./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer --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 9fc6dbbcfa33ba532c22e3e2a2682304ea7cf29d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:17:54,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:17:54,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:17:54,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:17:54,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:17:54,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:17:54,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:17:54,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:17:54,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:17:54,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:17:54,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:17:54,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:17:54,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:17:54,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:17:54,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:17:54,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:17:54,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:17:54,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:17:54,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:17:54,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:17:54,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:17:54,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:17:54,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:17:54,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:17:54,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:17:54,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:17:54,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:17:54,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:17:54,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:17:54,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:17:54,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:17:54,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:17:54,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:17:54,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:17:54,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:17:54,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:17:54,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:17:54,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:17:54,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:17:54,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:17:54,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:17:54,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 04:17:54,583 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:17:54,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:17:54,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:17:54,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:17:54,594 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:17:54,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:17:54,595 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:17:54,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:17:54,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:17:54,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:17:54,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:17:54,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:17:54,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:17:54,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:17:54,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:17:54,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:17:54,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:17:54,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:17:54,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:17:54,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:17:54,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:17:54,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:17:54,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:17:54,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:17:54,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:17:54,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:17:54,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:17:54,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:17:54,600 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer 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 -> 9fc6dbbcfa33ba532c22e3e2a2682304ea7cf29d [2019-11-20 04:17:54,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:17:54,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:17:54,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:17:54,778 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:17:54,778 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:17:54,779 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2019-11-20 04:17:54,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/data/dd2d1abb8/97623f783dd3463dae1319d71b15ae74/FLAG271d67914 [2019-11-20 04:17:55,285 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:17:55,286 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2019-11-20 04:17:55,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/data/dd2d1abb8/97623f783dd3463dae1319d71b15ae74/FLAG271d67914 [2019-11-20 04:17:55,654 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/data/dd2d1abb8/97623f783dd3463dae1319d71b15ae74 [2019-11-20 04:17:55,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:17:55,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:17:55,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:17:55,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:17:55,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:17:55,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:17:55" (1/1) ... [2019-11-20 04:17:55,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0d266d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:55, skipping insertion in model container [2019-11-20 04:17:55,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:17:55" (1/1) ... [2019-11-20 04:17:55,671 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:17:55,711 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:17:56,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:17:56,158 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:17:56,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:17:56,269 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:17:56,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56 WrapperNode [2019-11-20 04:17:56,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:17:56,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:17:56,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:17:56,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:17:56,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... [2019-11-20 04:17:56,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... [2019-11-20 04:17:56,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:17:56,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:17:56,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:17:56,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:17:56,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... [2019-11-20 04:17:56,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... [2019-11-20 04:17:56,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... [2019-11-20 04:17:56,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... [2019-11-20 04:17:56,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... [2019-11-20 04:17:56,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... [2019-11-20 04:17:56,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... [2019-11-20 04:17:56,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:17:56,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:17:56,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:17:56,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:17:56,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/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 [2019-11-20 04:17:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:17:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 04:17:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:17:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:17:57,153 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:17:57,153 INFO L285 CfgBuilder]: Removed 176 assume(true) statements. [2019-11-20 04:17:57,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:57 BoogieIcfgContainer [2019-11-20 04:17:57,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:17:57,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:17:57,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:17:57,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:17:57,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:17:55" (1/3) ... [2019-11-20 04:17:57,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103a2990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:17:57, skipping insertion in model container [2019-11-20 04:17:57,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:56" (2/3) ... [2019-11-20 04:17:57,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103a2990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:17:57, skipping insertion in model container [2019-11-20 04:17:57,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:57" (3/3) ... [2019-11-20 04:17:57,162 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2019-11-20 04:17:57,170 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:17:57,176 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 04:17:57,186 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 04:17:57,207 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:17:57,207 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:17:57,208 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:17:57,208 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:17:57,208 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:17:57,208 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:17:57,208 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:17:57,208 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:17:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-11-20 04:17:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 04:17:57,235 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:57,236 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:17:57,237 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:57,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:57,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1472110058, now seen corresponding path program 1 times [2019-11-20 04:17:57,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:57,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311668295] [2019-11-20 04:17:57,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:57,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311668295] [2019-11-20 04:17:57,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:57,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:17:57,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532181540] [2019-11-20 04:17:57,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 04:17:57,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:57,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 04:17:57,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:17:57,470 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2019-11-20 04:17:57,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:57,501 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2019-11-20 04:17:57,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 04:17:57,502 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-20 04:17:57,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:57,513 INFO L225 Difference]: With dead ends: 249 [2019-11-20 04:17:57,513 INFO L226 Difference]: Without dead ends: 124 [2019-11-20 04:17:57,516 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 [2019-11-20 04:17:57,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-20 04:17:57,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-11-20 04:17:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-20 04:17:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2019-11-20 04:17:57,559 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2019-11-20 04:17:57,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:57,559 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2019-11-20 04:17:57,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 04:17:57,560 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2019-11-20 04:17:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 04:17:57,561 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:57,561 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] [2019-11-20 04:17:57,561 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:57,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:57,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1016837685, now seen corresponding path program 1 times [2019-11-20 04:17:57,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:57,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039092615] [2019-11-20 04:17:57,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:57,654 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039092615] [2019-11-20 04:17:57,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:57,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:17:57,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065908773] [2019-11-20 04:17:57,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:17:57,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:57,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:17:57,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:17:57,656 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2019-11-20 04:17:57,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:57,668 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2019-11-20 04:17:57,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:17:57,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 04:17:57,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:57,670 INFO L225 Difference]: With dead ends: 124 [2019-11-20 04:17:57,670 INFO L226 Difference]: Without dead ends: 53 [2019-11-20 04:17:57,671 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 [2019-11-20 04:17:57,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-20 04:17:57,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-20 04:17:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-20 04:17:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-11-20 04:17:57,678 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2019-11-20 04:17:57,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:57,678 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-11-20 04:17:57,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:17:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-20 04:17:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 04:17:57,680 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:57,680 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] [2019-11-20 04:17:57,680 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:57,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:57,680 INFO L82 PathProgramCache]: Analyzing trace with hash 632373730, now seen corresponding path program 1 times [2019-11-20 04:17:57,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:57,681 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999175679] [2019-11-20 04:17:57,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:57,756 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999175679] [2019-11-20 04:17:57,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:57,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:17:57,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477223894] [2019-11-20 04:17:57,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:17:57,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:57,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:17:57,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:17:57,758 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-11-20 04:17:57,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:57,815 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2019-11-20 04:17:57,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:17:57,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 04:17:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:57,819 INFO L225 Difference]: With dead ends: 145 [2019-11-20 04:17:57,821 INFO L226 Difference]: Without dead ends: 99 [2019-11-20 04:17:57,821 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 [2019-11-20 04:17:57,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-20 04:17:57,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2019-11-20 04:17:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-20 04:17:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2019-11-20 04:17:57,834 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 26 [2019-11-20 04:17:57,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:57,839 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2019-11-20 04:17:57,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:17:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2019-11-20 04:17:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 04:17:57,841 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:57,841 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] [2019-11-20 04:17:57,842 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:57,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:57,842 INFO L82 PathProgramCache]: Analyzing trace with hash 505882496, now seen corresponding path program 1 times [2019-11-20 04:17:57,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:57,843 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328084463] [2019-11-20 04:17:57,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:57,973 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328084463] [2019-11-20 04:17:57,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:57,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:17:57,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854730968] [2019-11-20 04:17:57,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:17:57,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:57,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:17:57,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:17:57,974 INFO L87 Difference]: Start difference. First operand 95 states and 140 transitions. Second operand 3 states. [2019-11-20 04:17:58,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:58,014 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2019-11-20 04:17:58,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:17:58,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-20 04:17:58,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:58,017 INFO L225 Difference]: With dead ends: 230 [2019-11-20 04:17:58,017 INFO L226 Difference]: Without dead ends: 142 [2019-11-20 04:17:58,018 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 [2019-11-20 04:17:58,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-20 04:17:58,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2019-11-20 04:17:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-20 04:17:58,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 202 transitions. [2019-11-20 04:17:58,032 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 202 transitions. Word has length 28 [2019-11-20 04:17:58,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:58,032 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 202 transitions. [2019-11-20 04:17:58,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:17:58,032 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2019-11-20 04:17:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 04:17:58,034 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:58,034 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] [2019-11-20 04:17:58,034 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:58,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1201567211, now seen corresponding path program 1 times [2019-11-20 04:17:58,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:58,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240693087] [2019-11-20 04:17:58,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:58,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240693087] [2019-11-20 04:17:58,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:58,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:17:58,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575040362] [2019-11-20 04:17:58,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:17:58,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:58,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:17:58,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:17:58,103 INFO L87 Difference]: Start difference. First operand 140 states and 202 transitions. Second operand 5 states. [2019-11-20 04:17:58,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:58,259 INFO L93 Difference]: Finished difference Result 487 states and 703 transitions. [2019-11-20 04:17:58,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 04:17:58,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-20 04:17:58,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:58,264 INFO L225 Difference]: With dead ends: 487 [2019-11-20 04:17:58,264 INFO L226 Difference]: Without dead ends: 354 [2019-11-20 04:17:58,265 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 [2019-11-20 04:17:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-11-20 04:17:58,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 138. [2019-11-20 04:17:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-20 04:17:58,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions. [2019-11-20 04:17:58,299 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 29 [2019-11-20 04:17:58,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:58,299 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 196 transitions. [2019-11-20 04:17:58,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:17:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2019-11-20 04:17:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:17:58,306 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:58,307 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:17:58,307 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:58,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:58,307 INFO L82 PathProgramCache]: Analyzing trace with hash 113415631, now seen corresponding path program 1 times [2019-11-20 04:17:58,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:58,308 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582711022] [2019-11-20 04:17:58,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:58,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:58,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582711022] [2019-11-20 04:17:58,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:58,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 04:17:58,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496161634] [2019-11-20 04:17:58,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:17:58,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:58,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:17:58,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:17:58,414 INFO L87 Difference]: Start difference. First operand 138 states and 196 transitions. Second operand 5 states. [2019-11-20 04:17:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:58,488 INFO L93 Difference]: Finished difference Result 371 states and 521 transitions. [2019-11-20 04:17:58,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 04:17:58,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 04:17:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:58,491 INFO L225 Difference]: With dead ends: 371 [2019-11-20 04:17:58,491 INFO L226 Difference]: Without dead ends: 240 [2019-11-20 04:17:58,492 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 [2019-11-20 04:17:58,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-11-20 04:17:58,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 150. [2019-11-20 04:17:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-20 04:17:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 208 transitions. [2019-11-20 04:17:58,505 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 208 transitions. Word has length 34 [2019-11-20 04:17:58,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:58,505 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 208 transitions. [2019-11-20 04:17:58,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:17:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2019-11-20 04:17:58,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:17:58,510 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:58,511 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:17:58,514 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:58,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:58,515 INFO L82 PathProgramCache]: Analyzing trace with hash 814480209, now seen corresponding path program 1 times [2019-11-20 04:17:58,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:58,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706872716] [2019-11-20 04:17:58,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:58,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706872716] [2019-11-20 04:17:58,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:58,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:17:58,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854050740] [2019-11-20 04:17:58,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:17:58,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:58,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:17:58,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:17:58,591 INFO L87 Difference]: Start difference. First operand 150 states and 208 transitions. Second operand 4 states. [2019-11-20 04:17:58,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:58,649 INFO L93 Difference]: Finished difference Result 359 states and 494 transitions. [2019-11-20 04:17:58,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:17:58,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-20 04:17:58,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:58,652 INFO L225 Difference]: With dead ends: 359 [2019-11-20 04:17:58,652 INFO L226 Difference]: Without dead ends: 216 [2019-11-20 04:17:58,653 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:17:58,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-20 04:17:58,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 158. [2019-11-20 04:17:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-20 04:17:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 216 transitions. [2019-11-20 04:17:58,666 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 216 transitions. Word has length 34 [2019-11-20 04:17:58,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:58,666 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 216 transitions. [2019-11-20 04:17:58,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:17:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2019-11-20 04:17:58,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:17:58,667 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:58,667 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:17:58,668 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:58,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:58,668 INFO L82 PathProgramCache]: Analyzing trace with hash 227674195, now seen corresponding path program 1 times [2019-11-20 04:17:58,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:58,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501163325] [2019-11-20 04:17:58,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:58,717 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501163325] [2019-11-20 04:17:58,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:58,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:17:58,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759984909] [2019-11-20 04:17:58,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:17:58,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:58,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:17:58,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:17:58,719 INFO L87 Difference]: Start difference. First operand 158 states and 216 transitions. Second operand 3 states. [2019-11-20 04:17:58,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:58,789 INFO L93 Difference]: Finished difference Result 367 states and 500 transitions. [2019-11-20 04:17:58,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:17:58,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-20 04:17:58,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:58,791 INFO L225 Difference]: With dead ends: 367 [2019-11-20 04:17:58,791 INFO L226 Difference]: Without dead ends: 216 [2019-11-20 04:17:58,792 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:17:58,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-20 04:17:58,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2019-11-20 04:17:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-11-20 04:17:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2019-11-20 04:17:58,807 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 34 [2019-11-20 04:17:58,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:58,808 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2019-11-20 04:17:58,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:17:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2019-11-20 04:17:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 04:17:58,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:58,809 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] [2019-11-20 04:17:58,809 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:58,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:58,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1168271981, now seen corresponding path program 1 times [2019-11-20 04:17:58,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:58,810 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844219228] [2019-11-20 04:17:58,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:58,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844219228] [2019-11-20 04:17:58,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:58,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 04:17:58,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335953864] [2019-11-20 04:17:58,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 04:17:58,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:58,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 04:17:58,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 04:17:58,903 INFO L87 Difference]: Start difference. First operand 216 states and 287 transitions. Second operand 6 states. [2019-11-20 04:17:59,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:59,157 INFO L93 Difference]: Finished difference Result 837 states and 1133 transitions. [2019-11-20 04:17:59,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 04:17:59,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-20 04:17:59,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:59,162 INFO L225 Difference]: With dead ends: 837 [2019-11-20 04:17:59,162 INFO L226 Difference]: Without dead ends: 686 [2019-11-20 04:17:59,163 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 04:17:59,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-11-20 04:17:59,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 309. [2019-11-20 04:17:59,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-11-20 04:17:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 404 transitions. [2019-11-20 04:17:59,192 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 404 transitions. Word has length 35 [2019-11-20 04:17:59,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:59,193 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 404 transitions. [2019-11-20 04:17:59,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 04:17:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 404 transitions. [2019-11-20 04:17:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 04:17:59,194 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:59,194 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] [2019-11-20 04:17:59,195 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:59,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:59,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1550712527, now seen corresponding path program 1 times [2019-11-20 04:17:59,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:59,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324227971] [2019-11-20 04:17:59,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 04:17:59,237 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324227971] [2019-11-20 04:17:59,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:17:59,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:17:59,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619970539] [2019-11-20 04:17:59,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:17:59,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:59,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:17:59,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:17:59,238 INFO L87 Difference]: Start difference. First operand 309 states and 404 transitions. Second operand 3 states. [2019-11-20 04:17:59,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:59,298 INFO L93 Difference]: Finished difference Result 529 states and 691 transitions. [2019-11-20 04:17:59,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:17:59,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-20 04:17:59,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:59,300 INFO L225 Difference]: With dead ends: 529 [2019-11-20 04:17:59,300 INFO L226 Difference]: Without dead ends: 227 [2019-11-20 04:17:59,301 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 [2019-11-20 04:17:59,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-11-20 04:17:59,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2019-11-20 04:17:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-11-20 04:17:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 285 transitions. [2019-11-20 04:17:59,322 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 285 transitions. Word has length 55 [2019-11-20 04:17:59,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:59,322 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 285 transitions. [2019-11-20 04:17:59,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:17:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 285 transitions. [2019-11-20 04:17:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 04:17:59,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:17:59,324 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:17:59,324 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:17:59,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:17:59,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1462781310, now seen corresponding path program 1 times [2019-11-20 04:17:59,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:17:59,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991263317] [2019-11-20 04:17:59,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:17:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:59,386 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991263317] [2019-11-20 04:17:59,387 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398542906] [2019-11-20 04:17:59,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/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 [2019-11-20 04:17:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:17:59,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:17:59,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:17:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:17:59,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:17:59,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-20 04:17:59,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580432044] [2019-11-20 04:17:59,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 04:17:59,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:17:59,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 04:17:59,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 04:17:59,589 INFO L87 Difference]: Start difference. First operand 221 states and 285 transitions. Second operand 8 states. [2019-11-20 04:17:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:17:59,798 INFO L93 Difference]: Finished difference Result 437 states and 577 transitions. [2019-11-20 04:17:59,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 04:17:59,799 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-11-20 04:17:59,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:17:59,799 INFO L225 Difference]: With dead ends: 437 [2019-11-20 04:17:59,799 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 04:17:59,800 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-20 04:17:59,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 04:17:59,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 04:17:59,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 04:17:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 04:17:59,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-20 04:17:59,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:17:59,801 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:17:59,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 04:17:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:17:59,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:18:00,002 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:18:00,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 04:18:00,942 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2019-11-20 04:18:01,331 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-20 04:18:01,494 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 27 [2019-11-20 04:18:01,611 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 9 [2019-11-20 04:18:01,799 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2019-11-20 04:18:02,036 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 33 [2019-11-20 04:18:02,341 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-20 04:18:02,564 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2019-11-20 04:18:02,835 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2019-11-20 04:18:02,995 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2019-11-20 04:18:02,998 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 812) no Hoare annotation was computed. [2019-11-20 04:18:02,999 INFO L444 ceAbstractionStarter]: For program point L795-1(lines 795 812) no Hoare annotation was computed. [2019-11-20 04:18:02,999 INFO L444 ceAbstractionStarter]: For program point L795-2(lines 795 812) no Hoare annotation was computed. [2019-11-20 04:18:02,999 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-11-20 04:18:02,999 INFO L444 ceAbstractionStarter]: For program point L795-3(lines 795 812) no Hoare annotation was computed. [2019-11-20 04:18:02,999 INFO L444 ceAbstractionStarter]: For program point L795-4(lines 795 812) no Hoare annotation was computed. [2019-11-20 04:18:02,999 INFO L444 ceAbstractionStarter]: For program point L795-5(lines 795 812) no Hoare annotation was computed. [2019-11-20 04:18:02,999 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-11-20 04:18:02,999 INFO L447 ceAbstractionStarter]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-11-20 04:18:02,999 INFO L440 ceAbstractionStarter]: At program point L763(lines 759 781) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse3) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1)) (and (and (and .cse2 .cse3) .cse1) (= 0 ~systemActive~0)))) [2019-11-20 04:18:03,000 INFO L444 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L763-1(lines 759 781) the Hoare annotation is: false [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L730-1(lines 1 1009) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3) (and .cse1 (and .cse0 .cse4 .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse0 .cse1 .cse2)) (and (and (and .cse4 .cse2) .cse1) (= 0 ~systemActive~0)))) [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L763-2(lines 759 781) the Hoare annotation is: false [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L929(lines 914 932) the Hoare annotation is: false [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L929-1(lines 914 932) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse2 .cse3) .cse1))) [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L929-2(lines 914 932) the Hoare annotation is: false [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L929-3(lines 914 932) the Hoare annotation is: false [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L929-4(lines 914 932) the Hoare annotation is: false [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L929-5(lines 914 932) the Hoare annotation is: false [2019-11-20 04:18:03,000 INFO L440 ceAbstractionStarter]: At program point L665(lines 656 669) the Hoare annotation is: false [2019-11-20 04:18:03,001 INFO L440 ceAbstractionStarter]: At program point L665-1(lines 656 669) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-11-20 04:18:03,001 INFO L440 ceAbstractionStarter]: At program point L665-2(lines 656 669) the Hoare annotation is: false [2019-11-20 04:18:03,001 INFO L440 ceAbstractionStarter]: At program point L665-3(lines 656 669) the Hoare annotation is: false [2019-11-20 04:18:03,001 INFO L440 ceAbstractionStarter]: At program point L665-4(lines 656 669) the Hoare annotation is: false [2019-11-20 04:18:03,001 INFO L440 ceAbstractionStarter]: At program point L665-5(lines 656 669) the Hoare annotation is: false [2019-11-20 04:18:03,001 INFO L444 ceAbstractionStarter]: For program point L799(lines 799 807) no Hoare annotation was computed. [2019-11-20 04:18:03,001 INFO L444 ceAbstractionStarter]: For program point L799-1(lines 799 807) no Hoare annotation was computed. [2019-11-20 04:18:03,001 INFO L444 ceAbstractionStarter]: For program point L799-2(lines 799 807) no Hoare annotation was computed. [2019-11-20 04:18:03,001 INFO L444 ceAbstractionStarter]: For program point L799-3(lines 799 807) no Hoare annotation was computed. [2019-11-20 04:18:03,001 INFO L444 ceAbstractionStarter]: For program point L799-4(lines 799 807) no Hoare annotation was computed. [2019-11-20 04:18:03,002 INFO L444 ceAbstractionStarter]: For program point L799-5(lines 799 807) no Hoare annotation was computed. [2019-11-20 04:18:03,002 INFO L440 ceAbstractionStarter]: At program point L469(lines 465 471) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:18:03,002 INFO L440 ceAbstractionStarter]: At program point L998(lines 1 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:18:03,002 INFO L444 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2019-11-20 04:18:03,002 INFO L440 ceAbstractionStarter]: At program point L702-1(lines 702 708) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (and .cse1 .cse2)) (= 0 ~systemActive~0)) (and (and .cse3 (<= 2 ~waterLevel~0) .cse0 .cse2) .cse4) (and .cse0 (and .cse3 .cse1 .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse3 .cse0 .cse2)))) [2019-11-20 04:18:03,002 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-11-20 04:18:03,002 INFO L440 ceAbstractionStarter]: At program point L770(lines 770 776) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 1))) (or (and (and (and .cse0 .cse1) .cse2) (= 0 ~systemActive~0)) (and .cse3 .cse2 .cse0 .cse1) (and (and .cse3 (<= 2 ~waterLevel~0) .cse2 .cse1) .cse4) (and (= 1 ~switchedOnBeforeTS~0) (and .cse3 .cse2 .cse1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2019-11-20 04:18:03,002 INFO L440 ceAbstractionStarter]: At program point L770-1(lines 770 776) the Hoare annotation is: false [2019-11-20 04:18:03,003 INFO L440 ceAbstractionStarter]: At program point L770-2(lines 770 776) the Hoare annotation is: false [2019-11-20 04:18:03,003 INFO L440 ceAbstractionStarter]: At program point L539(lines 763 769) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and (and .cse2 .cse3 .cse4) .cse0 (= 0 ~systemActive~0)) (and (= 1 ~switchedOnBeforeTS~0) (and .cse1 .cse0 .cse4) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2019-11-20 04:18:03,003 INFO L440 ceAbstractionStarter]: At program point L539-1(lines 763 769) the Hoare annotation is: false [2019-11-20 04:18:03,003 INFO L440 ceAbstractionStarter]: At program point L539-2(lines 763 769) the Hoare annotation is: false [2019-11-20 04:18:03,003 INFO L447 ceAbstractionStarter]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-11-20 04:18:03,003 INFO L444 ceAbstractionStarter]: For program point L607(lines 607 611) no Hoare annotation was computed. [2019-11-20 04:18:03,003 INFO L440 ceAbstractionStarter]: At program point L675(lines 670 678) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 04:18:03,003 INFO L440 ceAbstractionStarter]: At program point L675-1(lines 670 678) the Hoare annotation is: false [2019-11-20 04:18:03,004 INFO L440 ceAbstractionStarter]: At program point L675-2(lines 670 678) the Hoare annotation is: false [2019-11-20 04:18:03,004 INFO L440 ceAbstractionStarter]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:18:03,004 INFO L440 ceAbstractionStarter]: At program point L874(lines 869 877) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse1 (and .cse0 .cse5 .cse6 .cse2)) (and (and .cse5 .cse6 .cse2) .cse1 (= 0 ~systemActive~0)) (and .cse3 .cse4 (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2)))) [2019-11-20 04:18:03,004 INFO L440 ceAbstractionStarter]: At program point L874-1(lines 869 877) 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 .cse0 .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse4 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2019-11-20 04:18:03,004 INFO L440 ceAbstractionStarter]: At program point L874-2(lines 869 877) the Hoare annotation is: false [2019-11-20 04:18:03,004 INFO L440 ceAbstractionStarter]: At program point L874-3(lines 869 877) the Hoare annotation is: false [2019-11-20 04:18:03,004 INFO L440 ceAbstractionStarter]: At program point L742(lines 691 743) the Hoare annotation is: false [2019-11-20 04:18:03,004 INFO L440 ceAbstractionStarter]: At program point L874-4(lines 869 877) the Hoare annotation is: false [2019-11-20 04:18:03,005 INFO L440 ceAbstractionStarter]: At program point L874-5(lines 869 877) the Hoare annotation is: false [2019-11-20 04:18:03,005 INFO L444 ceAbstractionStarter]: For program point L942(lines 942 946) no Hoare annotation was computed. [2019-11-20 04:18:03,005 INFO L444 ceAbstractionStarter]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2019-11-20 04:18:03,005 INFO L444 ceAbstractionStarter]: For program point L942-3(lines 942 946) no Hoare annotation was computed. [2019-11-20 04:18:03,005 INFO L444 ceAbstractionStarter]: For program point L942-5(lines 942 946) no Hoare annotation was computed. [2019-11-20 04:18:03,005 INFO L444 ceAbstractionStarter]: For program point L942-6(lines 942 946) no Hoare annotation was computed. [2019-11-20 04:18:03,005 INFO L444 ceAbstractionStarter]: For program point L942-8(lines 942 946) no Hoare annotation was computed. [2019-11-20 04:18:03,005 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-11-20 04:18:03,005 INFO L440 ceAbstractionStarter]: At program point L712-1(lines 712 718) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (and .cse1 .cse2)) (= 0 ~systemActive~0)) (and (and .cse3 (<= 2 ~waterLevel~0) .cse0 .cse2) .cse4) (and .cse0 (and .cse3 .cse1 .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse3 .cse0 .cse2)))) [2019-11-20 04:18:03,006 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 04:18:03,006 INFO L444 ceAbstractionStarter]: For program point L516(line 516) no Hoare annotation was computed. [2019-11-20 04:18:03,006 INFO L444 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-11-20 04:18:03,006 INFO L444 ceAbstractionStarter]: For program point L516-2(line 516) no Hoare annotation was computed. [2019-11-20 04:18:03,006 INFO L444 ceAbstractionStarter]: For program point L583(lines 583 587) no Hoare annotation was computed. [2019-11-20 04:18:03,006 INFO L444 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2019-11-20 04:18:03,006 INFO L440 ceAbstractionStarter]: At program point L550-1(lines 1 1009) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 .cse2 .cse3)) (and (and .cse0 (and .cse2 .cse3)) (= 0 ~systemActive~0)) (and (= 1 ~switchedOnBeforeTS~0) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse0 .cse3)) (and .cse1 (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4) .cse0 .cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2019-11-20 04:18:03,006 INFO L444 ceAbstractionStarter]: For program point L583-3(lines 583 587) no Hoare annotation was computed. [2019-11-20 04:18:03,007 INFO L444 ceAbstractionStarter]: For program point L550-2(lines 550 567) no Hoare annotation was computed. [2019-11-20 04:18:03,007 INFO L440 ceAbstractionStarter]: At program point L550-3(lines 1 1009) the Hoare annotation is: false [2019-11-20 04:18:03,007 INFO L444 ceAbstractionStarter]: For program point L550-4(lines 550 567) no Hoare annotation was computed. [2019-11-20 04:18:03,007 INFO L444 ceAbstractionStarter]: For program point L583-6(lines 583 587) no Hoare annotation was computed. [2019-11-20 04:18:03,007 INFO L440 ceAbstractionStarter]: At program point L550-5(lines 1 1009) the Hoare annotation is: false [2019-11-20 04:18:03,007 INFO L440 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-11-20 04:18:03,007 INFO L444 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-20 04:18:03,007 INFO L440 ceAbstractionStarter]: At program point L948(lines 933 951) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 04:18:03,007 INFO L440 ceAbstractionStarter]: At program point L948-1(lines 933 951) the Hoare annotation is: false [2019-11-20 04:18:03,007 INFO L440 ceAbstractionStarter]: At program point L948-2(lines 933 951) the Hoare annotation is: false [2019-11-20 04:18:03,008 INFO L440 ceAbstractionStarter]: At program point L652(lines 647 655) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and .cse2 .cse3) (= 0 ~systemActive~0)))) [2019-11-20 04:18:03,008 INFO L440 ceAbstractionStarter]: At program point L652-1(lines 647 655) the Hoare annotation is: false [2019-11-20 04:18:03,008 INFO L440 ceAbstractionStarter]: At program point L652-2(lines 647 655) the Hoare annotation is: false [2019-11-20 04:18:03,008 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 04:18:03,008 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 564) no Hoare annotation was computed. [2019-11-20 04:18:03,008 INFO L444 ceAbstractionStarter]: For program point L554-2(lines 554 564) no Hoare annotation was computed. [2019-11-20 04:18:03,008 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-11-20 04:18:03,008 INFO L444 ceAbstractionStarter]: For program point L554-4(lines 554 564) no Hoare annotation was computed. [2019-11-20 04:18:03,008 INFO L444 ceAbstractionStarter]: For program point L422-1(lines 422 426) no Hoare annotation was computed. [2019-11-20 04:18:03,008 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 561) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point L555-2(lines 555 561) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point L555-4(lines 555 561) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point L821(lines 821 838) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point L821-1(lines 821 838) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point L821-2(lines 821 838) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point L722(lines 722 737) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L440 ceAbstractionStarter]: At program point L956-1(lines 956 962) the Hoare annotation is: (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,009 INFO L444 ceAbstractionStarter]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-3(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-5(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-6(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-8(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-9(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-11(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-12(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-14(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-15(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L923-17(lines 923 927) no Hoare annotation was computed. [2019-11-20 04:18:03,010 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 833) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L825-1(lines 825 833) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L825-2(lines 825 833) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L693(lines 692 741) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L660-2(lines 660 666) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L660-3(lines 660 666) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L660-4(lines 660 666) no Hoare annotation was computed. [2019-11-20 04:18:03,011 INFO L444 ceAbstractionStarter]: For program point L660-5(lines 660 666) no Hoare annotation was computed. [2019-11-20 04:18:03,012 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2019-11-20 04:18:03,012 INFO L444 ceAbstractionStarter]: For program point L595(lines 595 599) no Hoare annotation was computed. [2019-11-20 04:18:03,012 INFO L440 ceAbstractionStarter]: At program point L529(lines 524 531) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:18:03,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:18:03 BoogieIcfgContainer [2019-11-20 04:18:03,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:18:03,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:18:03,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:18:03,039 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:18:03,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:57" (3/4) ... [2019-11-20 04:18:03,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:18:03,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 04:18:03,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 04:18:03,062 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 04:18:03,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 04:18:03,064 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:18:03,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 04:18:03,090 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && 1 < tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && tmp <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-20 04:18:03,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 04:18:03,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 04:18:03,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) [2019-11-20 04:18:03,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || ((pumpRunning == 1 && \result == 1) && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 04:18:03,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) [2019-11-20 04:18:03,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) [2019-11-20 04:18:03,093 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) || (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) [2019-11-20 04:18:03,094 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) [2019-11-20 04:18:03,094 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-20 04:18:03,095 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 04:18:03,095 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 04:18:03,095 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-20 04:18:03,096 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 04:18:03,164 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_999c2d42-6e33-4f3a-aa94-7f27e699c732/bin/uautomizer/witness.graphml [2019-11-20 04:18:03,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:18:03,166 INFO L168 Benchmark]: Toolchain (without parser) took 7508.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -132.6 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:18:03,166 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:18:03,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:18:03,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:18:03,167 INFO L168 Benchmark]: Boogie Preprocessor took 58.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:18:03,167 INFO L168 Benchmark]: RCFGBuilder took 765.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-11-20 04:18:03,168 INFO L168 Benchmark]: TraceAbstraction took 5883.15 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -70.5 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:18:03,168 INFO L168 Benchmark]: Witness Printer took 125.60 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:18:03,170 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 611.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 765.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5883.15 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -70.5 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. * Witness Printer took 125.60 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 516]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 516]: 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: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || ((pumpRunning == 1 && \result == 1) && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive)) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && 1 < tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && tmp <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) || (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: ((((waterLevel <= 2 && pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1)) || (((pumpRunning == 0 && 0 == splverifierCounter) && waterLevel <= 2) && 0 == systemActive) - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 3 error locations. Result: SAFE, OverallTime: 5.8s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, HoareTripleCheckerStatistics: 1199 SDtfs, 1190 SDslu, 1491 SDs, 0 SdLazy, 264 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 753 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 174 NumberOfFragments, 837 HoareAnnotationTreeSize, 51 FomulaSimplifications, 56439 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 10279 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 430 NumberOfCodeBlocks, 430 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 418 ConstructedInterpolants, 0 QuantifiedInterpolants, 30612 SizeOfPredicates, 4 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 42/48 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...