./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71e8f27c3ba4176f5af8e2d76855bfc0208f8e20 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:45:00,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:00,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:00,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:00,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:00,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:00,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:00,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:00,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:00,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:00,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:00,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:00,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:00,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:00,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:00,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:00,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:00,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:00,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:00,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:00,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:00,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:00,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:00,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:00,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:00,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:00,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:00,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:00,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:00,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:00,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:00,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:00,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:00,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:00,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:00,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:00,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:00,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:00,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:00,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:00,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:00,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:00,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:00,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:00,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:00,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:00,246 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:00,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:00,246 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:00,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:00,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:00,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:00,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:00,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:00,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:00,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:00,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:00,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:00,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:00,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:00,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:00,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:00,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:00,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:00,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:00,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:00,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:00,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:00,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:00,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:00,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:00,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e8f27c3ba4176f5af8e2d76855bfc0208f8e20 [2020-10-20 01:45:00,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:00,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:00,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:00,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:00,546 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:00,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2020-10-20 01:45:00,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfcd8ea14/8d889bce429c48ff8a0dc989f362817a/FLAGe319682bc [2020-10-20 01:45:01,228 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:01,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2020-10-20 01:45:01,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfcd8ea14/8d889bce429c48ff8a0dc989f362817a/FLAGe319682bc [2020-10-20 01:45:01,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfcd8ea14/8d889bce429c48ff8a0dc989f362817a [2020-10-20 01:45:01,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:01,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:01,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:01,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:01,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:01,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71bb8aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01, skipping insertion in model container [2020-10-20 01:45:01,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:01,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:02,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:02,066 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:02,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:02,204 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:02,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02 WrapperNode [2020-10-20 01:45:02,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:02,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:02,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:02,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:02,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:02,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:02,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:02,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:02,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:02,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:02,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:02,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:02,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:03,238 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:03,238 INFO L298 CfgBuilder]: Removed 118 assume(true) statements. [2020-10-20 01:45:03,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:03 BoogieIcfgContainer [2020-10-20 01:45:03,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:03,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:03,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:03,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:03,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:01" (1/3) ... [2020-10-20 01:45:03,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131f6bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:03, skipping insertion in model container [2020-10-20 01:45:03,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02" (2/3) ... [2020-10-20 01:45:03,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131f6bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:03, skipping insertion in model container [2020-10-20 01:45:03,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:03" (3/3) ... [2020-10-20 01:45:03,250 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-10-20 01:45:03,274 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:03,282 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:03,295 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:03,319 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:03,319 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:03,319 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:03,319 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:03,320 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:03,320 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:03,320 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:03,320 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-10-20 01:45:03,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:03,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:03,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:03,343 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:03,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:03,349 INFO L82 PathProgramCache]: Analyzing trace with hash 192764202, now seen corresponding path program 1 times [2020-10-20 01:45:03,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:03,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866825279] [2020-10-20 01:45:03,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:03,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866825279] [2020-10-20 01:45:03,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:03,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:03,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066827871] [2020-10-20 01:45:03,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:03,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:03,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:03,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:03,644 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-10-20 01:45:03,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:03,676 INFO L93 Difference]: Finished difference Result 170 states and 253 transitions. [2020-10-20 01:45:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:03,677 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:03,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:03,707 INFO L225 Difference]: With dead ends: 170 [2020-10-20 01:45:03,708 INFO L226 Difference]: Without dead ends: 83 [2020-10-20 01:45:03,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:03,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-20 01:45:03,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-20 01:45:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-20 01:45:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2020-10-20 01:45:03,759 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2020-10-20 01:45:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:03,760 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2020-10-20 01:45:03,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:03,760 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-10-20 01:45:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:03,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:03,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:03,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:03,762 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:03,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:03,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1998783755, now seen corresponding path program 1 times [2020-10-20 01:45:03,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:03,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165549065] [2020-10-20 01:45:03,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:03,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165549065] [2020-10-20 01:45:03,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:03,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:03,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619741765] [2020-10-20 01:45:03,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:03,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:03,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:03,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:03,897 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2020-10-20 01:45:03,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:03,911 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2020-10-20 01:45:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:03,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:03,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:03,913 INFO L225 Difference]: With dead ends: 83 [2020-10-20 01:45:03,913 INFO L226 Difference]: Without dead ends: 38 [2020-10-20 01:45:03,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:03,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-20 01:45:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-20 01:45:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-20 01:45:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2020-10-20 01:45:03,920 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2020-10-20 01:45:03,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:03,921 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2020-10-20 01:45:03,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:03,921 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2020-10-20 01:45:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:03,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:03,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:03,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:03,923 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:03,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:03,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1021335289, now seen corresponding path program 1 times [2020-10-20 01:45:03,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:03,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907712188] [2020-10-20 01:45:03,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:04,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907712188] [2020-10-20 01:45:04,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:04,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227301897] [2020-10-20 01:45:04,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:04,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:04,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:04,070 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2020-10-20 01:45:04,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,106 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2020-10-20 01:45:04,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:04,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:45:04,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,109 INFO L225 Difference]: With dead ends: 69 [2020-10-20 01:45:04,111 INFO L226 Difference]: Without dead ends: 38 [2020-10-20 01:45:04,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-20 01:45:04,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-20 01:45:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-20 01:45:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-10-20 01:45:04,130 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2020-10-20 01:45:04,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,131 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-10-20 01:45:04,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-10-20 01:45:04,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:45:04,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:04,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:04,134 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1742927995, now seen corresponding path program 1 times [2020-10-20 01:45:04,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422060001] [2020-10-20 01:45:04,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:04,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422060001] [2020-10-20 01:45:04,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:04,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079761246] [2020-10-20 01:45:04,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:04,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:04,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:04,268 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2020-10-20 01:45:04,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,336 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2020-10-20 01:45:04,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:04,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-20 01:45:04,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,338 INFO L225 Difference]: With dead ends: 93 [2020-10-20 01:45:04,338 INFO L226 Difference]: Without dead ends: 62 [2020-10-20 01:45:04,339 INFO L677 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 [2020-10-20 01:45:04,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-20 01:45:04,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-10-20 01:45:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-20 01:45:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-10-20 01:45:04,377 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2020-10-20 01:45:04,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,378 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-10-20 01:45:04,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-10-20 01:45:04,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:04,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:04,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:04,380 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1221487882, now seen corresponding path program 1 times [2020-10-20 01:45:04,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037522013] [2020-10-20 01:45:04,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:04,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037522013] [2020-10-20 01:45:04,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:04,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973564993] [2020-10-20 01:45:04,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:04,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:04,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:04,449 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2020-10-20 01:45:04,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,502 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2020-10-20 01:45:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:04,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:04,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,504 INFO L225 Difference]: With dead ends: 157 [2020-10-20 01:45:04,504 INFO L226 Difference]: Without dead ends: 104 [2020-10-20 01:45:04,505 INFO L677 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 [2020-10-20 01:45:04,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-20 01:45:04,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2020-10-20 01:45:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-20 01:45:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-10-20 01:45:04,514 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2020-10-20 01:45:04,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,514 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-10-20 01:45:04,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-10-20 01:45:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:04,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:04,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:04,517 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,517 INFO L82 PathProgramCache]: Analyzing trace with hash -2140015705, now seen corresponding path program 1 times [2020-10-20 01:45:04,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787917438] [2020-10-20 01:45:04,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:04,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787917438] [2020-10-20 01:45:04,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:04,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955493139] [2020-10-20 01:45:04,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:04,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:04,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:04,611 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2020-10-20 01:45:04,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,729 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2020-10-20 01:45:04,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:04,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:04,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,731 INFO L225 Difference]: With dead ends: 216 [2020-10-20 01:45:04,731 INFO L226 Difference]: Without dead ends: 160 [2020-10-20 01:45:04,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:04,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-20 01:45:04,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-10-20 01:45:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-20 01:45:04,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2020-10-20 01:45:04,742 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2020-10-20 01:45:04,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,743 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2020-10-20 01:45:04,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2020-10-20 01:45:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:04,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:04,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:04,747 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1922552460, now seen corresponding path program 1 times [2020-10-20 01:45:04,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203890554] [2020-10-20 01:45:04,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:04,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203890554] [2020-10-20 01:45:04,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:04,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301737908] [2020-10-20 01:45:04,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:04,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:04,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:04,849 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2020-10-20 01:45:04,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,931 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2020-10-20 01:45:04,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:04,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:04,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,932 INFO L225 Difference]: With dead ends: 164 [2020-10-20 01:45:04,932 INFO L226 Difference]: Without dead ends: 109 [2020-10-20 01:45:04,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:04,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-20 01:45:04,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2020-10-20 01:45:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-20 01:45:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2020-10-20 01:45:04,942 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2020-10-20 01:45:04,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,943 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2020-10-20 01:45:04,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:04,943 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-10-20 01:45:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:04,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:04,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:04,945 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2020-10-20 01:45:04,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913343806] [2020-10-20 01:45:04,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:04,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913343806] [2020-10-20 01:45:04,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:04,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242963585] [2020-10-20 01:45:04,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:04,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:04,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:04,991 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2020-10-20 01:45:05,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,015 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2020-10-20 01:45:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:05,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-20 01:45:05,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,016 INFO L225 Difference]: With dead ends: 148 [2020-10-20 01:45:05,016 INFO L226 Difference]: Without dead ends: 91 [2020-10-20 01:45:05,017 INFO L677 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 [2020-10-20 01:45:05,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-20 01:45:05,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-10-20 01:45:05,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-20 01:45:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2020-10-20 01:45:05,028 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2020-10-20 01:45:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,029 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2020-10-20 01:45:05,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2020-10-20 01:45:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:05,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:05,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:05,031 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2020-10-20 01:45:05,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604046400] [2020-10-20 01:45:05,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604046400] [2020-10-20 01:45:05,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:05,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257719435] [2020-10-20 01:45:05,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:05,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:05,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:05,178 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 7 states. [2020-10-20 01:45:05,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,518 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2020-10-20 01:45:05,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:05,519 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-10-20 01:45:05,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,521 INFO L225 Difference]: With dead ends: 420 [2020-10-20 01:45:05,522 INFO L226 Difference]: Without dead ends: 363 [2020-10-20 01:45:05,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:05,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-10-20 01:45:05,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2020-10-20 01:45:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-20 01:45:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2020-10-20 01:45:05,555 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2020-10-20 01:45:05,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,556 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2020-10-20 01:45:05,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2020-10-20 01:45:05,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:45:05,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,563 INFO L422 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] [2020-10-20 01:45:05,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:05,563 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,564 INFO L82 PathProgramCache]: Analyzing trace with hash 378907943, now seen corresponding path program 1 times [2020-10-20 01:45:05,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401159148] [2020-10-20 01:45:05,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401159148] [2020-10-20 01:45:05,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000047540] [2020-10-20 01:45:05,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:45:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:05,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:05,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-10-20 01:45:05,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751183484] [2020-10-20 01:45:05,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 01:45:05,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 01:45:05,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:05,943 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 9 states. [2020-10-20 01:45:06,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,278 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2020-10-20 01:45:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:06,279 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-10-20 01:45:06,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,279 INFO L225 Difference]: With dead ends: 282 [2020-10-20 01:45:06,279 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:06,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:45:06,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:06,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-20 01:45:06,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,282 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:06,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 01:45:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:06,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:06,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:06,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:07,029 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-10-20 01:45:07,237 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-10-20 01:45:07,387 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-10-20 01:45:07,560 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 24 [2020-10-20 01:45:07,752 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-10-20 01:45:07,875 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-10-20 01:45:08,023 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-10-20 01:45:08,169 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2020-10-20 01:45:08,303 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-10-20 01:45:08,332 INFO L274 CegarLoopResult]: For program point L927(lines 927 934) no Hoare annotation was computed. [2020-10-20 01:45:08,332 INFO L277 CegarLoopResult]: At program point L927-1(lines 927 934) the Hoare annotation is: true [2020-10-20 01:45:08,333 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:08,333 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:08,333 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:08,333 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:08,333 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:08,334 INFO L274 CegarLoopResult]: For program point L599(lines 599 612) no Hoare annotation was computed. [2020-10-20 01:45:08,334 INFO L270 CegarLoopResult]: At program point L649(lines 649 655) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse5 .cse1 .cse6 .cse3) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2020-10-20 01:45:08,334 INFO L270 CegarLoopResult]: At program point L649-1(lines 649 655) the Hoare annotation is: false [2020-10-20 01:45:08,335 INFO L270 CegarLoopResult]: At program point L649-2(lines 649 655) the Hoare annotation is: false [2020-10-20 01:45:08,335 INFO L270 CegarLoopResult]: At program point L550(lines 541 554) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2020-10-20 01:45:08,335 INFO L270 CegarLoopResult]: At program point L550-1(lines 541 554) the Hoare annotation is: false [2020-10-20 01:45:08,335 INFO L270 CegarLoopResult]: At program point L550-2(lines 541 554) the Hoare annotation is: false [2020-10-20 01:45:08,335 INFO L274 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-10-20 01:45:08,336 INFO L274 CegarLoopResult]: For program point L468-3(lines 468 472) no Hoare annotation was computed. [2020-10-20 01:45:08,336 INFO L270 CegarLoopResult]: At program point L782(lines 767 785) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2020-10-20 01:45:08,336 INFO L274 CegarLoopResult]: For program point L468-6(lines 468 472) no Hoare annotation was computed. [2020-10-20 01:45:08,336 INFO L270 CegarLoopResult]: At program point L782-1(lines 767 785) the Hoare annotation is: false [2020-10-20 01:45:08,336 INFO L270 CegarLoopResult]: At program point L782-2(lines 767 785) the Hoare annotation is: false [2020-10-20 01:45:08,336 INFO L270 CegarLoopResult]: At program point L617(lines 568 618) the Hoare annotation is: false [2020-10-20 01:45:08,336 INFO L270 CegarLoopResult]: At program point L801(lines 796 803) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:08,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:08,337 INFO L274 CegarLoopResult]: For program point L570(lines 569 616) no Hoare annotation was computed. [2020-10-20 01:45:08,337 INFO L270 CegarLoopResult]: At program point L537(lines 532 540) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse5 .cse6) (and .cse8 .cse2 .cse1 .cse3 .cse4 .cse6 .cse7) (and .cse8 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse6 .cse7))) [2020-10-20 01:45:08,337 INFO L270 CegarLoopResult]: At program point L537-1(lines 532 540) the Hoare annotation is: false [2020-10-20 01:45:08,337 INFO L270 CegarLoopResult]: At program point L537-2(lines 532 540) the Hoare annotation is: false [2020-10-20 01:45:08,337 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:08,338 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-10-20 01:45:08,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:08,338 INFO L274 CegarLoopResult]: For program point L589(lines 589 595) no Hoare annotation was computed. [2020-10-20 01:45:08,338 INFO L270 CegarLoopResult]: At program point L589-1(lines 589 595) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2020-10-20 01:45:08,338 INFO L277 CegarLoopResult]: At program point L936(lines 917 939) the Hoare annotation is: true [2020-10-20 01:45:08,338 INFO L270 CegarLoopResult]: At program point L903(lines 899 905) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:08,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:08,339 INFO L274 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-10-20 01:45:08,348 INFO L270 CegarLoopResult]: At program point L607-2(lines 607 611) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2020-10-20 01:45:08,348 INFO L274 CegarLoopResult]: For program point L822(lines 822 839) no Hoare annotation was computed. [2020-10-20 01:45:08,348 INFO L270 CegarLoopResult]: At program point L822-1(lines 1 939) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6 2)) (.cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6)) (.cse5 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (and (= ~waterLevel~0 1) .cse2 .cse5 .cse6) (and .cse9 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse6 .cse7))) [2020-10-20 01:45:08,349 INFO L270 CegarLoopResult]: At program point L855-2(lines 855 869) the Hoare annotation is: false [2020-10-20 01:45:08,349 INFO L274 CegarLoopResult]: For program point L822-2(lines 822 839) no Hoare annotation was computed. [2020-10-20 01:45:08,349 INFO L270 CegarLoopResult]: At program point L822-3(lines 1 939) the Hoare annotation is: false [2020-10-20 01:45:08,350 INFO L274 CegarLoopResult]: For program point L822-4(lines 822 839) no Hoare annotation was computed. [2020-10-20 01:45:08,350 INFO L270 CegarLoopResult]: At program point L822-5(lines 1 939) the Hoare annotation is: false [2020-10-20 01:45:08,350 INFO L274 CegarLoopResult]: For program point L492(lines 492 496) no Hoare annotation was computed. [2020-10-20 01:45:08,350 INFO L274 CegarLoopResult]: For program point L674(lines 674 691) no Hoare annotation was computed. [2020-10-20 01:45:08,350 INFO L274 CegarLoopResult]: For program point L674-1(lines 674 691) no Hoare annotation was computed. [2020-10-20 01:45:08,351 INFO L274 CegarLoopResult]: For program point L674-2(lines 674 691) no Hoare annotation was computed. [2020-10-20 01:45:08,351 INFO L274 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-20 01:45:08,352 INFO L270 CegarLoopResult]: At program point L642(lines 638 660) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse2 .cse3))) [2020-10-20 01:45:08,352 INFO L270 CegarLoopResult]: At program point L642-1(lines 638 660) the Hoare annotation is: false [2020-10-20 01:45:08,352 INFO L270 CegarLoopResult]: At program point L642-2(lines 638 660) the Hoare annotation is: false [2020-10-20 01:45:08,352 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:08,352 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:08,353 INFO L274 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-10-20 01:45:08,353 INFO L274 CegarLoopResult]: For program point L776-2(lines 776 780) no Hoare annotation was computed. [2020-10-20 01:45:08,353 INFO L274 CegarLoopResult]: For program point L776-3(lines 776 780) no Hoare annotation was computed. [2020-10-20 01:45:08,353 INFO L274 CegarLoopResult]: For program point L776-5(lines 776 780) no Hoare annotation was computed. [2020-10-20 01:45:08,354 INFO L274 CegarLoopResult]: For program point L776-6(lines 776 780) no Hoare annotation was computed. [2020-10-20 01:45:08,354 INFO L274 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-10-20 01:45:08,354 INFO L274 CegarLoopResult]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2020-10-20 01:45:08,356 INFO L274 CegarLoopResult]: For program point L776-8(lines 776 780) no Hoare annotation was computed. [2020-10-20 01:45:08,356 INFO L274 CegarLoopResult]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2020-10-20 01:45:08,356 INFO L274 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2020-10-20 01:45:08,356 INFO L274 CegarLoopResult]: For program point L826(lines 826 836) no Hoare annotation was computed. [2020-10-20 01:45:08,357 INFO L274 CegarLoopResult]: For program point L859-1(lines 859 863) no Hoare annotation was computed. [2020-10-20 01:45:08,357 INFO L274 CegarLoopResult]: For program point L826-2(lines 826 836) no Hoare annotation was computed. [2020-10-20 01:45:08,357 INFO L270 CegarLoopResult]: At program point L727(lines 722 730) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~waterLevel~0 1) .cse2 .cse6 .cse7 .cse4) (and .cse2 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse4 .cse5))) [2020-10-20 01:45:08,358 INFO L270 CegarLoopResult]: At program point L727-1(lines 722 730) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (<= ~waterLevel~0 2)))) [2020-10-20 01:45:08,358 INFO L274 CegarLoopResult]: For program point L826-4(lines 826 836) no Hoare annotation was computed. [2020-10-20 01:45:08,358 INFO L270 CegarLoopResult]: At program point L727-2(lines 722 730) the Hoare annotation is: false [2020-10-20 01:45:08,359 INFO L270 CegarLoopResult]: At program point L727-3(lines 722 730) the Hoare annotation is: false [2020-10-20 01:45:08,359 INFO L270 CegarLoopResult]: At program point L727-4(lines 722 730) the Hoare annotation is: false [2020-10-20 01:45:08,360 INFO L270 CegarLoopResult]: At program point L727-5(lines 722 730) the Hoare annotation is: false [2020-10-20 01:45:08,360 INFO L274 CegarLoopResult]: For program point L678(lines 678 686) no Hoare annotation was computed. [2020-10-20 01:45:08,360 INFO L274 CegarLoopResult]: For program point L678-1(lines 678 686) no Hoare annotation was computed. [2020-10-20 01:45:08,360 INFO L274 CegarLoopResult]: For program point L678-2(lines 678 686) no Hoare annotation was computed. [2020-10-20 01:45:08,361 INFO L270 CegarLoopResult]: At program point L67(lines 1 939) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:08,361 INFO L274 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-10-20 01:45:08,364 INFO L270 CegarLoopResult]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse4))) [2020-10-20 01:45:08,364 INFO L274 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-10-20 01:45:08,364 INFO L274 CegarLoopResult]: For program point L827(lines 827 833) no Hoare annotation was computed. [2020-10-20 01:45:08,364 INFO L274 CegarLoopResult]: For program point L827-2(lines 827 833) no Hoare annotation was computed. [2020-10-20 01:45:08,365 INFO L274 CegarLoopResult]: For program point L827-4(lines 827 833) no Hoare annotation was computed. [2020-10-20 01:45:08,365 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-20 01:45:08,365 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-10-20 01:45:08,365 INFO L274 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-10-20 01:45:08,365 INFO L270 CegarLoopResult]: At program point L811(lines 642 648) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse3 .cse4))) [2020-10-20 01:45:08,366 INFO L270 CegarLoopResult]: At program point L811-1(lines 642 648) the Hoare annotation is: false [2020-10-20 01:45:08,366 INFO L270 CegarLoopResult]: At program point L811-2(lines 642 648) the Hoare annotation is: false [2020-10-20 01:45:08,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:08 BoogieIcfgContainer [2020-10-20 01:45:08,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:08,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:08,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:08,408 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:08,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:03" (3/4) ... [2020-10-20 01:45:08,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:08,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:08,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:08,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:08,432 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:08,433 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:08,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:08,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:08,467 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || ((((((((1 <= pumpRunning && tmp <= 2) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,471 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:08,553 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:08,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:08,555 INFO L168 Benchmark]: Toolchain (without parser) took 6942.18 ms. Allocated memory was 41.9 MB in the beginning and 81.3 MB in the end (delta: 39.3 MB). Free memory was 18.9 MB in the beginning and 44.0 MB in the end (delta: -25.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,556 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 30.9 MB. Free memory was 7.4 MB in the beginning and 7.3 MB in the end (delta: 63.0 kB). Peak memory consumption was 63.0 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.15 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 18.0 MB in the beginning and 21.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.13 ms. Allocated memory is still 44.0 MB. Free memory was 21.3 MB in the beginning and 18.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,558 INFO L168 Benchmark]: Boogie Preprocessor took 42.98 ms. Allocated memory is still 44.0 MB. Free memory was 18.0 MB in the beginning and 15.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,559 INFO L168 Benchmark]: RCFGBuilder took 923.65 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 15.5 MB in the beginning and 12.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,560 INFO L168 Benchmark]: TraceAbstraction took 5164.81 ms. Allocated memory was 47.2 MB in the beginning and 81.3 MB in the end (delta: 34.1 MB). Free memory was 12.2 MB in the beginning and 55.3 MB in the end (delta: -43.1 MB). Peak memory consumption was 41.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,560 INFO L168 Benchmark]: Witness Printer took 146.52 ms. Allocated memory is still 81.3 MB. Free memory was 54.3 MB in the beginning and 44.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 30.9 MB. Free memory was 7.4 MB in the beginning and 7.3 MB in the end (delta: 63.0 kB). Peak memory consumption was 63.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 585.15 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 18.0 MB in the beginning and 21.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 68.13 ms. Allocated memory is still 44.0 MB. Free memory was 21.3 MB in the beginning and 18.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 42.98 ms. Allocated memory is still 44.0 MB. Free memory was 18.0 MB in the beginning and 15.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 923.65 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 15.5 MB in the beginning and 12.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 5164.81 ms. Allocated memory was 47.2 MB in the beginning and 81.3 MB in the end (delta: 34.1 MB). Free memory was 12.2 MB in the beginning and 55.3 MB in the end (delta: -43.1 MB). Peak memory consumption was 41.0 MB. Max. memory is 14.3 GB. * Witness Printer took 146.52 ms. Allocated memory is still 81.3 MB. Free memory was 54.3 MB in the beginning and 44.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || ((((((((1 <= pumpRunning && tmp <= 2) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 90 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 1016 SDslu, 1150 SDs, 0 SdLazy, 195 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 96 NumberOfFragments, 791 HoareAnnotationTreeSize, 38 FomulaSimplifications, 22228 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 38 FomulaSimplificationsInter, 1220 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 26395 SizeOfPredicates, 4 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...