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 17:25:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-11-28 17:25:23,366 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2019-11-28 17:25:23,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:23,366 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-11-28 17:25:23,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-11-28 17:25:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:23,368 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:23,368 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:23,368 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:23,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:23,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2019-11-28 17:25:23,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:23,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679836371] [2019-11-28 17:25:23,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:23,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679836371] [2019-11-28 17:25:23,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:23,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:23,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081073123] [2019-11-28 17:25:23,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:23,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:23,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:23,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:23,459 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2019-11-28 17:25:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:23,511 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2019-11-28 17:25:23,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:23,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:25:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:23,515 INFO L225 Difference]: With dead ends: 157 [2019-11-28 17:25:23,515 INFO L226 Difference]: Without dead ends: 93 [2019-11-28 17:25:23,517 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:23,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-28 17:25:23,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2019-11-28 17:25:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-28 17:25:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2019-11-28 17:25:23,539 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2019-11-28 17:25:23,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:23,540 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2019-11-28 17:25:23,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2019-11-28 17:25:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 17:25:23,544 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:23,544 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:23,545 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:23,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:23,547 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2019-11-28 17:25:23,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:23,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270954380] [2019-11-28 17:25:23,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:23,679 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270954380] [2019-11-28 17:25:23,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:23,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:23,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709873899] [2019-11-28 17:25:23,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:23,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:23,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:23,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:23,682 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2019-11-28 17:25:23,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:23,788 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2019-11-28 17:25:23,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:23,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 17:25:23,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:23,791 INFO L225 Difference]: With dead ends: 452 [2019-11-28 17:25:23,792 INFO L226 Difference]: Without dead ends: 368 [2019-11-28 17:25:23,793 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:23,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-11-28 17:25:23,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2019-11-28 17:25:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-28 17:25:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2019-11-28 17:25:23,831 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2019-11-28 17:25:23,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:23,832 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2019-11-28 17:25:23,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:23,832 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2019-11-28 17:25:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 17:25:23,833 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:23,834 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:23,834 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:23,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:23,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2019-11-28 17:25:23,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:23,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152450893] [2019-11-28 17:25:23,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:23,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:23,917 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152450893] [2019-11-28 17:25:23,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:23,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:23,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341280220] [2019-11-28 17:25:23,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:23,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:23,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:23,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:23,920 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2019-11-28 17:25:24,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:24,076 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2019-11-28 17:25:24,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:24,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-28 17:25:24,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:24,080 INFO L225 Difference]: With dead ends: 605 [2019-11-28 17:25:24,080 INFO L226 Difference]: Without dead ends: 448 [2019-11-28 17:25:24,081 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:24,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-11-28 17:25:24,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2019-11-28 17:25:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-11-28 17:25:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2019-11-28 17:25:24,102 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2019-11-28 17:25:24,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:24,103 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2019-11-28 17:25:24,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2019-11-28 17:25:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:24,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:24,104 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:24,105 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:24,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:24,105 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2019-11-28 17:25:24,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:24,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098641364] [2019-11-28 17:25:24,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:24,169 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098641364] [2019-11-28 17:25:24,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:24,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:24,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787932777] [2019-11-28 17:25:24,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:24,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:24,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:24,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:24,171 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2019-11-28 17:25:24,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:24,291 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2019-11-28 17:25:24,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:24,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:25:24,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:24,296 INFO L225 Difference]: With dead ends: 479 [2019-11-28 17:25:24,296 INFO L226 Difference]: Without dead ends: 324 [2019-11-28 17:25:24,298 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:24,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-11-28 17:25:24,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2019-11-28 17:25:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-11-28 17:25:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2019-11-28 17:25:24,319 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2019-11-28 17:25:24,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:24,320 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2019-11-28 17:25:24,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2019-11-28 17:25:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:24,322 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:24,322 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:24,323 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:24,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:24,323 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2019-11-28 17:25:24,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:24,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476359548] [2019-11-28 17:25:24,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:24,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476359548] [2019-11-28 17:25:24,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:24,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:24,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409689894] [2019-11-28 17:25:24,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:24,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:24,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:24,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:24,422 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2019-11-28 17:25:24,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:24,574 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2019-11-28 17:25:24,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:24,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-28 17:25:24,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:24,577 INFO L225 Difference]: With dead ends: 513 [2019-11-28 17:25:24,577 INFO L226 Difference]: Without dead ends: 346 [2019-11-28 17:25:24,578 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:25:24,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-28 17:25:24,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2019-11-28 17:25:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-11-28 17:25:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2019-11-28 17:25:24,602 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2019-11-28 17:25:24,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:24,604 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2019-11-28 17:25:24,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:24,604 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2019-11-28 17:25:24,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:24,607 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:24,608 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:24,608 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:24,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:24,609 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2019-11-28 17:25:24,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:24,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268966467] [2019-11-28 17:25:24,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:24,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268966467] [2019-11-28 17:25:24,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:24,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:24,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7512129] [2019-11-28 17:25:24,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:24,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:24,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:24,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:24,693 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2019-11-28 17:25:24,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:24,748 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2019-11-28 17:25:24,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:24,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 17:25:24,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:24,775 INFO L225 Difference]: With dead ends: 445 [2019-11-28 17:25:24,775 INFO L226 Difference]: Without dead ends: 270 [2019-11-28 17:25:24,776 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:24,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-11-28 17:25:24,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-11-28 17:25:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-11-28 17:25:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2019-11-28 17:25:24,802 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2019-11-28 17:25:24,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:24,802 INFO L462 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2019-11-28 17:25:24,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2019-11-28 17:25:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:25:24,803 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:24,803 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:24,804 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:24,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:24,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2019-11-28 17:25:24,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:24,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553060222] [2019-11-28 17:25:24,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:24,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553060222] [2019-11-28 17:25:24,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:24,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:24,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408565729] [2019-11-28 17:25:24,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:24,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:24,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:24,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:24,847 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2019-11-28 17:25:24,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:24,918 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2019-11-28 17:25:24,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:24,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 17:25:24,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:24,923 INFO L225 Difference]: With dead ends: 389 [2019-11-28 17:25:24,923 INFO L226 Difference]: Without dead ends: 387 [2019-11-28 17:25:24,924 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:24,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-11-28 17:25:24,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2019-11-28 17:25:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-11-28 17:25:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2019-11-28 17:25:24,958 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2019-11-28 17:25:24,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:24,958 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2019-11-28 17:25:24,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2019-11-28 17:25:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:24,960 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:24,960 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:24,961 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:24,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:24,961 INFO L82 PathProgramCache]: Analyzing trace with hash -2090460060, now seen corresponding path program 1 times [2019-11-28 17:25:24,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:24,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583405137] [2019-11-28 17:25:24,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:25,092 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583405137] [2019-11-28 17:25:25,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:25,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:25,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395057475] [2019-11-28 17:25:25,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:25,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:25,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:25,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:25,096 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2019-11-28 17:25:25,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:25,413 INFO L93 Difference]: Finished difference Result 1761 states and 2425 transitions. [2019-11-28 17:25:25,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 17:25:25,414 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-28 17:25:25,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:25,425 INFO L225 Difference]: With dead ends: 1761 [2019-11-28 17:25:25,425 INFO L226 Difference]: Without dead ends: 1540 [2019-11-28 17:25:25,426 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:25:25,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2019-11-28 17:25:25,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 545. [2019-11-28 17:25:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2019-11-28 17:25:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 736 transitions. [2019-11-28 17:25:25,490 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 736 transitions. Word has length 58 [2019-11-28 17:25:25,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:25,491 INFO L462 AbstractCegarLoop]: Abstraction has 545 states and 736 transitions. [2019-11-28 17:25:25,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:25,491 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 736 transitions. [2019-11-28 17:25:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:25,493 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:25,493 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:25,494 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:25,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:25,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1832294622, now seen corresponding path program 1 times [2019-11-28 17:25:25,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:25,497 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814782661] [2019-11-28 17:25:25,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:25:25,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814782661] [2019-11-28 17:25:25,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:25,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:25:25,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239746273] [2019-11-28 17:25:25,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:25:25,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:25,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:25:25,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:25,587 INFO L87 Difference]: Start difference. First operand 545 states and 736 transitions. Second operand 7 states. [2019-11-28 17:25:25,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:25,737 INFO L93 Difference]: Finished difference Result 1208 states and 1617 transitions. [2019-11-28 17:25:25,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:25,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-28 17:25:25,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:25,742 INFO L225 Difference]: With dead ends: 1208 [2019-11-28 17:25:25,742 INFO L226 Difference]: Without dead ends: 758 [2019-11-28 17:25:25,743 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:25:25,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2019-11-28 17:25:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2019-11-28 17:25:25,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-11-28 17:25:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2019-11-28 17:25:25,784 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2019-11-28 17:25:25,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:25,785 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2019-11-28 17:25:25,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:25:25,785 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2019-11-28 17:25:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:25,786 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:25,787 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:25,787 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:25,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:25,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1973254398, now seen corresponding path program 1 times [2019-11-28 17:25:25,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:25,788 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133103261] [2019-11-28 17:25:25,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:25,855 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133103261] [2019-11-28 17:25:25,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:25,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:25,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115746587] [2019-11-28 17:25:25,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:25,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:25,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:25,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:25,857 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2019-11-28 17:25:25,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:25,984 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2019-11-28 17:25:25,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:25,984 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-28 17:25:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:25,987 INFO L225 Difference]: With dead ends: 634 [2019-11-28 17:25:25,987 INFO L226 Difference]: Without dead ends: 363 [2019-11-28 17:25:25,988 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2019-11-28 17:25:26,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2019-11-28 17:25:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-11-28 17:25:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2019-11-28 17:25:26,025 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2019-11-28 17:25:26,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:26,026 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2019-11-28 17:25:26,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2019-11-28 17:25:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-28 17:25:26,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:26,027 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:26,028 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:26,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:26,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1655944216, now seen corresponding path program 1 times [2019-11-28 17:25:26,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:26,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392742899] [2019-11-28 17:25:26,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 17:25:26,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392742899] [2019-11-28 17:25:26,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:26,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:26,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381929735] [2019-11-28 17:25:26,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:26,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:26,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:26,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:26,074 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2019-11-28 17:25:26,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:26,153 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2019-11-28 17:25:26,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:26,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-11-28 17:25:26,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:26,154 INFO L225 Difference]: With dead ends: 707 [2019-11-28 17:25:26,154 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:26,156 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:26,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:26,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:26,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-11-28 17:25:26,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:26,157 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:26,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:26,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:26,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:26,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:26,792 WARN L192 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 214 [2019-11-28 17:25:27,129 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 190 [2019-11-28 17:25:27,517 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2019-11-28 17:25:27,855 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 214 [2019-11-28 17:25:28,042 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 117 [2019-11-28 17:25:28,173 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2019-11-28 17:25:28,571 WARN L192 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2019-11-28 17:25:28,825 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 211 [2019-11-28 17:25:28,974 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 187 [2019-11-28 17:25:30,249 WARN L192 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 206 DAG size of output: 32 [2019-11-28 17:25:31,430 WARN L192 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 182 DAG size of output: 25 [2019-11-28 17:25:31,541 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 22 [2019-11-28 17:25:31,841 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2019-11-28 17:25:32,943 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 184 DAG size of output: 25 [2019-11-28 17:25:34,340 WARN L192 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 206 DAG size of output: 33 [2019-11-28 17:25:34,491 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 30 [2019-11-28 17:25:35,086 WARN L192 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2019-11-28 17:25:35,663 WARN L192 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2019-11-28 17:25:36,261 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2019-11-28 17:25:37,733 WARN L192 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 205 DAG size of output: 28 [2019-11-28 17:25:38,971 WARN L192 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 204 DAG size of output: 26 [2019-11-28 17:25:40,109 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 180 DAG size of output: 30 [2019-11-28 17:25:40,138 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-11-28 17:25:40,138 INFO L246 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-11-28 17:25:40,138 INFO L246 CegarLoopResult]: For program point L531-1(lines 129 135) no Hoare annotation was computed. [2019-11-28 17:25:40,139 INFO L242 CegarLoopResult]: At program point L399(lines 1 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:40,139 INFO L242 CegarLoopResult]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse3 .cse4 .cse2))) [2019-11-28 17:25:40,139 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-11-28 17:25:40,139 INFO L242 CegarLoopResult]: At program point L136-1(lines 136 142) the Hoare annotation is: false [2019-11-28 17:25:40,139 INFO L242 CegarLoopResult]: At program point L136-2(lines 136 142) the Hoare annotation is: false [2019-11-28 17:25:40,139 INFO L246 CegarLoopResult]: For program point L599(lines 599 606) no Hoare annotation was computed. [2019-11-28 17:25:40,139 INFO L249 CegarLoopResult]: At program point L599-1(lines 599 606) the Hoare annotation is: true [2019-11-28 17:25:40,140 INFO L242 CegarLoopResult]: At program point L501(lines 492 505) the Hoare annotation is: false [2019-11-28 17:25:40,140 INFO L242 CegarLoopResult]: At program point L501-1(lines 492 505) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:40,140 INFO L242 CegarLoopResult]: At program point L501-2(lines 492 505) the Hoare annotation is: false [2019-11-28 17:25:40,140 INFO L242 CegarLoopResult]: At program point L501-3(lines 492 505) the Hoare annotation is: false [2019-11-28 17:25:40,141 INFO L242 CegarLoopResult]: At program point L501-4(lines 492 505) the Hoare annotation is: false [2019-11-28 17:25:40,141 INFO L242 CegarLoopResult]: At program point L501-5(lines 492 505) the Hoare annotation is: false [2019-11-28 17:25:40,141 INFO L242 CegarLoopResult]: At program point L240(lines 235 243) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse3 (= 0 ~methAndRunningLastTime~0) (not .cse2)))) [2019-11-28 17:25:40,141 INFO L242 CegarLoopResult]: At program point L240-1(lines 235 243) the Hoare annotation is: false [2019-11-28 17:25:40,141 INFO L242 CegarLoopResult]: At program point L240-2(lines 235 243) the Hoare annotation is: false [2019-11-28 17:25:40,142 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-28 17:25:40,142 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse3 (not .cse2)))) [2019-11-28 17:25:40,142 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-11-28 17:25:40,142 INFO L242 CegarLoopResult]: At program point L407(lines 402 410) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:40,142 INFO L242 CegarLoopResult]: At program point L341(lines 336 343) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~6) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-28 17:25:40,142 INFO L246 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-11-28 17:25:40,142 INFO L246 CegarLoopResult]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2019-11-28 17:25:40,143 INFO L246 CegarLoopResult]: For program point L308-3(lines 308 312) no Hoare annotation was computed. [2019-11-28 17:25:40,143 INFO L246 CegarLoopResult]: For program point L308-5(lines 308 312) no Hoare annotation was computed. [2019-11-28 17:25:40,143 INFO L246 CegarLoopResult]: For program point L308-6(lines 308 312) no Hoare annotation was computed. [2019-11-28 17:25:40,143 INFO L246 CegarLoopResult]: For program point L308-8(lines 308 312) no Hoare annotation was computed. [2019-11-28 17:25:40,143 INFO L249 CegarLoopResult]: At program point L608(lines 589 611) the Hoare annotation is: true [2019-11-28 17:25:40,143 INFO L242 CegarLoopResult]: At program point L575(lines 571 577) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~6) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-11-28 17:25:40,143 INFO L246 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-11-28 17:25:40,143 INFO L242 CegarLoopResult]: At program point L511(lines 506 514) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-11-28 17:25:40,144 INFO L242 CegarLoopResult]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2019-11-28 17:25:40,144 INFO L242 CegarLoopResult]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2019-11-28 17:25:40,144 INFO L242 CegarLoopResult]: At program point L314(lines 299 317) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-11-28 17:25:40,144 INFO L242 CegarLoopResult]: At program point L314-1(lines 299 317) the Hoare annotation is: false [2019-11-28 17:25:40,144 INFO L242 CegarLoopResult]: At program point L314-2(lines 299 317) the Hoare annotation is: false [2019-11-28 17:25:40,144 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-28 17:25:40,144 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:40,145 INFO L246 CegarLoopResult]: For program point L352(lines 352 369) no Hoare annotation was computed. [2019-11-28 17:25:40,145 INFO L242 CegarLoopResult]: At program point L352-1(lines 1 986) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse2 (not .cse3)) (and .cse0 .cse1 .cse3 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:40,145 INFO L246 CegarLoopResult]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2019-11-28 17:25:40,145 INFO L242 CegarLoopResult]: At program point L352-3(lines 1 986) the Hoare annotation is: false [2019-11-28 17:25:40,145 INFO L246 CegarLoopResult]: For program point L352-4(lines 352 369) no Hoare annotation was computed. [2019-11-28 17:25:40,145 INFO L246 CegarLoopResult]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-11-28 17:25:40,145 INFO L242 CegarLoopResult]: At program point L352-5(lines 1 986) the Hoare annotation is: false [2019-11-28 17:25:40,145 INFO L246 CegarLoopResult]: For program point L187-1(lines 187 204) no Hoare annotation was computed. [2019-11-28 17:25:40,145 INFO L246 CegarLoopResult]: For program point L187-2(lines 187 204) no Hoare annotation was computed. [2019-11-28 17:25:40,146 INFO L246 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2019-11-28 17:25:40,146 INFO L246 CegarLoopResult]: For program point L617-1(line 617) no Hoare annotation was computed. [2019-11-28 17:25:40,146 INFO L246 CegarLoopResult]: For program point L617-2(line 617) no Hoare annotation was computed. [2019-11-28 17:25:40,146 INFO L246 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-11-28 17:25:40,146 INFO L246 CegarLoopResult]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-11-28 17:25:40,146 INFO L246 CegarLoopResult]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-11-28 17:25:40,146 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-28 17:25:40,146 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-11-28 17:25:40,147 INFO L246 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-11-28 17:25:40,147 INFO L242 CegarLoopResult]: At program point L322-1(lines 322 328) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:40,147 INFO L246 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,147 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:40,147 INFO L246 CegarLoopResult]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,147 INFO L246 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,147 INFO L246 CegarLoopResult]: For program point L289-5(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,147 INFO L246 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-28 17:25:40,147 INFO L246 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,148 INFO L242 CegarLoopResult]: At program point L91-1(lines 129 135) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 .cse5 (not .cse4) .cse3 (not .cse2)))) [2019-11-28 17:25:40,148 INFO L246 CegarLoopResult]: For program point L289-8(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,148 INFO L246 CegarLoopResult]: For program point L289-9(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,148 INFO L246 CegarLoopResult]: For program point L289-11(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,148 INFO L246 CegarLoopResult]: For program point L289-12(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,148 INFO L246 CegarLoopResult]: For program point L289-14(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,148 INFO L246 CegarLoopResult]: For program point L289-15(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,148 INFO L246 CegarLoopResult]: For program point L289-17(lines 289 293) no Hoare annotation was computed. [2019-11-28 17:25:40,149 INFO L246 CegarLoopResult]: For program point L356(lines 356 366) no Hoare annotation was computed. [2019-11-28 17:25:40,149 INFO L246 CegarLoopResult]: For program point L356-2(lines 356 366) no Hoare annotation was computed. [2019-11-28 17:25:40,149 INFO L246 CegarLoopResult]: For program point L356-4(lines 356 366) no Hoare annotation was computed. [2019-11-28 17:25:40,149 INFO L246 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-11-28 17:25:40,149 INFO L246 CegarLoopResult]: For program point L191-1(lines 191 199) no Hoare annotation was computed. [2019-11-28 17:25:40,149 INFO L246 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-11-28 17:25:40,149 INFO L242 CegarLoopResult]: At program point L456(lines 451 459) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse2))) [2019-11-28 17:25:40,149 INFO L242 CegarLoopResult]: At program point L456-1(lines 451 459) the Hoare annotation is: false [2019-11-28 17:25:40,150 INFO L242 CegarLoopResult]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-11-28 17:25:40,150 INFO L246 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-11-28 17:25:40,150 INFO L246 CegarLoopResult]: For program point L357-2(lines 357 363) no Hoare annotation was computed. [2019-11-28 17:25:40,150 INFO L246 CegarLoopResult]: For program point L357-4(lines 357 363) no Hoare annotation was computed. [2019-11-28 17:25:40,150 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:40,150 INFO L246 CegarLoopResult]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-11-28 17:25:40,150 INFO L246 CegarLoopResult]: For program point L161-1(lines 161 178) no Hoare annotation was computed. [2019-11-28 17:25:40,150 INFO L246 CegarLoopResult]: For program point L161-2(lines 161 178) no Hoare annotation was computed. [2019-11-28 17:25:40,150 INFO L246 CegarLoopResult]: For program point L161-3(lines 161 178) no Hoare annotation was computed. [2019-11-28 17:25:40,151 INFO L246 CegarLoopResult]: For program point L161-4(lines 161 178) no Hoare annotation was computed. [2019-11-28 17:25:40,151 INFO L246 CegarLoopResult]: For program point L161-5(lines 161 178) no Hoare annotation was computed. [2019-11-28 17:25:40,151 INFO L242 CegarLoopResult]: At program point L129(lines 128 147) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 (not (= 0 ~waterLevel~0)) (not .cse4) .cse3 (not .cse2)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:40,151 INFO L246 CegarLoopResult]: For program point L129-1(lines 129 135) no Hoare annotation was computed. [2019-11-28 17:25:40,151 INFO L242 CegarLoopResult]: At program point L129-2(lines 128 147) the Hoare annotation is: false [2019-11-28 17:25:40,151 INFO L242 CegarLoopResult]: At program point L129-3(lines 128 147) the Hoare annotation is: false [2019-11-28 17:25:40,151 INFO L242 CegarLoopResult]: At program point L295(lines 280 298) the Hoare annotation is: false [2019-11-28 17:25:40,152 INFO L242 CegarLoopResult]: At program point L295-1(lines 280 298) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:40,152 INFO L242 CegarLoopResult]: At program point L295-2(lines 280 298) the Hoare annotation is: false [2019-11-28 17:25:40,152 INFO L242 CegarLoopResult]: At program point L295-3(lines 280 298) the Hoare annotation is: false [2019-11-28 17:25:40,152 INFO L242 CegarLoopResult]: At program point L295-4(lines 280 298) the Hoare annotation is: false [2019-11-28 17:25:40,152 INFO L242 CegarLoopResult]: At program point L295-5(lines 280 298) the Hoare annotation is: false [2019-11-28 17:25:40,152 INFO L242 CegarLoopResult]: At program point L527-2(lines 527 541) the Hoare annotation is: false [2019-11-28 17:25:40,152 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-28 17:25:40,152 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse2 (not .cse3)) (and .cse0 .cse1 .cse3 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:40,153 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:40,153 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-11-28 17:25:40,153 INFO L246 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2019-11-28 17:25:40,153 INFO L246 CegarLoopResult]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-11-28 17:25:40,153 INFO L246 CegarLoopResult]: For program point L165-1(lines 165 173) no Hoare annotation was computed. [2019-11-28 17:25:40,153 INFO L246 CegarLoopResult]: For program point L165-2(lines 165 173) no Hoare annotation was computed. [2019-11-28 17:25:40,153 INFO L246 CegarLoopResult]: For program point L165-3(lines 165 173) no Hoare annotation was computed. [2019-11-28 17:25:40,153 INFO L246 CegarLoopResult]: For program point L165-4(lines 165 173) no Hoare annotation was computed. [2019-11-28 17:25:40,154 INFO L246 CegarLoopResult]: For program point L165-5(lines 165 173) no Hoare annotation was computed. [2019-11-28 17:25:40,154 INFO L246 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-11-28 17:25:40,154 INFO L246 CegarLoopResult]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2019-11-28 17:25:40,154 INFO L246 CegarLoopResult]: For program point L496-2(lines 496 502) no Hoare annotation was computed. [2019-11-28 17:25:40,154 INFO L246 CegarLoopResult]: For program point L496-3(lines 496 502) no Hoare annotation was computed. [2019-11-28 17:25:40,154 INFO L246 CegarLoopResult]: For program point L496-4(lines 496 502) no Hoare annotation was computed. [2019-11-28 17:25:40,154 INFO L246 CegarLoopResult]: For program point L496-5(lines 496 502) no Hoare annotation was computed. [2019-11-28 17:25:40,154 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-11-28 17:25:40,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:40 BoogieIcfgContainer [2019-11-28 17:25:40,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:40,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:40,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:40,188 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:40,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:22" (3/4) ... [2019-11-28 17:25:40,192 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:40,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:40,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:40,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:40,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:40,218 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:40,219 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:40,220 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:40,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-28 17:25:40,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive [2019-11-28 17:25:40,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive [2019-11-28 17:25:40,253 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:40,253 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:40,254 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-11-28 17:25:40,254 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-11-28 17:25:40,254 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:40,254 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:25:40,255 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:40,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:25:40,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-11-28 17:25:40,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:40,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) [2019-11-28 17:25:40,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && !(0 == \result)) && 0 == \result) && !(0 == waterLevel)) && !(0 == tmp___0)) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-11-28 17:25:40,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:40,364 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:40,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:40,365 INFO L168 Benchmark]: Toolchain (without parser) took 19966.85 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 460.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -103.7 MB). Peak memory consumption was 357.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:40,366 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:40,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:40,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:40,366 INFO L168 Benchmark]: Boogie Preprocessor took 95.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:40,367 INFO L168 Benchmark]: RCFGBuilder took 927.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:40,367 INFO L168 Benchmark]: TraceAbstraction took 17907.34 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 364.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -75.9 MB). Peak memory consumption was 512.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:40,367 INFO L168 Benchmark]: Witness Printer took 175.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:40,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 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 754.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 927.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17907.34 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 364.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -75.9 MB). Peak memory consumption was 512.2 MB. Max. memory is 11.5 GB. * Witness Printer took 175.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: 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: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && !(0 == \result)) && 0 == \result) && !(0 == waterLevel)) && !(0 == tmp___0)) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.9s, HoareTripleCheckerStatistics: 1407 SDtfs, 2194 SDslu, 2403 SDs, 0 SdLazy, 278 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 2316 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 775 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1746399 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 45 FomulaSimplificationsInter, 964553 FormulaSimplificationTreeSizeReductionInter, 11.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 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...