./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/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 0.1.25-f470102 [2019-12-07 10:20:36,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:20:36,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:20:36,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:20:36,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:20:36,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:20:36,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:20:36,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:20:36,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:20:36,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:20:36,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:20:36,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:20:36,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:20:36,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:20:36,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:20:36,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:20:36,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:20:36,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:20:36,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:20:36,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:20:36,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:20:36,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:20:36,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:20:36,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:20:36,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:20:36,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:20:36,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:20:36,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:20:36,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:20:36,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:20:36,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:20:36,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:20:36,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:20:36,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:20:36,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:20:36,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:20:36,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:20:36,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:20:36,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:20:36,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:20:36,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:20:36,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:20:36,461 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:20:36,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:20:36,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:20:36,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:20:36,462 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:20:36,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:20:36,462 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:20:36,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:20:36,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:20:36,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:20:36,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:20:36,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:20:36,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:20:36,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:20:36,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:20:36,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:20:36,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:20:36,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:20:36,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:20:36,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:20:36,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:20:36,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:20:36,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:20:36,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:20:36,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:20:36,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:20:36,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:20:36,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:20:36,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:20:36,465 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_0e074018-23cd-45ec-9ef9-8acb471479e2/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 [2019-12-07 10:20:36,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:20:36,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:20:36,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:20:36,576 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:20:36,576 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:20:36,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2019-12-07 10:20:36,613 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/data/dcd4c22f2/80d3af173f46496a86c30453ae40f54e/FLAGe800dad23 [2019-12-07 10:20:37,079 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:20:37,080 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2019-12-07 10:20:37,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/data/dcd4c22f2/80d3af173f46496a86c30453ae40f54e/FLAGe800dad23 [2019-12-07 10:20:37,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/data/dcd4c22f2/80d3af173f46496a86c30453ae40f54e [2019-12-07 10:20:37,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:20:37,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:20:37,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:37,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:20:37,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:20:37,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155c7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37, skipping insertion in model container [2019-12-07 10:20:37,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:20:37,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:20:37,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:37,713 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:20:37,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:37,785 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:20:37,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37 WrapperNode [2019-12-07 10:20:37,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:37,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:20:37,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:20:37,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:20:37,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:20:37,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:20:37,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:20:37,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:20:37,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... [2019-12-07 10:20:37,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:20:37,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:20:37,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:20:37,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:20:37,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/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 [2019-12-07 10:20:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:20:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 10:20:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:20:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:20:38,368 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:20:38,369 INFO L287 CfgBuilder]: Removed 176 assume(true) statements. [2019-12-07 10:20:38,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:38 BoogieIcfgContainer [2019-12-07 10:20:38,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:20:38,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:20:38,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:20:38,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:20:38,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:20:37" (1/3) ... [2019-12-07 10:20:38,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8a0d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:20:38, skipping insertion in model container [2019-12-07 10:20:38,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:37" (2/3) ... [2019-12-07 10:20:38,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8a0d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:20:38, skipping insertion in model container [2019-12-07 10:20:38,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:38" (3/3) ... [2019-12-07 10:20:38,376 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2019-12-07 10:20:38,385 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:20:38,391 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:20:38,401 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:20:38,417 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:20:38,418 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:20:38,418 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:20:38,418 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:20:38,418 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:20:38,418 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:20:38,418 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:20:38,418 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:20:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-12-07 10:20:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 10:20:38,435 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:38,436 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:38,436 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:38,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:38,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1472110058, now seen corresponding path program 1 times [2019-12-07 10:20:38,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:38,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747369391] [2019-12-07 10:20:38,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:38,597 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747369391] [2019-12-07 10:20:38,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:38,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:20:38,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547864237] [2019-12-07 10:20:38,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:20:38,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:38,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:20:38,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:20:38,611 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2019-12-07 10:20:38,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:38,633 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2019-12-07 10:20:38,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:20:38,634 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 10:20:38,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:38,642 INFO L225 Difference]: With dead ends: 249 [2019-12-07 10:20:38,642 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 10:20:38,644 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 [2019-12-07 10:20:38,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 10:20:38,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-12-07 10:20:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-12-07 10:20:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2019-12-07 10:20:38,674 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2019-12-07 10:20:38,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:38,675 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2019-12-07 10:20:38,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:20:38,675 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2019-12-07 10:20:38,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 10:20:38,676 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:38,676 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] [2019-12-07 10:20:38,676 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:38,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:38,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1016837685, now seen corresponding path program 1 times [2019-12-07 10:20:38,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:38,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671796478] [2019-12-07 10:20:38,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:38,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671796478] [2019-12-07 10:20:38,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:38,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:20:38,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911310914] [2019-12-07 10:20:38,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:38,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:38,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:38,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:38,739 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2019-12-07 10:20:38,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:38,748 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2019-12-07 10:20:38,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:38,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-07 10:20:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:38,750 INFO L225 Difference]: With dead ends: 124 [2019-12-07 10:20:38,750 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 10:20:38,750 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 [2019-12-07 10:20:38,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 10:20:38,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 10:20:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 10:20:38,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-12-07 10:20:38,755 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2019-12-07 10:20:38,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:38,755 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-12-07 10:20:38,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-12-07 10:20:38,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 10:20:38,756 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:38,756 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] [2019-12-07 10:20:38,756 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:38,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:38,756 INFO L82 PathProgramCache]: Analyzing trace with hash 632373730, now seen corresponding path program 1 times [2019-12-07 10:20:38,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:38,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029483960] [2019-12-07 10:20:38,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:38,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029483960] [2019-12-07 10:20:38,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:38,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:20:38,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476104355] [2019-12-07 10:20:38,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:38,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:38,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:38,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:38,815 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-12-07 10:20:38,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:38,841 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2019-12-07 10:20:38,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:38,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 10:20:38,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:38,843 INFO L225 Difference]: With dead ends: 145 [2019-12-07 10:20:38,843 INFO L226 Difference]: Without dead ends: 99 [2019-12-07 10:20:38,843 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 [2019-12-07 10:20:38,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-12-07 10:20:38,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2019-12-07 10:20:38,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 10:20:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2019-12-07 10:20:38,852 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 26 [2019-12-07 10:20:38,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:38,852 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2019-12-07 10:20:38,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2019-12-07 10:20:38,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 10:20:38,853 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:38,853 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] [2019-12-07 10:20:38,853 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:38,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:38,854 INFO L82 PathProgramCache]: Analyzing trace with hash 505882496, now seen corresponding path program 1 times [2019-12-07 10:20:38,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:38,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187041818] [2019-12-07 10:20:38,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:38,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187041818] [2019-12-07 10:20:38,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:38,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:20:38,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771477298] [2019-12-07 10:20:38,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:38,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:38,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:38,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:38,890 INFO L87 Difference]: Start difference. First operand 95 states and 140 transitions. Second operand 3 states. [2019-12-07 10:20:38,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:38,921 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2019-12-07 10:20:38,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:38,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 10:20:38,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:38,923 INFO L225 Difference]: With dead ends: 230 [2019-12-07 10:20:38,923 INFO L226 Difference]: Without dead ends: 142 [2019-12-07 10:20:38,924 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 [2019-12-07 10:20:38,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-12-07 10:20:38,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2019-12-07 10:20:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 10:20:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 202 transitions. [2019-12-07 10:20:38,933 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 202 transitions. Word has length 28 [2019-12-07 10:20:38,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:38,933 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 202 transitions. [2019-12-07 10:20:38,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2019-12-07 10:20:38,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 10:20:38,934 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:38,934 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] [2019-12-07 10:20:38,934 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:38,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:38,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1201567211, now seen corresponding path program 1 times [2019-12-07 10:20:38,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:38,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081494304] [2019-12-07 10:20:38,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:38,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081494304] [2019-12-07 10:20:38,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:38,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:20:38,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602920399] [2019-12-07 10:20:38,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:20:38,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:38,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:20:38,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:20:38,976 INFO L87 Difference]: Start difference. First operand 140 states and 202 transitions. Second operand 5 states. [2019-12-07 10:20:39,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:39,072 INFO L93 Difference]: Finished difference Result 487 states and 703 transitions. [2019-12-07 10:20:39,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:20:39,072 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 10:20:39,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:39,075 INFO L225 Difference]: With dead ends: 487 [2019-12-07 10:20:39,075 INFO L226 Difference]: Without dead ends: 354 [2019-12-07 10:20:39,076 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 [2019-12-07 10:20:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-12-07 10:20:39,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 138. [2019-12-07 10:20:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-12-07 10:20:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions. [2019-12-07 10:20:39,094 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 29 [2019-12-07 10:20:39,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:39,095 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 196 transitions. [2019-12-07 10:20:39,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:20:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2019-12-07 10:20:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:20:39,096 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,096 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] [2019-12-07 10:20:39,097 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,097 INFO L82 PathProgramCache]: Analyzing trace with hash 113415631, now seen corresponding path program 1 times [2019-12-07 10:20:39,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:39,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763084892] [2019-12-07 10:20:39,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763084892] [2019-12-07 10:20:39,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:39,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 10:20:39,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897463707] [2019-12-07 10:20:39,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:20:39,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:39,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:20:39,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:20:39,147 INFO L87 Difference]: Start difference. First operand 138 states and 196 transitions. Second operand 5 states. [2019-12-07 10:20:39,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:39,199 INFO L93 Difference]: Finished difference Result 371 states and 521 transitions. [2019-12-07 10:20:39,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:20:39,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 10:20:39,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:39,201 INFO L225 Difference]: With dead ends: 371 [2019-12-07 10:20:39,201 INFO L226 Difference]: Without dead ends: 240 [2019-12-07 10:20:39,201 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 [2019-12-07 10:20:39,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-12-07 10:20:39,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 150. [2019-12-07 10:20:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-12-07 10:20:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 208 transitions. [2019-12-07 10:20:39,212 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 208 transitions. Word has length 34 [2019-12-07 10:20:39,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:39,212 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 208 transitions. [2019-12-07 10:20:39,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:20:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2019-12-07 10:20:39,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:20:39,213 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,213 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] [2019-12-07 10:20:39,213 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,214 INFO L82 PathProgramCache]: Analyzing trace with hash 814480209, now seen corresponding path program 1 times [2019-12-07 10:20:39,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:39,214 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821707786] [2019-12-07 10:20:39,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821707786] [2019-12-07 10:20:39,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:39,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:20:39,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329351295] [2019-12-07 10:20:39,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:20:39,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:39,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:20:39,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:20:39,246 INFO L87 Difference]: Start difference. First operand 150 states and 208 transitions. Second operand 4 states. [2019-12-07 10:20:39,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:39,280 INFO L93 Difference]: Finished difference Result 359 states and 494 transitions. [2019-12-07 10:20:39,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:20:39,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 10:20:39,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:39,282 INFO L225 Difference]: With dead ends: 359 [2019-12-07 10:20:39,282 INFO L226 Difference]: Without dead ends: 216 [2019-12-07 10:20:39,282 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 [2019-12-07 10:20:39,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-12-07 10:20:39,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 158. [2019-12-07 10:20:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 10:20:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 216 transitions. [2019-12-07 10:20:39,292 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 216 transitions. Word has length 34 [2019-12-07 10:20:39,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:39,293 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 216 transitions. [2019-12-07 10:20:39,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:20:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2019-12-07 10:20:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:20:39,294 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,294 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] [2019-12-07 10:20:39,295 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,295 INFO L82 PathProgramCache]: Analyzing trace with hash 227674195, now seen corresponding path program 1 times [2019-12-07 10:20:39,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:39,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330024012] [2019-12-07 10:20:39,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330024012] [2019-12-07 10:20:39,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:39,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:20:39,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112929931] [2019-12-07 10:20:39,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:39,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:39,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:39,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:39,330 INFO L87 Difference]: Start difference. First operand 158 states and 216 transitions. Second operand 3 states. [2019-12-07 10:20:39,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:39,359 INFO L93 Difference]: Finished difference Result 367 states and 500 transitions. [2019-12-07 10:20:39,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:39,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 10:20:39,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:39,360 INFO L225 Difference]: With dead ends: 367 [2019-12-07 10:20:39,361 INFO L226 Difference]: Without dead ends: 216 [2019-12-07 10:20:39,361 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 [2019-12-07 10:20:39,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-12-07 10:20:39,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2019-12-07 10:20:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 10:20:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2019-12-07 10:20:39,388 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 34 [2019-12-07 10:20:39,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:39,388 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2019-12-07 10:20:39,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2019-12-07 10:20:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 10:20:39,389 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,389 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] [2019-12-07 10:20:39,389 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1168271981, now seen corresponding path program 1 times [2019-12-07 10:20:39,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:39,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293895853] [2019-12-07 10:20:39,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,445 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293895853] [2019-12-07 10:20:39,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:39,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 10:20:39,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986595639] [2019-12-07 10:20:39,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:20:39,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:39,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:20:39,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:20:39,446 INFO L87 Difference]: Start difference. First operand 216 states and 287 transitions. Second operand 6 states. [2019-12-07 10:20:39,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:39,612 INFO L93 Difference]: Finished difference Result 837 states and 1133 transitions. [2019-12-07 10:20:39,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:20:39,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-12-07 10:20:39,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:39,615 INFO L225 Difference]: With dead ends: 837 [2019-12-07 10:20:39,615 INFO L226 Difference]: Without dead ends: 686 [2019-12-07 10:20:39,616 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-12-07 10:20:39,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-12-07 10:20:39,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 309. [2019-12-07 10:20:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-12-07 10:20:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 404 transitions. [2019-12-07 10:20:39,633 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 404 transitions. Word has length 35 [2019-12-07 10:20:39,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:39,633 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 404 transitions. [2019-12-07 10:20:39,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:20:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 404 transitions. [2019-12-07 10:20:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 10:20:39,634 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,634 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] [2019-12-07 10:20:39,634 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1550712527, now seen corresponding path program 1 times [2019-12-07 10:20:39,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:39,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343673526] [2019-12-07 10:20:39,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 10:20:39,660 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343673526] [2019-12-07 10:20:39,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:39,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:20:39,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294091594] [2019-12-07 10:20:39,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:39,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:39,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:39,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:39,662 INFO L87 Difference]: Start difference. First operand 309 states and 404 transitions. Second operand 3 states. [2019-12-07 10:20:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:39,708 INFO L93 Difference]: Finished difference Result 529 states and 691 transitions. [2019-12-07 10:20:39,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:39,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-12-07 10:20:39,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:39,709 INFO L225 Difference]: With dead ends: 529 [2019-12-07 10:20:39,709 INFO L226 Difference]: Without dead ends: 227 [2019-12-07 10:20:39,710 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 [2019-12-07 10:20:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-12-07 10:20:39,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2019-12-07 10:20:39,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-12-07 10:20:39,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 285 transitions. [2019-12-07 10:20:39,721 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 285 transitions. Word has length 55 [2019-12-07 10:20:39,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:39,721 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 285 transitions. [2019-12-07 10:20:39,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 285 transitions. [2019-12-07 10:20:39,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 10:20:39,722 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,722 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] [2019-12-07 10:20:39,723 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1462781310, now seen corresponding path program 1 times [2019-12-07 10:20:39,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:20:39,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127817033] [2019-12-07 10:20:39,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127817033] [2019-12-07 10:20:39,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474879176] [2019-12-07 10:20:39,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/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 [2019-12-07 10:20:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,861 INFO L264 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:20:39,866 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:20:39,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-12-07 10:20:39,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243928818] [2019-12-07 10:20:39,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:20:39,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:20:39,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:20:39,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:20:39,899 INFO L87 Difference]: Start difference. First operand 221 states and 285 transitions. Second operand 8 states. [2019-12-07 10:20:40,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:40,068 INFO L93 Difference]: Finished difference Result 437 states and 577 transitions. [2019-12-07 10:20:40,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 10:20:40,068 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2019-12-07 10:20:40,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:40,069 INFO L225 Difference]: With dead ends: 437 [2019-12-07 10:20:40,069 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:20:40,069 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 [2019-12-07 10:20:40,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:20:40,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:20:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:20:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:20:40,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-12-07 10:20:40,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:40,070 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:20:40,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:20:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:20:40,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:20:40,271 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:20:40,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:20:40,896 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2019-12-07 10:20:41,149 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-12-07 10:20:41,521 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 33 [2019-12-07 10:20:41,703 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-12-07 10:20:41,862 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2019-12-07 10:20:42,026 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2019-12-07 10:20:42,110 INFO L246 CegarLoopResult]: For program point L795(lines 795 812) no Hoare annotation was computed. [2019-12-07 10:20:42,110 INFO L246 CegarLoopResult]: For program point L795-1(lines 795 812) no Hoare annotation was computed. [2019-12-07 10:20:42,111 INFO L246 CegarLoopResult]: For program point L795-2(lines 795 812) no Hoare annotation was computed. [2019-12-07 10:20:42,111 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-12-07 10:20:42,111 INFO L246 CegarLoopResult]: For program point L795-3(lines 795 812) no Hoare annotation was computed. [2019-12-07 10:20:42,111 INFO L246 CegarLoopResult]: For program point L795-4(lines 795 812) no Hoare annotation was computed. [2019-12-07 10:20:42,111 INFO L246 CegarLoopResult]: For program point L795-5(lines 795 812) no Hoare annotation was computed. [2019-12-07 10:20:42,111 INFO L246 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-12-07 10:20:42,111 INFO L249 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-12-07 10:20:42,111 INFO L242 CegarLoopResult]: At program point L763(lines 759 781) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2019-12-07 10:20:42,111 INFO L246 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-12-07 10:20:42,111 INFO L242 CegarLoopResult]: At program point L763-1(lines 759 781) the Hoare annotation is: false [2019-12-07 10:20:42,111 INFO L242 CegarLoopResult]: At program point L730-1(lines 1 1009) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4 .cse3))) [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L763-2(lines 759 781) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L929(lines 914 932) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L929-1(lines 914 932) 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 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse1 .cse2 .cse3))) [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L929-2(lines 914 932) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L929-3(lines 914 932) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L929-4(lines 914 932) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L929-5(lines 914 932) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L665(lines 656 669) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: 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))) [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L665-2(lines 656 669) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L665-3(lines 656 669) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L665-4(lines 656 669) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L242 CegarLoopResult]: At program point L665-5(lines 656 669) the Hoare annotation is: false [2019-12-07 10:20:42,112 INFO L246 CegarLoopResult]: For program point L799(lines 799 807) no Hoare annotation was computed. [2019-12-07 10:20:42,113 INFO L246 CegarLoopResult]: For program point L799-1(lines 799 807) no Hoare annotation was computed. [2019-12-07 10:20:42,113 INFO L246 CegarLoopResult]: For program point L799-2(lines 799 807) no Hoare annotation was computed. [2019-12-07 10:20:42,113 INFO L246 CegarLoopResult]: For program point L799-3(lines 799 807) no Hoare annotation was computed. [2019-12-07 10:20:42,113 INFO L246 CegarLoopResult]: For program point L799-4(lines 799 807) no Hoare annotation was computed. [2019-12-07 10:20:42,113 INFO L246 CegarLoopResult]: For program point L799-5(lines 799 807) no Hoare annotation was computed. [2019-12-07 10:20:42,113 INFO L242 CegarLoopResult]: At program point L469(lines 465 471) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 10:20:42,113 INFO L242 CegarLoopResult]: At program point L998(lines 1 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 10:20:42,113 INFO L246 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2019-12-07 10:20:42,113 INFO L242 CegarLoopResult]: At program point L702-1(lines 702 708) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4 .cse3))) [2019-12-07 10:20:42,113 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-12-07 10:20:42,113 INFO L242 CegarLoopResult]: At program point L770(lines 770 776) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4 .cse3))) [2019-12-07 10:20:42,113 INFO L242 CegarLoopResult]: At program point L770-1(lines 770 776) the Hoare annotation is: false [2019-12-07 10:20:42,113 INFO L242 CegarLoopResult]: At program point L770-2(lines 770 776) the Hoare annotation is: false [2019-12-07 10:20:42,113 INFO L242 CegarLoopResult]: At program point L539(lines 763 769) 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 .cse4 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L539-1(lines 763 769) the Hoare annotation is: false [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L539-2(lines 763 769) the Hoare annotation is: false [2019-12-07 10:20:42,114 INFO L249 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-12-07 10:20:42,114 INFO L246 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L675(lines 670 678) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L675-1(lines 670 678) the Hoare annotation is: false [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L675-2(lines 670 678) the Hoare annotation is: false [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L874(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)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse1 .cse5 .cse6 .cse3) (and .cse4 (= ~switchedOnBeforeTS~0 1) .cse1 .cse5 .cse6 .cse3))) [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: 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 .cse4 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L874-2(lines 869 877) the Hoare annotation is: false [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L874-3(lines 869 877) the Hoare annotation is: false [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L742(lines 691 743) the Hoare annotation is: false [2019-12-07 10:20:42,114 INFO L242 CegarLoopResult]: At program point L874-4(lines 869 877) the Hoare annotation is: false [2019-12-07 10:20:42,115 INFO L242 CegarLoopResult]: At program point L874-5(lines 869 877) the Hoare annotation is: false [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L942(lines 942 946) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L942-3(lines 942 946) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L942-5(lines 942 946) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L942-6(lines 942 946) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L942-8(lines 942 946) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L242 CegarLoopResult]: At program point L712-1(lines 712 718) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4 .cse3))) [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L516-2(line 516) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L246 CegarLoopResult]: For program point L550(lines 550 567) no Hoare annotation was computed. [2019-12-07 10:20:42,115 INFO L242 CegarLoopResult]: At program point L550-1(lines 1 1009) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4) .cse1 .cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2019-12-07 10:20:42,116 INFO L246 CegarLoopResult]: For program point L583-3(lines 583 587) no Hoare annotation was computed. [2019-12-07 10:20:42,116 INFO L246 CegarLoopResult]: For program point L550-2(lines 550 567) no Hoare annotation was computed. [2019-12-07 10:20:42,116 INFO L242 CegarLoopResult]: At program point L550-3(lines 1 1009) the Hoare annotation is: false [2019-12-07 10:20:42,116 INFO L246 CegarLoopResult]: For program point L550-4(lines 550 567) no Hoare annotation was computed. [2019-12-07 10:20:42,116 INFO L246 CegarLoopResult]: For program point L583-6(lines 583 587) no Hoare annotation was computed. [2019-12-07 10:20:42,116 INFO L242 CegarLoopResult]: At program point L550-5(lines 1 1009) the Hoare annotation is: false [2019-12-07 10:20:42,116 INFO L242 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-12-07 10:20:42,116 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 10:20:42,116 INFO L242 CegarLoopResult]: At program point L948(lines 933 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 10:20:42,116 INFO L242 CegarLoopResult]: At program point L948-1(lines 933 951) the Hoare annotation is: false [2019-12-07 10:20:42,116 INFO L242 CegarLoopResult]: At program point L948-2(lines 933 951) the Hoare annotation is: false [2019-12-07 10:20:42,116 INFO L242 CegarLoopResult]: At program point L652(lines 647 655) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .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))) [2019-12-07 10:20:42,116 INFO L242 CegarLoopResult]: At program point L652-1(lines 647 655) the Hoare annotation is: false [2019-12-07 10:20:42,116 INFO L242 CegarLoopResult]: At program point L652-2(lines 647 655) the Hoare annotation is: false [2019-12-07 10:20:42,116 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:20:42,116 INFO L246 CegarLoopResult]: For program point L554(lines 554 564) no Hoare annotation was computed. [2019-12-07 10:20:42,116 INFO L246 CegarLoopResult]: For program point L554-2(lines 554 564) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L554-4(lines 554 564) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L422-1(lines 422 426) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L555(lines 555 561) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L555-2(lines 555 561) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L555-4(lines 555 561) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L821(lines 821 838) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L821-1(lines 821 838) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L821-2(lines 821 838) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L722(lines 722 737) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L956(lines 956 962) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L242 CegarLoopResult]: 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)) [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L923-3(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L923-5(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L923-6(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L923-8(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,117 INFO L246 CegarLoopResult]: For program point L923-9(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L923-11(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L923-12(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L923-14(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L923-15(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L923-17(lines 923 927) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L825(lines 825 833) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L825-1(lines 825 833) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L825-2(lines 825 833) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L693(lines 692 741) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L660-2(lines 660 666) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L660-3(lines 660 666) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L660-4(lines 660 666) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L660-5(lines 660 666) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2019-12-07 10:20:42,118 INFO L246 CegarLoopResult]: For program point L595(lines 595 599) no Hoare annotation was computed. [2019-12-07 10:20:42,119 INFO L242 CegarLoopResult]: At program point L529(lines 524 531) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 10:20:42,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:20:42 BoogieIcfgContainer [2019-12-07 10:20:42,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:20:42,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:20:42,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:20:42,141 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:20:42,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:38" (3/4) ... [2019-12-07 10:20:42,144 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:20:42,158 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:20:42,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:20:42,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:20:42,161 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:20:42,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:20:42,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:20:42,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:20:42,183 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && 1 < tmp) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && tmp <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-12-07 10:20:42,183 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-12-07 10:20:42,183 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-12-07 10:20:42,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-12-07 10:20:42,184 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 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-12-07 10:20:42,184 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 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-12-07 10:20:42,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-12-07 10:20:42,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-12-07 10:20:42,185 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-12-07 10:20:42,186 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-12-07 10:20:42,186 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) [2019-12-07 10:20:42,186 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 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-12-07 10:20:42,186 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-12-07 10:20:42,187 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) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 10:20:42,237 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0e074018-23cd-45ec-9ef9-8acb471479e2/bin/uautomizer/witness.graphml [2019-12-07 10:20:42,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:20:42,238 INFO L168 Benchmark]: Toolchain (without parser) took 4815.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -136.0 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:42,238 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:42,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:42,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.23 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. [2019-12-07 10:20:42,238 INFO L168 Benchmark]: Boogie Preprocessor took 38.43 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. [2019-12-07 10:20:42,239 INFO L168 Benchmark]: RCFGBuilder took 498.18 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:42,239 INFO L168 Benchmark]: TraceAbstraction took 3769.63 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -68.8 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:42,239 INFO L168 Benchmark]: Witness Printer took 95.99 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:42,241 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.23 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 38.43 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 498.18 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3769.63 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -68.8 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. * Witness Printer took 95.99 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: 15.7 MB). Peak memory consumption was 15.7 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 == systemActive && switchedOnBeforeTS == 1) && 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: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 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) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - 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 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && 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) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - 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: (((((\result == 0 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 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 && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) - 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: (((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 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) || (((waterLevel <= 2 && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - 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: 1.8s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 1199 SDtfs, 1190 SDslu, 1491 SDs, 0 SdLazy, 264 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s 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, 800 HoareAnnotationTreeSize, 51 FomulaSimplifications, 56930 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 10316 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s 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...