./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 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_spec5_product48.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 1b0d27feddcb9d1a4db7cdc5c8945d696a44cc7b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 18:57:58,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:57:58,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:57:58,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:57:58,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:57:58,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:57:58,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:57:58,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:57:58,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:57:59,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:57:59,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:57:59,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:57:59,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:57:59,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:57:59,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:57:59,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:57:59,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:57:59,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:57:59,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:57:59,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:57:59,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:57:59,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:57:59,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:57:59,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:57:59,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:57:59,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:57:59,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:57:59,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:57:59,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:57:59,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:57:59,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:57:59,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:57:59,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:57:59,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:57:59,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:57:59,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:57:59,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:57:59,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:57:59,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:57:59,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:57:59,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:57:59,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:57:59,047 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:57:59,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:57:59,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:57:59,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:57:59,049 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:57:59,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:57:59,049 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:57:59,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:57:59,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:57:59,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:57:59,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:57:59,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:57:59,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:57:59,051 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:57:59,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:57:59,051 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:57:59,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:57:59,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:57:59,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:57:59,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:57:59,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:57:59,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:57:59,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:57:59,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:57:59,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:57:59,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:57:59,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:57:59,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:57:59,055 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 -> 1b0d27feddcb9d1a4db7cdc5c8945d696a44cc7b [2019-11-19 18:57:59,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:57:59,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:57:59,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:57:59,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:57:59,411 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:57:59,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2019-11-19 18:57:59,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7cf8f4b/b3789c31b53840039c7fe1853ad87351/FLAGa764fb23d [2019-11-19 18:58:00,024 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:58:00,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2019-11-19 18:58:00,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7cf8f4b/b3789c31b53840039c7fe1853ad87351/FLAGa764fb23d [2019-11-19 18:58:00,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7cf8f4b/b3789c31b53840039c7fe1853ad87351 [2019-11-19 18:58:00,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:58:00,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:58:00,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:58:00,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:58:00,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:58:00,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a02542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:00, skipping insertion in model container [2019-11-19 18:58:00,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:00" (1/1) ... [2019-11-19 18:58:00,407 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:58:00,472 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:58:00,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:58:00,883 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:58:01,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:58:01,047 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:58:01,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01 WrapperNode [2019-11-19 18:58:01,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:58:01,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:58:01,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:58:01,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:58:01,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:58:01,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:58:01,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:58:01,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:58:01,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (1/1) ... [2019-11-19 18:58:01,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:58:01,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:58:01,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:58:01,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:58:01,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (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 [2019-11-19 18:58:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:58:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 18:58:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:58:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:58:02,177 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:58:02,178 INFO L285 CfgBuilder]: Removed 212 assume(true) statements. [2019-11-19 18:58:02,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:02 BoogieIcfgContainer [2019-11-19 18:58:02,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:58:02,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:58:02,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:58:02,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:58:02,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:58:00" (1/3) ... [2019-11-19 18:58:02,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6803d297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:02, skipping insertion in model container [2019-11-19 18:58:02,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:01" (2/3) ... [2019-11-19 18:58:02,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6803d297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:02, skipping insertion in model container [2019-11-19 18:58:02,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:02" (3/3) ... [2019-11-19 18:58:02,197 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2019-11-19 18:58:02,208 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:58:02,217 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 18:58:02,230 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 18:58:02,269 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:58:02,270 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:58:02,270 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:58:02,270 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:58:02,271 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:58:02,271 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:58:02,271 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:58:02,272 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:58:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2019-11-19 18:58:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 18:58:02,304 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:02,305 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:02,306 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:02,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:02,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1514559463, now seen corresponding path program 1 times [2019-11-19 18:58:02,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:02,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37020939] [2019-11-19 18:58:02,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:02,604 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37020939] [2019-11-19 18:58:02,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:02,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:58:02,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209232349] [2019-11-19 18:58:02,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:58:02,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:02,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:58:02,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:58:02,624 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2019-11-19 18:58:02,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:02,661 INFO L93 Difference]: Finished difference Result 273 states and 406 transitions. [2019-11-19 18:58:02,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:58:02,663 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-19 18:58:02,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:02,677 INFO L225 Difference]: With dead ends: 273 [2019-11-19 18:58:02,677 INFO L226 Difference]: Without dead ends: 136 [2019-11-19 18:58:02,682 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 [2019-11-19 18:58:02,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-19 18:58:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-11-19 18:58:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-19 18:58:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 195 transitions. [2019-11-19 18:58:02,733 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 195 transitions. Word has length 19 [2019-11-19 18:58:02,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:02,734 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 195 transitions. [2019-11-19 18:58:02,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:58:02,734 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 195 transitions. [2019-11-19 18:58:02,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 18:58:02,735 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:02,736 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] [2019-11-19 18:58:02,736 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:02,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:02,737 INFO L82 PathProgramCache]: Analyzing trace with hash 291460090, now seen corresponding path program 1 times [2019-11-19 18:58:02,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:02,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084275966] [2019-11-19 18:58:02,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:02,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084275966] [2019-11-19 18:58:02,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:02,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:58:02,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393478674] [2019-11-19 18:58:02,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:02,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:02,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:02,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:02,852 INFO L87 Difference]: Start difference. First operand 136 states and 195 transitions. Second operand 3 states. [2019-11-19 18:58:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:02,891 INFO L93 Difference]: Finished difference Result 136 states and 195 transitions. [2019-11-19 18:58:02,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:02,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-19 18:58:02,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:02,894 INFO L225 Difference]: With dead ends: 136 [2019-11-19 18:58:02,896 INFO L226 Difference]: Without dead ends: 57 [2019-11-19 18:58:02,897 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 [2019-11-19 18:58:02,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-19 18:58:02,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-19 18:58:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-19 18:58:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2019-11-19 18:58:02,914 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2019-11-19 18:58:02,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:02,915 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2019-11-19 18:58:02,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2019-11-19 18:58:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 18:58:02,917 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:02,918 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] [2019-11-19 18:58:02,918 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:02,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:02,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1876130146, now seen corresponding path program 1 times [2019-11-19 18:58:02,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:02,919 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518553904] [2019-11-19 18:58:02,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518553904] [2019-11-19 18:58:03,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:58:03,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083667933] [2019-11-19 18:58:03,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:03,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:03,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:03,055 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2019-11-19 18:58:03,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,115 INFO L93 Difference]: Finished difference Result 157 states and 229 transitions. [2019-11-19 18:58:03,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:03,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 18:58:03,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,118 INFO L225 Difference]: With dead ends: 157 [2019-11-19 18:58:03,118 INFO L226 Difference]: Without dead ends: 107 [2019-11-19 18:58:03,119 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 [2019-11-19 18:58:03,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-19 18:58:03,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2019-11-19 18:58:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-19 18:58:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2019-11-19 18:58:03,133 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 26 [2019-11-19 18:58:03,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,134 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2019-11-19 18:58:03,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2019-11-19 18:58:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 18:58:03,135 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,136 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:03,136 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1185211644, now seen corresponding path program 1 times [2019-11-19 18:58:03,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,137 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185872540] [2019-11-19 18:58:03,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,213 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185872540] [2019-11-19 18:58:03,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:58:03,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966288853] [2019-11-19 18:58:03,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:03,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:03,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:03,215 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 3 states. [2019-11-19 18:58:03,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,290 INFO L93 Difference]: Finished difference Result 246 states and 363 transitions. [2019-11-19 18:58:03,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:03,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-19 18:58:03,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,294 INFO L225 Difference]: With dead ends: 246 [2019-11-19 18:58:03,294 INFO L226 Difference]: Without dead ends: 150 [2019-11-19 18:58:03,295 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 [2019-11-19 18:58:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-19 18:58:03,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2019-11-19 18:58:03,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-19 18:58:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 212 transitions. [2019-11-19 18:58:03,334 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 212 transitions. Word has length 28 [2019-11-19 18:58:03,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,335 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 212 transitions. [2019-11-19 18:58:03,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 212 transitions. [2019-11-19 18:58:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 18:58:03,336 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,336 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] [2019-11-19 18:58:03,338 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1849643669, now seen corresponding path program 1 times [2019-11-19 18:58:03,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676600449] [2019-11-19 18:58:03,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,474 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676600449] [2019-11-19 18:58:03,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 18:58:03,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37530565] [2019-11-19 18:58:03,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:58:03,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:58:03,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:58:03,476 INFO L87 Difference]: Start difference. First operand 148 states and 212 transitions. Second operand 5 states. [2019-11-19 18:58:03,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,645 INFO L93 Difference]: Finished difference Result 523 states and 749 transitions. [2019-11-19 18:58:03,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:58:03,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-19 18:58:03,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,648 INFO L225 Difference]: With dead ends: 523 [2019-11-19 18:58:03,649 INFO L226 Difference]: Without dead ends: 382 [2019-11-19 18:58:03,650 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 [2019-11-19 18:58:03,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-11-19 18:58:03,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 146. [2019-11-19 18:58:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-19 18:58:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 206 transitions. [2019-11-19 18:58:03,668 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 206 transitions. Word has length 29 [2019-11-19 18:58:03,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,669 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 206 transitions. [2019-11-19 18:58:03,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:58:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 206 transitions. [2019-11-19 18:58:03,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 18:58:03,670 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,671 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:03,671 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1013914346, now seen corresponding path program 1 times [2019-11-19 18:58:03,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938602327] [2019-11-19 18:58:03,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:03,761 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938602327] [2019-11-19 18:58:03,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:03,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:58:03,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933538743] [2019-11-19 18:58:03,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:58:03,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:03,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:58:03,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:58:03,765 INFO L87 Difference]: Start difference. First operand 146 states and 206 transitions. Second operand 5 states. [2019-11-19 18:58:03,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:03,859 INFO L93 Difference]: Finished difference Result 387 states and 541 transitions. [2019-11-19 18:58:03,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:58:03,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-19 18:58:03,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:03,862 INFO L225 Difference]: With dead ends: 387 [2019-11-19 18:58:03,862 INFO L226 Difference]: Without dead ends: 248 [2019-11-19 18:58:03,864 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 [2019-11-19 18:58:03,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-11-19 18:58:03,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 158. [2019-11-19 18:58:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-19 18:58:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 218 transitions. [2019-11-19 18:58:03,887 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 218 transitions. Word has length 37 [2019-11-19 18:58:03,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:03,890 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 218 transitions. [2019-11-19 18:58:03,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:58:03,890 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 218 transitions. [2019-11-19 18:58:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 18:58:03,893 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:03,894 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:03,898 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:03,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:03,899 INFO L82 PathProgramCache]: Analyzing trace with hash -2025031596, now seen corresponding path program 1 times [2019-11-19 18:58:03,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:03,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779601354] [2019-11-19 18:58:03,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779601354] [2019-11-19 18:58:04,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:04,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:58:04,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410707103] [2019-11-19 18:58:04,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:58:04,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:58:04,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:58:04,012 INFO L87 Difference]: Start difference. First operand 158 states and 218 transitions. Second operand 5 states. [2019-11-19 18:58:04,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:04,191 INFO L93 Difference]: Finished difference Result 430 states and 584 transitions. [2019-11-19 18:58:04,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:58:04,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-19 18:58:04,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:04,195 INFO L225 Difference]: With dead ends: 430 [2019-11-19 18:58:04,195 INFO L226 Difference]: Without dead ends: 279 [2019-11-19 18:58:04,197 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 [2019-11-19 18:58:04,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-11-19 18:58:04,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 166. [2019-11-19 18:58:04,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-11-19 18:58:04,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 226 transitions. [2019-11-19 18:58:04,218 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 226 transitions. Word has length 37 [2019-11-19 18:58:04,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:04,219 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 226 transitions. [2019-11-19 18:58:04,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:58:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2019-11-19 18:58:04,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 18:58:04,228 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:04,229 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:04,229 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:04,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:04,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1248867346, now seen corresponding path program 1 times [2019-11-19 18:58:04,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:04,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299559597] [2019-11-19 18:58:04,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299559597] [2019-11-19 18:58:04,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:04,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:58:04,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406920425] [2019-11-19 18:58:04,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:04,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:04,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:04,315 INFO L87 Difference]: Start difference. First operand 166 states and 226 transitions. Second operand 3 states. [2019-11-19 18:58:04,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:04,365 INFO L93 Difference]: Finished difference Result 383 states and 520 transitions. [2019-11-19 18:58:04,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:04,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-19 18:58:04,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:04,367 INFO L225 Difference]: With dead ends: 383 [2019-11-19 18:58:04,368 INFO L226 Difference]: Without dead ends: 224 [2019-11-19 18:58:04,368 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 [2019-11-19 18:58:04,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-19 18:58:04,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2019-11-19 18:58:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-11-19 18:58:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 297 transitions. [2019-11-19 18:58:04,396 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 297 transitions. Word has length 37 [2019-11-19 18:58:04,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:04,396 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 297 transitions. [2019-11-19 18:58:04,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 297 transitions. [2019-11-19 18:58:04,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 18:58:04,400 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:04,401 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:04,401 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:04,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:04,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1510301998, now seen corresponding path program 1 times [2019-11-19 18:58:04,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:04,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613099541] [2019-11-19 18:58:04,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:04,556 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613099541] [2019-11-19 18:58:04,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:04,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 18:58:04,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484872049] [2019-11-19 18:58:04,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 18:58:04,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 18:58:04,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 18:58:04,562 INFO L87 Difference]: Start difference. First operand 224 states and 297 transitions. Second operand 6 states. [2019-11-19 18:58:04,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:04,848 INFO L93 Difference]: Finished difference Result 869 states and 1173 transitions. [2019-11-19 18:58:04,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:58:04,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-11-19 18:58:04,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:04,855 INFO L225 Difference]: With dead ends: 869 [2019-11-19 18:58:04,855 INFO L226 Difference]: Without dead ends: 710 [2019-11-19 18:58:04,856 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-19 18:58:04,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2019-11-19 18:58:04,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 317. [2019-11-19 18:58:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-11-19 18:58:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 414 transitions. [2019-11-19 18:58:04,899 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 414 transitions. Word has length 38 [2019-11-19 18:58:04,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:04,900 INFO L462 AbstractCegarLoop]: Abstraction has 317 states and 414 transitions. [2019-11-19 18:58:04,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 18:58:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 414 transitions. [2019-11-19 18:58:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 18:58:04,901 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:04,901 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:04,902 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:04,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:04,902 INFO L82 PathProgramCache]: Analyzing trace with hash -2147133308, now seen corresponding path program 1 times [2019-11-19 18:58:04,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:04,903 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031071617] [2019-11-19 18:58:04,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 18:58:04,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031071617] [2019-11-19 18:58:04,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:58:04,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 18:58:04,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591905827] [2019-11-19 18:58:04,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 18:58:04,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:04,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 18:58:04,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 18:58:04,960 INFO L87 Difference]: Start difference. First operand 317 states and 414 transitions. Second operand 3 states. [2019-11-19 18:58:05,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:05,038 INFO L93 Difference]: Finished difference Result 541 states and 706 transitions. [2019-11-19 18:58:05,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 18:58:05,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-19 18:58:05,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:05,040 INFO L225 Difference]: With dead ends: 541 [2019-11-19 18:58:05,040 INFO L226 Difference]: Without dead ends: 231 [2019-11-19 18:58:05,041 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 [2019-11-19 18:58:05,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-11-19 18:58:05,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 225. [2019-11-19 18:58:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-19 18:58:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 290 transitions. [2019-11-19 18:58:05,064 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 290 transitions. Word has length 58 [2019-11-19 18:58:05,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:05,064 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 290 transitions. [2019-11-19 18:58:05,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 18:58:05,065 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 290 transitions. [2019-11-19 18:58:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 18:58:05,066 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:58:05,066 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:58:05,067 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:58:05,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:58:05,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1132876314, now seen corresponding path program 1 times [2019-11-19 18:58:05,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:58:05,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570582936] [2019-11-19 18:58:05,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:58:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:05,147 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570582936] [2019-11-19 18:58:05,148 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002412793] [2019-11-19 18:58:05,148 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 [2019-11-19 18:58:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:58:05,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 18:58:05,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:58:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:58:05,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 18:58:05,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-11-19 18:58:05,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533025958] [2019-11-19 18:58:05,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 18:58:05,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:58:05,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 18:58:05,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:58:05,386 INFO L87 Difference]: Start difference. First operand 225 states and 290 transitions. Second operand 9 states. [2019-11-19 18:58:05,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:58:05,626 INFO L93 Difference]: Finished difference Result 448 states and 589 transitions. [2019-11-19 18:58:05,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-19 18:58:05,626 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-11-19 18:58:05,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:58:05,627 INFO L225 Difference]: With dead ends: 448 [2019-11-19 18:58:05,627 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:58:05,629 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-11-19 18:58:05,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:58:05,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:58:05,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:58:05,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:58:05,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-11-19 18:58:05,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:58:05,630 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:58:05,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 18:58:05,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:58:05,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:58:05,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:58:05,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:58:06,819 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2019-11-19 18:58:07,146 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 25 [2019-11-19 18:58:07,439 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 25 [2019-11-19 18:58:07,624 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-11-19 18:58:07,847 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25 [2019-11-19 18:58:08,184 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-11-19 18:58:08,295 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2019-11-19 18:58:08,675 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-11-19 18:58:08,955 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25 [2019-11-19 18:58:09,245 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 10 [2019-11-19 18:58:09,248 INFO L444 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-11-19 18:58:09,248 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-19 18:58:09,248 INFO L444 ceAbstractionStarter]: For program point L432(lines 431 480) no Hoare annotation was computed. [2019-11-19 18:58:09,248 INFO L444 ceAbstractionStarter]: For program point L433(lines 433 437) no Hoare annotation was computed. [2019-11-19 18:58:09,249 INFO L440 ceAbstractionStarter]: At program point L797(lines 792 800) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 2) (= 2 ~waterLevel~0) .cse2) (and .cse3 (and .cse0 .cse4 .cse2)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse3 (and .cse4 .cse2) (= 0 ~systemActive~0)))) [2019-11-19 18:58:09,249 INFO L440 ceAbstractionStarter]: At program point L797-1(lines 792 800) the Hoare annotation is: false [2019-11-19 18:58:09,249 INFO L440 ceAbstractionStarter]: At program point L797-2(lines 792 800) the Hoare annotation is: false [2019-11-19 18:58:09,249 INFO L440 ceAbstractionStarter]: At program point L996(lines 991 999) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:58:09,249 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-11-19 18:58:09,249 INFO L444 ceAbstractionStarter]: For program point L831-1(lines 831 835) no Hoare annotation was computed. [2019-11-19 18:58:09,249 INFO L440 ceAbstractionStarter]: At program point L765(lines 760 768) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:09,250 INFO L440 ceAbstractionStarter]: At program point L765-1(lines 760 768) the Hoare annotation is: false [2019-11-19 18:58:09,250 INFO L440 ceAbstractionStarter]: At program point L765-2(lines 760 768) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:09,250 INFO L440 ceAbstractionStarter]: At program point L765-3(lines 760 768) the Hoare annotation is: false [2019-11-19 18:58:09,250 INFO L440 ceAbstractionStarter]: At program point L765-4(lines 760 768) the Hoare annotation is: false [2019-11-19 18:58:09,250 INFO L440 ceAbstractionStarter]: At program point L765-5(lines 760 768) the Hoare annotation is: false [2019-11-19 18:58:09,250 INFO L440 ceAbstractionStarter]: At program point L765-6(lines 760 768) the Hoare annotation is: false [2019-11-19 18:58:09,250 INFO L440 ceAbstractionStarter]: At program point L765-7(lines 760 768) the Hoare annotation is: false [2019-11-19 18:58:09,250 INFO L440 ceAbstractionStarter]: At program point L765-8(lines 760 768) the Hoare annotation is: false [2019-11-19 18:58:09,251 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2019-11-19 18:58:09,251 INFO L444 ceAbstractionStarter]: For program point L568-1(lines 568 585) no Hoare annotation was computed. [2019-11-19 18:58:09,251 INFO L444 ceAbstractionStarter]: For program point L568-2(lines 568 585) no Hoare annotation was computed. [2019-11-19 18:58:09,251 INFO L444 ceAbstractionStarter]: For program point L469(lines 469 475) no Hoare annotation was computed. [2019-11-19 18:58:09,251 INFO L440 ceAbstractionStarter]: At program point L469-1(lines 1 999) the Hoare annotation is: (let ((.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (and (= ~pumpRunning~0 0) .cse2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 .cse3 .cse4) (and (and .cse3 .cse4) (= 0 ~systemActive~0))))) [2019-11-19 18:58:09,251 INFO L444 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-11-19 18:58:09,251 INFO L440 ceAbstractionStarter]: At program point L701-1(lines 701 707) the Hoare annotation is: (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:09,251 INFO L440 ceAbstractionStarter]: At program point L933(lines 510 516) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and (and (and .cse1 .cse2 .cse3) .cse4) (= 0 ~systemActive~0)))) [2019-11-19 18:58:09,252 INFO L440 ceAbstractionStarter]: At program point L933-1(lines 510 516) the Hoare annotation is: false [2019-11-19 18:58:09,252 INFO L440 ceAbstractionStarter]: At program point L933-2(lines 510 516) the Hoare annotation is: false [2019-11-19 18:58:09,252 INFO L444 ceAbstractionStarter]: For program point L604(lines 604 610) no Hoare annotation was computed. [2019-11-19 18:58:09,252 INFO L444 ceAbstractionStarter]: For program point L604-2(lines 604 610) no Hoare annotation was computed. [2019-11-19 18:58:09,252 INFO L444 ceAbstractionStarter]: For program point L604-4(lines 604 610) no Hoare annotation was computed. [2019-11-19 18:58:09,252 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-19 18:58:09,252 INFO L444 ceAbstractionStarter]: For program point L604-6(lines 604 610) no Hoare annotation was computed. [2019-11-19 18:58:09,252 INFO L444 ceAbstractionStarter]: For program point L604-8(lines 604 610) no Hoare annotation was computed. [2019-11-19 18:58:09,252 INFO L444 ceAbstractionStarter]: For program point L604-10(lines 604 610) no Hoare annotation was computed. [2019-11-19 18:58:09,253 INFO L440 ceAbstractionStarter]: At program point L638(lines 633 641) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4 .cse2 .cse3) (and (and (and .cse5 .cse6 .cse3) .cse4) (= 0 ~systemActive~0)) (and (and .cse0 .cse5 .cse6 .cse3) .cse4))) [2019-11-19 18:58:09,253 INFO L440 ceAbstractionStarter]: At program point L638-1(lines 633 641) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 (and .cse0 .cse2 .cse3)) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-19 18:58:09,253 INFO L444 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2019-11-19 18:58:09,253 INFO L440 ceAbstractionStarter]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2019-11-19 18:58:09,253 INFO L444 ceAbstractionStarter]: For program point L572-1(lines 572 580) no Hoare annotation was computed. [2019-11-19 18:58:09,253 INFO L440 ceAbstractionStarter]: At program point L638-3(lines 633 641) the Hoare annotation is: false [2019-11-19 18:58:09,253 INFO L440 ceAbstractionStarter]: At program point L638-4(lines 633 641) the Hoare annotation is: false [2019-11-19 18:58:09,253 INFO L444 ceAbstractionStarter]: For program point L572-2(lines 572 580) no Hoare annotation was computed. [2019-11-19 18:58:09,254 INFO L440 ceAbstractionStarter]: At program point L638-5(lines 633 641) the Hoare annotation is: false [2019-11-19 18:58:09,254 INFO L444 ceAbstractionStarter]: For program point L903(lines 903 910) no Hoare annotation was computed. [2019-11-19 18:58:09,254 INFO L447 ceAbstractionStarter]: At program point L903-1(lines 903 910) the Hoare annotation is: true [2019-11-19 18:58:09,254 INFO L444 ceAbstractionStarter]: For program point L441(lines 441 447) no Hoare annotation was computed. [2019-11-19 18:58:09,254 INFO L440 ceAbstractionStarter]: At program point L441-1(lines 441 447) the Hoare annotation is: (let ((.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (and (= ~pumpRunning~0 0) .cse2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 .cse3 .cse4) (and (and .cse3 .cse4) (= 0 ~systemActive~0))))) [2019-11-19 18:58:09,254 INFO L444 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-11-19 18:58:09,254 INFO L444 ceAbstractionStarter]: For program point L805-1(lines 805 811) no Hoare annotation was computed. [2019-11-19 18:58:09,254 INFO L444 ceAbstractionStarter]: For program point L805-2(lines 805 811) no Hoare annotation was computed. [2019-11-19 18:58:09,254 INFO L444 ceAbstractionStarter]: For program point L805-3(lines 805 811) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L805-4(lines 805 811) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L805-5(lines 805 811) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L740(lines 740 744) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L542(lines 542 559) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L542-1(lines 542 559) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L542-2(lines 542 559) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L542-3(lines 542 559) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L542-4(lines 542 559) no Hoare annotation was computed. [2019-11-19 18:58:09,255 INFO L444 ceAbstractionStarter]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-11-19 18:58:09,256 INFO L444 ceAbstractionStarter]: For program point L542-5(lines 542 559) no Hoare annotation was computed. [2019-11-19 18:58:09,256 INFO L444 ceAbstractionStarter]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-11-19 18:58:09,256 INFO L440 ceAbstractionStarter]: At program point L510(lines 506 528) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (and .cse1 (and .cse2 .cse3)) (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-19 18:58:09,256 INFO L440 ceAbstractionStarter]: At program point L510-1(lines 506 528) the Hoare annotation is: false [2019-11-19 18:58:09,256 INFO L440 ceAbstractionStarter]: At program point L510-2(lines 506 528) the Hoare annotation is: false [2019-11-19 18:58:09,256 INFO L440 ceAbstractionStarter]: At program point L875(lines 871 877) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:58:09,256 INFO L440 ceAbstractionStarter]: At program point L810(lines 801 814) the Hoare annotation is: false [2019-11-19 18:58:09,257 INFO L440 ceAbstractionStarter]: At program point L810-1(lines 801 814) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~waterLevel~0 2) (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-19 18:58:09,257 INFO L440 ceAbstractionStarter]: At program point L810-2(lines 801 814) the Hoare annotation is: false [2019-11-19 18:58:09,257 INFO L440 ceAbstractionStarter]: At program point L810-3(lines 801 814) the Hoare annotation is: false [2019-11-19 18:58:09,257 INFO L440 ceAbstractionStarter]: At program point L810-4(lines 801 814) the Hoare annotation is: false [2019-11-19 18:58:09,257 INFO L440 ceAbstractionStarter]: At program point L810-5(lines 801 814) the Hoare annotation is: false [2019-11-19 18:58:09,257 INFO L444 ceAbstractionStarter]: For program point L546(lines 546 554) no Hoare annotation was computed. [2019-11-19 18:58:09,257 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 546 554) no Hoare annotation was computed. [2019-11-19 18:58:09,257 INFO L444 ceAbstractionStarter]: For program point L546-2(lines 546 554) no Hoare annotation was computed. [2019-11-19 18:58:09,257 INFO L444 ceAbstractionStarter]: For program point L546-3(lines 546 554) no Hoare annotation was computed. [2019-11-19 18:58:09,257 INFO L444 ceAbstractionStarter]: For program point L546-4(lines 546 554) no Hoare annotation was computed. [2019-11-19 18:58:09,258 INFO L444 ceAbstractionStarter]: For program point L546-5(lines 546 554) no Hoare annotation was computed. [2019-11-19 18:58:09,258 INFO L440 ceAbstractionStarter]: At program point L481(lines 430 482) the Hoare annotation is: false [2019-11-19 18:58:09,258 INFO L444 ceAbstractionStarter]: For program point L944(lines 944 961) no Hoare annotation was computed. [2019-11-19 18:58:09,258 INFO L440 ceAbstractionStarter]: At program point L944-1(lines 1 999) the Hoare annotation is: (let ((.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse2 (and (= ~pumpRunning~0 0) .cse4)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2) (= 2 ~waterLevel~0) (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) .cse4) (and (and .cse1 .cse2) (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4)))) [2019-11-19 18:58:09,258 INFO L444 ceAbstractionStarter]: For program point L944-2(lines 944 961) no Hoare annotation was computed. [2019-11-19 18:58:09,258 INFO L440 ceAbstractionStarter]: At program point L944-3(lines 1 999) the Hoare annotation is: false [2019-11-19 18:58:09,258 INFO L444 ceAbstractionStarter]: For program point L944-4(lines 944 961) no Hoare annotation was computed. [2019-11-19 18:58:09,258 INFO L440 ceAbstractionStarter]: At program point L944-5(lines 1 999) the Hoare annotation is: false [2019-11-19 18:58:09,259 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:58:09,259 INFO L447 ceAbstractionStarter]: At program point L912(lines 893 915) the Hoare annotation is: true [2019-11-19 18:58:09,259 INFO L440 ceAbstractionStarter]: At program point L517(lines 517 523) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 (= 2 ~waterLevel~0) .cse3) (and (and .cse1 (and .cse2 .cse3)) (= 0 ~systemActive~0)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-11-19 18:58:09,259 INFO L440 ceAbstractionStarter]: At program point L517-1(lines 517 523) the Hoare annotation is: false [2019-11-19 18:58:09,259 INFO L444 ceAbstractionStarter]: For program point L451(lines 451 457) no Hoare annotation was computed. [2019-11-19 18:58:09,259 INFO L440 ceAbstractionStarter]: At program point L517-2(lines 517 523) the Hoare annotation is: false [2019-11-19 18:58:09,259 INFO L440 ceAbstractionStarter]: At program point L451-1(lines 451 457) the Hoare annotation is: (let ((.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (and (= ~pumpRunning~0 0) .cse2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse0 .cse3 .cse4) (and (and .cse3 .cse4) (= 0 ~systemActive~0))))) [2019-11-19 18:58:09,259 INFO L444 ceAbstractionStarter]: For program point L948(lines 948 958) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point L948-2(lines 948 958) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point L948-4(lines 948 958) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point L949(lines 949 955) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point L949-4(lines 949 955) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point L752(lines 752 756) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,260 INFO L444 ceAbstractionStarter]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2019-11-19 18:58:09,261 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:58:09,262 INFO L440 ceAbstractionStarter]: At program point L988(lines 1 999) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:58:09,262 INFO L440 ceAbstractionStarter]: At program point L923(lines 918 925) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 18:58:09,262 INFO L444 ceAbstractionStarter]: For program point L461(lines 461 476) no Hoare annotation was computed. [2019-11-19 18:58:09,262 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 18:58:09,262 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-19 18:58:09,262 INFO L440 ceAbstractionStarter]: At program point L693(lines 678 696) the Hoare annotation is: false [2019-11-19 18:58:09,262 INFO L440 ceAbstractionStarter]: At program point L693-1(lines 678 696) 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 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7)) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (<= ~waterLevel~0 2) .cse1 .cse2))) [2019-11-19 18:58:09,262 INFO L440 ceAbstractionStarter]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2019-11-19 18:58:09,263 INFO L440 ceAbstractionStarter]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2019-11-19 18:58:09,263 INFO L440 ceAbstractionStarter]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2019-11-19 18:58:09,263 INFO L440 ceAbstractionStarter]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2019-11-19 18:58:09,263 INFO L440 ceAbstractionStarter]: At program point L827-2(lines 827 841) the Hoare annotation is: false [2019-11-19 18:58:09,263 INFO L444 ceAbstractionStarter]: For program point L728(lines 728 732) no Hoare annotation was computed. [2019-11-19 18:58:09,263 INFO L440 ceAbstractionStarter]: At program point L629(lines 622 632) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:09,263 INFO L444 ceAbstractionStarter]: For program point L728-3(lines 728 732) no Hoare annotation was computed. [2019-11-19 18:58:09,263 INFO L440 ceAbstractionStarter]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2019-11-19 18:58:09,263 INFO L440 ceAbstractionStarter]: At program point L629-2(lines 622 632) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 18:58:09,264 INFO L440 ceAbstractionStarter]: At program point L629-3(lines 622 632) the Hoare annotation is: false [2019-11-19 18:58:09,264 INFO L444 ceAbstractionStarter]: For program point L728-6(lines 728 732) no Hoare annotation was computed. [2019-11-19 18:58:09,264 INFO L440 ceAbstractionStarter]: At program point L629-4(lines 622 632) the Hoare annotation is: false [2019-11-19 18:58:09,264 INFO L440 ceAbstractionStarter]: At program point L629-5(lines 622 632) the Hoare annotation is: false [2019-11-19 18:58:09,264 INFO L440 ceAbstractionStarter]: At program point L629-6(lines 622 632) the Hoare annotation is: false [2019-11-19 18:58:09,264 INFO L440 ceAbstractionStarter]: At program point L629-7(lines 622 632) the Hoare annotation is: false [2019-11-19 18:58:09,264 INFO L440 ceAbstractionStarter]: At program point L629-8(lines 622 632) the Hoare annotation is: false [2019-11-19 18:58:09,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:58:09 BoogieIcfgContainer [2019-11-19 18:58:09,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:58:09,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:58:09,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:58:09,313 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:58:09,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:02" (3/4) ... [2019-11-19 18:58:09,318 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 18:58:09,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 18:58:09,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 18:58:09,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-19 18:58:09,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 18:58:09,380 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 18:58:09,381 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 18:58:09,417 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0 && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && \result == 2) && 2 == waterLevel) && tmp == 2) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-19 18:58:09,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((1 == systemActive && waterLevel <= 2) && pumpRunning == 0 && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) [2019-11-19 18:58:09,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((1 == systemActive && waterLevel <= 2) && pumpRunning == 0 && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) [2019-11-19 18:58:09,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((1 == systemActive && waterLevel <= 2) && pumpRunning == 0 && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) [2019-11-19 18:58:09,423 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 1 <= \result) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 18:58:09,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) [2019-11-19 18:58:09,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-19 18:58:09,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-19 18:58:09,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && \result == 2) && 2 == waterLevel) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) [2019-11-19 18:58:09,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-19 18:58:09,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-19 18:58:09,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 18:58:09,438 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && waterLevel <= 2) && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-19 18:58:09,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == tmp) && 0 == \result) && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 18:58:09,567 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 18:58:09,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:58:09,569 INFO L168 Benchmark]: Toolchain (without parser) took 9180.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -42.1 MB). Peak memory consumption was 281.9 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,570 INFO L168 Benchmark]: CDTParser took 0.63 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. [2019-11-19 18:58:09,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.66 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,572 INFO L168 Benchmark]: Boogie Preprocessor took 66.06 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. [2019-11-19 18:58:09,572 INFO L168 Benchmark]: RCFGBuilder took 972.52 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: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,572 INFO L168 Benchmark]: TraceAbstraction took 7130.38 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.1 MB). Peak memory consumption was 300.9 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,573 INFO L168 Benchmark]: Witness Printer took 255.38 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:58:09,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 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 657.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.66 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.06 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 972.52 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: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7130.38 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.1 MB). Peak memory consumption was 300.9 MB. Max. memory is 11.5 GB. * Witness Printer took 255.38 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: 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: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && \result == 2) && 2 == waterLevel) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((1 == systemActive && waterLevel <= 2) && pumpRunning == 0 && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0 && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && \result == 2) && 2 == waterLevel) && tmp == 2) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((1 == systemActive && waterLevel <= 2) && pumpRunning == 0 && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == tmp) && 0 == \result) && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 1 <= \result) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && waterLevel <= 2) && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 == waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter)) || ((1 == systemActive && waterLevel <= 2) && pumpRunning == 0 && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 3 error locations. Result: SAFE, OverallTime: 6.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, HoareTripleCheckerStatistics: 1280 SDtfs, 1518 SDslu, 1775 SDs, 0 SdLazy, 282 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=317occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 844 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 191 NumberOfFragments, 831 HoareAnnotationTreeSize, 63 FomulaSimplifications, 126187 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 16613 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 447 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 435 ConstructedInterpolants, 0 QuantifiedInterpolants, 33479 SizeOfPredicates, 4 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 38/48 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...