./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 210feffc8ddd7d7862cfab969b7a82589a978274 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:27:06,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:06,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:06,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:06,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:06,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:06,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:06,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:06,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:06,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:06,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:06,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:06,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:06,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:06,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:06,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:06,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:06,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:06,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:06,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:06,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:06,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:06,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:06,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:06,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:06,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:06,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:06,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:06,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:06,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:06,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:06,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:06,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:06,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:06,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:06,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:06,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:06,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:06,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:06,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:06,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:06,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:06,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:06,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:06,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:06,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:06,294 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:06,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:06,295 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:06,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:06,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:06,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:06,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:06,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:06,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:06,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:06,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:06,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:06,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:06,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:06,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:06,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:06,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:06,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:06,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:06,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:06,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:06,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:06,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:06,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:06,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:06,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 210feffc8ddd7d7862cfab969b7a82589a978274 [2019-11-28 17:27:06,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:06,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:06,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:06,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:06,639 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:06,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2019-11-28 17:27:06,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c76d338b/216d60ca184c424d918f80bb95887515/FLAGe3cebc9c9 [2019-11-28 17:27:07,298 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:07,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2019-11-28 17:27:07,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c76d338b/216d60ca184c424d918f80bb95887515/FLAGe3cebc9c9 [2019-11-28 17:27:07,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c76d338b/216d60ca184c424d918f80bb95887515 [2019-11-28 17:27:07,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:07,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:07,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:07,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:07,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:07,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:07" (1/1) ... [2019-11-28 17:27:07,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c12937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:07, skipping insertion in model container [2019-11-28 17:27:07,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:07" (1/1) ... [2019-11-28 17:27:07,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:07,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:08,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:08,211 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:08,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:08,334 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:08,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08 WrapperNode [2019-11-28 17:27:08,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:08,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:08,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:08,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:08,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:08,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:08,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:08,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:08,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... [2019-11-28 17:27:08,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:08,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:08,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:08,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:08,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:09,800 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:09,800 INFO L287 CfgBuilder]: Removed 282 assume(true) statements. [2019-11-28 17:27:09,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:09 BoogieIcfgContainer [2019-11-28 17:27:09,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:09,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:09,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:09,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:09,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:07" (1/3) ... [2019-11-28 17:27:09,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3cd051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:09, skipping insertion in model container [2019-11-28 17:27:09,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:08" (2/3) ... [2019-11-28 17:27:09,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3cd051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:09, skipping insertion in model container [2019-11-28 17:27:09,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:09" (3/3) ... [2019-11-28 17:27:09,814 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2019-11-28 17:27:09,825 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:09,833 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:09,847 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:09,875 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:09,875 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:09,875 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:09,876 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:09,876 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:09,876 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:09,876 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:09,876 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:09,905 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2019-11-28 17:27:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:27:09,913 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:09,914 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:09,915 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:09,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:09,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2019-11-28 17:27:09,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:09,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726001593] [2019-11-28 17:27:09,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,150 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726001593] [2019-11-28 17:27:10,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:10,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381277634] [2019-11-28 17:27:10,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:27:10,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:27:10,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:10,176 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2019-11-28 17:27:10,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,225 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2019-11-28 17:27:10,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:27:10,226 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:27:10,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,242 INFO L225 Difference]: With dead ends: 376 [2019-11-28 17:27:10,242 INFO L226 Difference]: Without dead ends: 187 [2019-11-28 17:27:10,247 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:10,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-11-28 17:27:10,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2019-11-28 17:27:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-11-28 17:27:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2019-11-28 17:27:10,305 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2019-11-28 17:27:10,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,306 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2019-11-28 17:27:10,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:27:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2019-11-28 17:27:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:27:10,307 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,308 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,308 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,309 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2019-11-28 17:27:10,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561234316] [2019-11-28 17:27:10,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,452 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561234316] [2019-11-28 17:27:10,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:10,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391273136] [2019-11-28 17:27:10,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:10,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:10,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,459 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2019-11-28 17:27:10,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,481 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2019-11-28 17:27:10,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:10,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:27:10,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,483 INFO L225 Difference]: With dead ends: 187 [2019-11-28 17:27:10,483 INFO L226 Difference]: Without dead ends: 73 [2019-11-28 17:27:10,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-28 17:27:10,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-28 17:27:10,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-28 17:27:10,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2019-11-28 17:27:10,495 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2019-11-28 17:27:10,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,495 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2019-11-28 17:27:10,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2019-11-28 17:27:10,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:27:10,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,498 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,498 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2019-11-28 17:27:10,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611233763] [2019-11-28 17:27:10,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,595 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611233763] [2019-11-28 17:27:10,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:10,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82027710] [2019-11-28 17:27:10,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:10,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:10,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,598 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2019-11-28 17:27:10,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,666 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2019-11-28 17:27:10,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:10,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-28 17:27:10,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,671 INFO L225 Difference]: With dead ends: 207 [2019-11-28 17:27:10,674 INFO L226 Difference]: Without dead ends: 140 [2019-11-28 17:27:10,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-28 17:27:10,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2019-11-28 17:27:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 17:27:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2019-11-28 17:27:10,712 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2019-11-28 17:27:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,713 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2019-11-28 17:27:10,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2019-11-28 17:27:10,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:27:10,715 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,715 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,716 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,717 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2019-11-28 17:27:10,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57249916] [2019-11-28 17:27:10,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57249916] [2019-11-28 17:27:10,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:10,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753629220] [2019-11-28 17:27:10,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:10,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:10,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,822 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand 3 states. [2019-11-28 17:27:10,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,919 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2019-11-28 17:27:10,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:10,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 17:27:10,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,922 INFO L225 Difference]: With dead ends: 283 [2019-11-28 17:27:10,922 INFO L226 Difference]: Without dead ends: 153 [2019-11-28 17:27:10,925 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-28 17:27:10,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2019-11-28 17:27:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-28 17:27:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2019-11-28 17:27:10,963 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2019-11-28 17:27:10,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,964 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2019-11-28 17:27:10,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2019-11-28 17:27:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:27:10,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,967 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,967 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2019-11-28 17:27:10,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858879505] [2019-11-28 17:27:10,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:11,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858879505] [2019-11-28 17:27:11,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:11,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959011027] [2019-11-28 17:27:11,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:11,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:11,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:11,126 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand 5 states. [2019-11-28 17:27:11,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,244 INFO L93 Difference]: Finished difference Result 527 states and 769 transitions. [2019-11-28 17:27:11,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:11,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 17:27:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,248 INFO L225 Difference]: With dead ends: 527 [2019-11-28 17:27:11,248 INFO L226 Difference]: Without dead ends: 382 [2019-11-28 17:27:11,249 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-11-28 17:27:11,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 236. [2019-11-28 17:27:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-28 17:27:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 332 transitions. [2019-11-28 17:27:11,273 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 332 transitions. Word has length 25 [2019-11-28 17:27:11,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,274 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 332 transitions. [2019-11-28 17:27:11,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2019-11-28 17:27:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:27:11,275 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,276 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:11,276 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,276 INFO L82 PathProgramCache]: Analyzing trace with hash -936354291, now seen corresponding path program 1 times [2019-11-28 17:27:11,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415907071] [2019-11-28 17:27:11,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:11,359 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415907071] [2019-11-28 17:27:11,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:11,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688529641] [2019-11-28 17:27:11,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:11,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:11,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:11,361 INFO L87 Difference]: Start difference. First operand 236 states and 332 transitions. Second operand 5 states. [2019-11-28 17:27:11,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,535 INFO L93 Difference]: Finished difference Result 526 states and 754 transitions. [2019-11-28 17:27:11,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:11,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 17:27:11,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,539 INFO L225 Difference]: With dead ends: 526 [2019-11-28 17:27:11,539 INFO L226 Difference]: Without dead ends: 524 [2019-11-28 17:27:11,540 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:11,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2019-11-28 17:27:11,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 236. [2019-11-28 17:27:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-28 17:27:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 330 transitions. [2019-11-28 17:27:11,561 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 330 transitions. Word has length 26 [2019-11-28 17:27:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,562 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 330 transitions. [2019-11-28 17:27:11,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2019-11-28 17:27:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:27:11,564 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,564 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:11,564 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1821957235, now seen corresponding path program 1 times [2019-11-28 17:27:11,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213493673] [2019-11-28 17:27:11,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:11,622 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213493673] [2019-11-28 17:27:11,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:11,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106599419] [2019-11-28 17:27:11,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:11,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:11,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:11,624 INFO L87 Difference]: Start difference. First operand 236 states and 330 transitions. Second operand 5 states. [2019-11-28 17:27:11,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,745 INFO L93 Difference]: Finished difference Result 651 states and 899 transitions. [2019-11-28 17:27:11,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:11,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:27:11,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,750 INFO L225 Difference]: With dead ends: 651 [2019-11-28 17:27:11,750 INFO L226 Difference]: Without dead ends: 421 [2019-11-28 17:27:11,753 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:27:11,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-28 17:27:11,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 260. [2019-11-28 17:27:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-11-28 17:27:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 354 transitions. [2019-11-28 17:27:11,780 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 354 transitions. Word has length 32 [2019-11-28 17:27:11,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,784 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 354 transitions. [2019-11-28 17:27:11,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:11,784 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 354 transitions. [2019-11-28 17:27:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:27:11,790 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,790 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:11,791 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1428930225, now seen corresponding path program 1 times [2019-11-28 17:27:11,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757499811] [2019-11-28 17:27:11,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:11,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757499811] [2019-11-28 17:27:11,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:11,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978584327] [2019-11-28 17:27:11,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:11,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:11,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:11,871 INFO L87 Difference]: Start difference. First operand 260 states and 354 transitions. Second operand 5 states. [2019-11-28 17:27:12,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,102 INFO L93 Difference]: Finished difference Result 643 states and 863 transitions. [2019-11-28 17:27:12,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:12,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:27:12,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,107 INFO L225 Difference]: With dead ends: 643 [2019-11-28 17:27:12,107 INFO L226 Difference]: Without dead ends: 389 [2019-11-28 17:27:12,108 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:12,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-11-28 17:27:12,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 233. [2019-11-28 17:27:12,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-28 17:27:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 310 transitions. [2019-11-28 17:27:12,128 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 310 transitions. Word has length 32 [2019-11-28 17:27:12,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,128 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 310 transitions. [2019-11-28 17:27:12,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 310 transitions. [2019-11-28 17:27:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:27:12,130 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,130 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:12,130 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1687095663, now seen corresponding path program 1 times [2019-11-28 17:27:12,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792674464] [2019-11-28 17:27:12,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:12,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792674464] [2019-11-28 17:27:12,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:12,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:12,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623977967] [2019-11-28 17:27:12,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:12,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:12,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:12,218 INFO L87 Difference]: Start difference. First operand 233 states and 310 transitions. Second operand 5 states. [2019-11-28 17:27:12,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,386 INFO L93 Difference]: Finished difference Result 666 states and 900 transitions. [2019-11-28 17:27:12,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:12,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:27:12,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,390 INFO L225 Difference]: With dead ends: 666 [2019-11-28 17:27:12,390 INFO L226 Difference]: Without dead ends: 491 [2019-11-28 17:27:12,391 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:12,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-11-28 17:27:12,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 326. [2019-11-28 17:27:12,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-11-28 17:27:12,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 427 transitions. [2019-11-28 17:27:12,421 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 427 transitions. Word has length 32 [2019-11-28 17:27:12,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,423 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 427 transitions. [2019-11-28 17:27:12,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 427 transitions. [2019-11-28 17:27:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-28 17:27:12,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,427 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:12,428 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,428 INFO L82 PathProgramCache]: Analyzing trace with hash -735517853, now seen corresponding path program 1 times [2019-11-28 17:27:12,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20049785] [2019-11-28 17:27:12,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 17:27:12,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20049785] [2019-11-28 17:27:12,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:12,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:12,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362992291] [2019-11-28 17:27:12,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:12,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:12,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:12,499 INFO L87 Difference]: Start difference. First operand 326 states and 427 transitions. Second operand 3 states. [2019-11-28 17:27:12,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,565 INFO L93 Difference]: Finished difference Result 547 states and 717 transitions. [2019-11-28 17:27:12,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:12,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-11-28 17:27:12,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,567 INFO L225 Difference]: With dead ends: 547 [2019-11-28 17:27:12,568 INFO L226 Difference]: Without dead ends: 227 [2019-11-28 17:27:12,569 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:12,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-11-28 17:27:12,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2019-11-28 17:27:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-11-28 17:27:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 287 transitions. [2019-11-28 17:27:12,589 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 287 transitions. Word has length 50 [2019-11-28 17:27:12,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,589 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 287 transitions. [2019-11-28 17:27:12,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 287 transitions. [2019-11-28 17:27:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-28 17:27:12,591 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,591 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:12,592 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,592 INFO L82 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2019-11-28 17:27:12,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273304244] [2019-11-28 17:27:12,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:12,672 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273304244] [2019-11-28 17:27:12,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506173704] [2019-11-28 17:27:12,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,816 INFO L264 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 17:27:12,825 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:12,867 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:12,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:27:12,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-28 17:27:12,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293362011] [2019-11-28 17:27:12,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:12,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:12,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:12,872 INFO L87 Difference]: Start difference. First operand 221 states and 287 transitions. Second operand 6 states. [2019-11-28 17:27:13,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:13,118 INFO L93 Difference]: Finished difference Result 690 states and 912 transitions. [2019-11-28 17:27:13,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:13,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-11-28 17:27:13,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:13,122 INFO L225 Difference]: With dead ends: 690 [2019-11-28 17:27:13,123 INFO L226 Difference]: Without dead ends: 518 [2019-11-28 17:27:13,124 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:13,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2019-11-28 17:27:13,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 306. [2019-11-28 17:27:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-11-28 17:27:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 401 transitions. [2019-11-28 17:27:13,161 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 401 transitions. Word has length 57 [2019-11-28 17:27:13,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:13,161 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 401 transitions. [2019-11-28 17:27:13,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 401 transitions. [2019-11-28 17:27:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:27:13,163 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:13,163 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:13,369 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:13,370 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:13,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:13,370 INFO L82 PathProgramCache]: Analyzing trace with hash 579418767, now seen corresponding path program 2 times [2019-11-28 17:27:13,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:13,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047192156] [2019-11-28 17:27:13,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:27:13,515 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047192156] [2019-11-28 17:27:13,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:13,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:13,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448939382] [2019-11-28 17:27:13,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:13,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:13,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:13,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:13,517 INFO L87 Difference]: Start difference. First operand 306 states and 401 transitions. Second operand 5 states. [2019-11-28 17:27:13,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:13,700 INFO L93 Difference]: Finished difference Result 922 states and 1223 transitions. [2019-11-28 17:27:13,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:13,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 17:27:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:13,705 INFO L225 Difference]: With dead ends: 922 [2019-11-28 17:27:13,705 INFO L226 Difference]: Without dead ends: 664 [2019-11-28 17:27:13,707 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:13,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2019-11-28 17:27:13,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 422. [2019-11-28 17:27:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-11-28 17:27:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 552 transitions. [2019-11-28 17:27:13,752 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 552 transitions. Word has length 82 [2019-11-28 17:27:13,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:13,752 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 552 transitions. [2019-11-28 17:27:13,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 552 transitions. [2019-11-28 17:27:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:27:13,754 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:13,754 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:13,755 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:13,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:13,755 INFO L82 PathProgramCache]: Analyzing trace with hash 185051981, now seen corresponding path program 1 times [2019-11-28 17:27:13,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:13,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302882913] [2019-11-28 17:27:13,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 17:27:13,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302882913] [2019-11-28 17:27:13,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189212047] [2019-11-28 17:27:13,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,973 INFO L264 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:27:13,989 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 17:27:14,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:27:14,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-28 17:27:14,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838393647] [2019-11-28 17:27:14,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:14,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:14,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:14,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:14,047 INFO L87 Difference]: Start difference. First operand 422 states and 552 transitions. Second operand 5 states. [2019-11-28 17:27:14,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:14,158 INFO L93 Difference]: Finished difference Result 811 states and 1058 transitions. [2019-11-28 17:27:14,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:14,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 17:27:14,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:14,160 INFO L225 Difference]: With dead ends: 811 [2019-11-28 17:27:14,160 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:27:14,162 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:14,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:27:14,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:27:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:27:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:27:14,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2019-11-28 17:27:14,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:14,164 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:27:14,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:27:14,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:27:14,365 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:14,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:27:14,693 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 112 [2019-11-28 17:27:15,014 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 117 [2019-11-28 17:27:15,400 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 112 [2019-11-28 17:27:15,561 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2019-11-28 17:27:15,928 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 121 [2019-11-28 17:27:16,469 WARN L192 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2019-11-28 17:27:16,667 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2019-11-28 17:27:17,186 WARN L192 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 18 [2019-11-28 17:27:17,297 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 18 [2019-11-28 17:27:17,498 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2019-11-28 17:27:17,874 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 22 [2019-11-28 17:27:18,401 WARN L192 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2019-11-28 17:27:18,871 WARN L192 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 15 [2019-11-28 17:27:19,240 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 26 [2019-11-28 17:27:19,571 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 14 [2019-11-28 17:27:20,188 WARN L192 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 19 [2019-11-28 17:27:20,347 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 18 [2019-11-28 17:27:20,356 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-11-28 17:27:20,356 INFO L242 CegarLoopResult]: At program point L961(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,356 INFO L242 CegarLoopResult]: At program point L961-1(lines 952 965) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:27:20,356 INFO L242 CegarLoopResult]: At program point L961-2(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,357 INFO L242 CegarLoopResult]: At program point L961-3(lines 952 965) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:27:20,357 INFO L242 CegarLoopResult]: At program point L961-4(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,357 INFO L242 CegarLoopResult]: At program point L961-5(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,357 INFO L242 CegarLoopResult]: At program point L961-6(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,357 INFO L242 CegarLoopResult]: At program point L961-7(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,357 INFO L242 CegarLoopResult]: At program point L961-8(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,357 INFO L242 CegarLoopResult]: At program point L961-9(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,357 INFO L242 CegarLoopResult]: At program point L961-10(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,358 INFO L242 CegarLoopResult]: At program point L961-11(lines 952 965) the Hoare annotation is: false [2019-11-28 17:27:20,358 INFO L246 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-11-28 17:27:20,358 INFO L242 CegarLoopResult]: At program point L698-1(lines 698 704) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2))) [2019-11-28 17:27:20,358 INFO L242 CegarLoopResult]: At program point L271(lines 256 274) the Hoare annotation is: (and (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:20,358 INFO L242 CegarLoopResult]: At program point L271-1(lines 256 274) the Hoare annotation is: false [2019-11-28 17:27:20,358 INFO L242 CegarLoopResult]: At program point L271-2(lines 256 274) the Hoare annotation is: false [2019-11-28 17:27:20,358 INFO L242 CegarLoopResult]: At program point L271-3(lines 256 274) the Hoare annotation is: false [2019-11-28 17:27:20,359 INFO L242 CegarLoopResult]: At program point L271-4(lines 256 274) the Hoare annotation is: false [2019-11-28 17:27:20,359 INFO L242 CegarLoopResult]: At program point L271-5(lines 256 274) the Hoare annotation is: false [2019-11-28 17:27:20,360 INFO L242 CegarLoopResult]: At program point L998(lines 1 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:20,360 INFO L246 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2019-11-28 17:27:20,360 INFO L246 CegarLoopResult]: For program point L868-1(line 868) no Hoare annotation was computed. [2019-11-28 17:27:20,360 INFO L246 CegarLoopResult]: For program point L868-2(line 868) no Hoare annotation was computed. [2019-11-28 17:27:20,360 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-11-28 17:27:20,361 INFO L246 CegarLoopResult]: For program point L903(lines 903 907) no Hoare annotation was computed. [2019-11-28 17:27:20,361 INFO L246 CegarLoopResult]: For program point L144(lines 144 161) no Hoare annotation was computed. [2019-11-28 17:27:20,361 INFO L246 CegarLoopResult]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2019-11-28 17:27:20,361 INFO L246 CegarLoopResult]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2019-11-28 17:27:20,361 INFO L242 CegarLoopResult]: At program point L971(lines 966 974) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:20,362 INFO L242 CegarLoopResult]: At program point L971-1(lines 966 974) the Hoare annotation is: false [2019-11-28 17:27:20,362 INFO L242 CegarLoopResult]: At program point L971-2(lines 966 974) the Hoare annotation is: false [2019-11-28 17:27:20,362 INFO L242 CegarLoopResult]: At program point L971-3(lines 966 974) the Hoare annotation is: false [2019-11-28 17:27:20,362 INFO L242 CegarLoopResult]: At program point L971-4(lines 966 974) the Hoare annotation is: false [2019-11-28 17:27:20,362 INFO L242 CegarLoopResult]: At program point L971-5(lines 966 974) the Hoare annotation is: false [2019-11-28 17:27:20,362 INFO L246 CegarLoopResult]: For program point L708(lines 708 723) no Hoare annotation was computed. [2019-11-28 17:27:20,363 INFO L246 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-11-28 17:27:20,363 INFO L242 CegarLoopResult]: At program point L279-1(lines 279 285) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 17:27:20,363 INFO L246 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,363 INFO L246 CegarLoopResult]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,363 INFO L246 CegarLoopResult]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,364 INFO L246 CegarLoopResult]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,364 INFO L246 CegarLoopResult]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,364 INFO L242 CegarLoopResult]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:20,364 INFO L246 CegarLoopResult]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,364 INFO L246 CegarLoopResult]: For program point L246-9(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,365 INFO L246 CegarLoopResult]: For program point L246-11(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,365 INFO L246 CegarLoopResult]: For program point L246-12(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,365 INFO L246 CegarLoopResult]: For program point L246-14(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,365 INFO L246 CegarLoopResult]: For program point L246-15(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,365 INFO L246 CegarLoopResult]: For program point L246-17(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,365 INFO L246 CegarLoopResult]: For program point L246-18(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,366 INFO L246 CegarLoopResult]: For program point L246-20(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,366 INFO L246 CegarLoopResult]: For program point L246-21(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,366 INFO L246 CegarLoopResult]: For program point L246-23(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,366 INFO L246 CegarLoopResult]: For program point L246-24(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,366 INFO L246 CegarLoopResult]: For program point L246-26(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,367 INFO L246 CegarLoopResult]: For program point L246-27(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,367 INFO L246 CegarLoopResult]: For program point L246-29(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,367 INFO L246 CegarLoopResult]: For program point L246-30(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,367 INFO L246 CegarLoopResult]: For program point L246-32(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,367 INFO L246 CegarLoopResult]: For program point L246-33(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,367 INFO L246 CegarLoopResult]: For program point L148(lines 148 156) no Hoare annotation was computed. [2019-11-28 17:27:20,368 INFO L246 CegarLoopResult]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2019-11-28 17:27:20,368 INFO L246 CegarLoopResult]: For program point L246-35(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:27:20,368 INFO L246 CegarLoopResult]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2019-11-28 17:27:20,368 INFO L242 CegarLoopResult]: At program point L776-2(lines 776 790) the Hoare annotation is: false [2019-11-28 17:27:20,368 INFO L246 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2019-11-28 17:27:20,368 INFO L246 CegarLoopResult]: For program point L679(lines 678 727) no Hoare annotation was computed. [2019-11-28 17:27:20,369 INFO L246 CegarLoopResult]: For program point L118(lines 118 135) no Hoare annotation was computed. [2019-11-28 17:27:20,369 INFO L246 CegarLoopResult]: For program point L118-1(lines 118 135) no Hoare annotation was computed. [2019-11-28 17:27:20,369 INFO L246 CegarLoopResult]: For program point L118-2(lines 118 135) no Hoare annotation was computed. [2019-11-28 17:27:20,369 INFO L246 CegarLoopResult]: For program point L118-3(lines 118 135) no Hoare annotation was computed. [2019-11-28 17:27:20,369 INFO L246 CegarLoopResult]: For program point L118-4(lines 118 135) no Hoare annotation was computed. [2019-11-28 17:27:20,369 INFO L246 CegarLoopResult]: For program point L118-5(lines 118 135) no Hoare annotation was computed. [2019-11-28 17:27:20,370 INFO L246 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2019-11-28 17:27:20,370 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:27:20,370 INFO L246 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-11-28 17:27:20,370 INFO L246 CegarLoopResult]: For program point L879-3(lines 879 883) no Hoare annotation was computed. [2019-11-28 17:27:20,370 INFO L246 CegarLoopResult]: For program point L780(lines 780 784) no Hoare annotation was computed. [2019-11-28 17:27:20,371 INFO L246 CegarLoopResult]: For program point L747(lines 747 760) no Hoare annotation was computed. [2019-11-28 17:27:20,371 INFO L246 CegarLoopResult]: For program point L780-1(lines 60 66) no Hoare annotation was computed. [2019-11-28 17:27:20,371 INFO L242 CegarLoopResult]: At program point L747-1(lines 1 1009) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse1 (= 0 ~systemActive~0)) (and .cse0 (= 1 ~waterLevel~0) .cse5 .cse1) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse1))) [2019-11-28 17:27:20,371 INFO L246 CegarLoopResult]: For program point L747-2(lines 747 760) no Hoare annotation was computed. [2019-11-28 17:27:20,371 INFO L246 CegarLoopResult]: For program point L879-6(lines 879 883) no Hoare annotation was computed. [2019-11-28 17:27:20,372 INFO L242 CegarLoopResult]: At program point L747-3(lines 1 1009) the Hoare annotation is: false [2019-11-28 17:27:20,372 INFO L246 CegarLoopResult]: For program point L747-4(lines 747 760) no Hoare annotation was computed. [2019-11-28 17:27:20,372 INFO L242 CegarLoopResult]: At program point L747-5(lines 1 1009) the Hoare annotation is: false [2019-11-28 17:27:20,372 INFO L242 CegarLoopResult]: At program point L252(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,372 INFO L242 CegarLoopResult]: At program point L252-1(lines 237 255) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:27:20,373 INFO L242 CegarLoopResult]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,373 INFO L242 CegarLoopResult]: At program point L252-3(lines 237 255) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:27:20,373 INFO L242 CegarLoopResult]: At program point L252-4(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,373 INFO L242 CegarLoopResult]: At program point L252-5(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,373 INFO L242 CegarLoopResult]: At program point L252-6(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,374 INFO L242 CegarLoopResult]: At program point L252-7(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,374 INFO L242 CegarLoopResult]: At program point L252-8(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,374 INFO L242 CegarLoopResult]: At program point L252-9(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,374 INFO L242 CegarLoopResult]: At program point L252-10(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,374 INFO L242 CegarLoopResult]: At program point L252-11(lines 237 255) the Hoare annotation is: false [2019-11-28 17:27:20,374 INFO L246 CegarLoopResult]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-11-28 17:27:20,375 INFO L242 CegarLoopResult]: At program point L716-1(lines 60 66) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2))) [2019-11-28 17:27:20,375 INFO L242 CegarLoopResult]: At program point L188(lines 181 191) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:20,375 INFO L242 CegarLoopResult]: At program point L188-1(lines 181 191) the Hoare annotation is: false [2019-11-28 17:27:20,375 INFO L246 CegarLoopResult]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-11-28 17:27:20,375 INFO L242 CegarLoopResult]: At program point L188-2(lines 181 191) the Hoare annotation is: false [2019-11-28 17:27:20,376 INFO L246 CegarLoopResult]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2019-11-28 17:27:20,376 INFO L246 CegarLoopResult]: For program point L122-2(lines 122 130) no Hoare annotation was computed. [2019-11-28 17:27:20,376 INFO L246 CegarLoopResult]: For program point L122-3(lines 122 130) no Hoare annotation was computed. [2019-11-28 17:27:20,376 INFO L246 CegarLoopResult]: For program point L122-4(lines 122 130) no Hoare annotation was computed. [2019-11-28 17:27:20,376 INFO L246 CegarLoopResult]: For program point L122-5(lines 122 130) no Hoare annotation was computed. [2019-11-28 17:27:20,376 INFO L242 CegarLoopResult]: At program point L948(lines 943 951) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)))) [2019-11-28 17:27:20,377 INFO L242 CegarLoopResult]: At program point L948-1(lines 943 951) the Hoare annotation is: false [2019-11-28 17:27:20,377 INFO L242 CegarLoopResult]: At program point L948-2(lines 943 951) the Hoare annotation is: false [2019-11-28 17:27:20,377 INFO L242 CegarLoopResult]: At program point L916(lines 911 919) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:20,377 INFO L242 CegarLoopResult]: At program point L916-1(lines 911 919) the Hoare annotation is: false [2019-11-28 17:27:20,377 INFO L246 CegarLoopResult]: For program point L850(lines 850 857) no Hoare annotation was computed. [2019-11-28 17:27:20,377 INFO L242 CegarLoopResult]: At program point L916-2(lines 911 919) the Hoare annotation is: false [2019-11-28 17:27:20,378 INFO L249 CegarLoopResult]: At program point L850-1(lines 850 857) the Hoare annotation is: true [2019-11-28 17:27:20,378 INFO L246 CegarLoopResult]: For program point L751(lines 751 757) no Hoare annotation was computed. [2019-11-28 17:27:20,378 INFO L246 CegarLoopResult]: For program point L751-2(lines 751 757) no Hoare annotation was computed. [2019-11-28 17:27:20,378 INFO L246 CegarLoopResult]: For program point L751-4(lines 751 757) no Hoare annotation was computed. [2019-11-28 17:27:20,378 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:27:20,378 INFO L246 CegarLoopResult]: For program point L92(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,379 INFO L246 CegarLoopResult]: For program point L92-1(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,379 INFO L246 CegarLoopResult]: For program point L92-2(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,379 INFO L246 CegarLoopResult]: For program point L92-3(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,379 INFO L246 CegarLoopResult]: For program point L92-4(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,379 INFO L246 CegarLoopResult]: For program point L92-5(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,379 INFO L246 CegarLoopResult]: For program point L92-6(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,380 INFO L246 CegarLoopResult]: For program point L92-7(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,380 INFO L246 CegarLoopResult]: For program point L92-8(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,380 INFO L246 CegarLoopResult]: For program point L92-9(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,380 INFO L246 CegarLoopResult]: For program point L92-10(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,380 INFO L246 CegarLoopResult]: For program point L92-11(lines 92 109) no Hoare annotation was computed. [2019-11-28 17:27:20,381 INFO L242 CegarLoopResult]: At program point L60(lines 59 78) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~systemActive~0)) (and (= 1 ~systemActive~0) .cse0 .cse1))) [2019-11-28 17:27:20,381 INFO L246 CegarLoopResult]: For program point L60-1(lines 60 66) no Hoare annotation was computed. [2019-11-28 17:27:20,381 INFO L242 CegarLoopResult]: At program point L60-2(lines 59 78) the Hoare annotation is: false [2019-11-28 17:27:20,381 INFO L242 CegarLoopResult]: At program point L60-3(lines 59 78) the Hoare annotation is: false [2019-11-28 17:27:20,381 INFO L246 CegarLoopResult]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-11-28 17:27:20,381 INFO L242 CegarLoopResult]: At program point L688-1(lines 688 694) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2))) [2019-11-28 17:27:20,382 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:27:20,382 INFO L246 CegarLoopResult]: For program point L96(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,382 INFO L246 CegarLoopResult]: For program point L96-1(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,382 INFO L246 CegarLoopResult]: For program point L96-2(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,382 INFO L246 CegarLoopResult]: For program point L96-3(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,382 INFO L246 CegarLoopResult]: For program point L96-4(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,383 INFO L246 CegarLoopResult]: For program point L96-5(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,383 INFO L246 CegarLoopResult]: For program point L96-6(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,383 INFO L246 CegarLoopResult]: For program point L96-7(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,383 INFO L246 CegarLoopResult]: For program point L96-8(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,383 INFO L246 CegarLoopResult]: For program point L96-9(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,383 INFO L246 CegarLoopResult]: For program point L96-10(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,384 INFO L246 CegarLoopResult]: For program point L96-11(lines 96 104) no Hoare annotation was computed. [2019-11-28 17:27:20,384 INFO L246 CegarLoopResult]: For program point L956(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,384 INFO L246 CegarLoopResult]: For program point L956-1(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,384 INFO L246 CegarLoopResult]: For program point L956-2(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,384 INFO L246 CegarLoopResult]: For program point L956-3(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,384 INFO L242 CegarLoopResult]: At program point L824(lines 820 826) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:20,385 INFO L246 CegarLoopResult]: For program point L956-4(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,385 INFO L246 CegarLoopResult]: For program point L956-5(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,385 INFO L246 CegarLoopResult]: For program point L956-6(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,385 INFO L246 CegarLoopResult]: For program point L956-7(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,385 INFO L246 CegarLoopResult]: For program point L956-8(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,385 INFO L246 CegarLoopResult]: For program point L956-9(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,386 INFO L246 CegarLoopResult]: For program point L956-10(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,386 INFO L246 CegarLoopResult]: For program point L956-11(lines 956 962) no Hoare annotation was computed. [2019-11-28 17:27:20,386 INFO L242 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: false [2019-11-28 17:27:20,386 INFO L242 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2019-11-28 17:27:20,386 INFO L242 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2019-11-28 17:27:20,386 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:27:20,387 INFO L246 CegarLoopResult]: For program point L891(lines 891 895) no Hoare annotation was computed. [2019-11-28 17:27:20,387 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-11-28 17:27:20,387 INFO L249 CegarLoopResult]: At program point L859(lines 840 862) the Hoare annotation is: true [2019-11-28 17:27:20,387 INFO L246 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,387 INFO L246 CegarLoopResult]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,387 INFO L246 CegarLoopResult]: For program point L265-3(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,388 INFO L246 CegarLoopResult]: For program point L265-5(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,388 INFO L242 CegarLoopResult]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2))) [2019-11-28 17:27:20,388 INFO L246 CegarLoopResult]: For program point L265-6(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,388 INFO L242 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: false [2019-11-28 17:27:20,388 INFO L246 CegarLoopResult]: For program point L265-8(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,389 INFO L242 CegarLoopResult]: At program point L67-2(lines 67 73) the Hoare annotation is: false [2019-11-28 17:27:20,389 INFO L246 CegarLoopResult]: For program point L265-9(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,389 INFO L246 CegarLoopResult]: For program point L265-11(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,389 INFO L246 CegarLoopResult]: For program point L265-12(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,389 INFO L246 CegarLoopResult]: For program point L265-14(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,389 INFO L246 CegarLoopResult]: For program point L265-15(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,390 INFO L242 CegarLoopResult]: At program point L728(lines 677 729) the Hoare annotation is: false [2019-11-28 17:27:20,390 INFO L246 CegarLoopResult]: For program point L265-17(lines 265 269) no Hoare annotation was computed. [2019-11-28 17:27:20,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:27:20 BoogieIcfgContainer [2019-11-28 17:27:20,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:27:20,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:27:20,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:27:20,422 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:27:20,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:09" (3/4) ... [2019-11-28 17:27:20,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:27:20,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:27:20,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:27:20,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:27:20,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:27:20,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:27:20,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:20,463 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:20,497 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && 0 == splverifierCounter) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:20,498 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) [2019-11-28 17:27:20,499 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) [2019-11-28 17:27:20,501 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter)) || ((((1 <= \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) [2019-11-28 17:27:20,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:20,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:20,507 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-28 17:27:20,507 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:20,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp___0 && 1 == systemActive) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 0 == splverifierCounter [2019-11-28 17:27:20,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:20,663 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:27:20,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:27:20,665 INFO L168 Benchmark]: Toolchain (without parser) took 13052.22 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 410.0 MB). Free memory was 960.4 MB in the beginning and 1.3 GB in the end (delta: -330.2 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:20,665 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:20,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:20,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:20,667 INFO L168 Benchmark]: Boogie Preprocessor took 115.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:20,667 INFO L168 Benchmark]: RCFGBuilder took 1255.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:20,668 INFO L168 Benchmark]: TraceAbstraction took 10617.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 261.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -284.8 MB). Peak memory consumption was 377.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:20,668 INFO L168 Benchmark]: Witness Printer took 242.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:20,670 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 717.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1255.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10617.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 261.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -284.8 MB). Peak memory consumption was 377.5 MB. Max. memory is 11.5 GB. * Witness Printer took 242.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 868]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 868]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 868]: 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: 698]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((((1 <= tmp___0 && 1 == systemActive) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 0 == splverifierCounter - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter)) || ((((1 <= \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && 0 == splverifierCounter) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 191 locations, 3 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, HoareTripleCheckerStatistics: 1801 SDtfs, 2378 SDslu, 2640 SDs, 0 SdLazy, 392 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1382 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 222 NumberOfFragments, 615 HoareAnnotationTreeSize, 68 FomulaSimplifications, 721255 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 105237 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 637 NumberOfCodeBlocks, 637 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 622 ConstructedInterpolants, 0 QuantifiedInterpolants, 51003 SizeOfPredicates, 8 NumberOfNonLiveVariables, 920 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 193/201 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...