./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/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 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:59:12,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:59:12,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:59:12,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:59:12,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:59:12,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:59:12,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:59:12,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:59:12,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:59:12,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:59:12,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:59:12,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:59:12,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:59:12,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:59:12,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:59:12,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:59:12,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:59:12,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:59:12,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:59:12,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:59:12,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:59:12,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:59:12,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:59:12,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:59:12,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:59:12,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:59:12,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:59:12,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:59:12,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:59:12,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:59:12,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:59:12,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:59:12,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:59:12,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:59:12,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:59:12,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:59:12,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:59:12,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:59:12,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:59:12,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:59:12,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:59:12,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:59:12,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:59:12,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:59:12,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:59:12,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:59:12,641 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:59:12,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:59:12,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:59:12,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:59:12,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:59:12,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:59:12,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:59:12,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:59:12,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:59:12,643 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:59:12,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:59:12,643 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:59:12,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:59:12,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:59:12,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:59:12,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:59:12,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:59:12,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:59:12,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:59:12,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:59:12,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:59:12,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:59:12,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:59:12,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:59:12,645 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_b5aa6fed-3927-435d-ae44-c6174e4a4680/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 -> 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 [2019-11-19 21:59:12,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:59:12,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:59:12,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:59:12,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:59:12,865 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:59:12,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2019-11-19 21:59:12,933 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/data/851d5ed1e/ca02fc0cbfb7449cb57351e42b7ca617/FLAGe61ba6758 [2019-11-19 21:59:13,435 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:59:13,438 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2019-11-19 21:59:13,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/data/851d5ed1e/ca02fc0cbfb7449cb57351e42b7ca617/FLAGe61ba6758 [2019-11-19 21:59:13,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/data/851d5ed1e/ca02fc0cbfb7449cb57351e42b7ca617 [2019-11-19 21:59:13,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:59:13,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:59:13,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:59:13,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:59:13,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:59:13,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:59:13" (1/1) ... [2019-11-19 21:59:13,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5552b935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:13, skipping insertion in model container [2019-11-19 21:59:13,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:59:13" (1/1) ... [2019-11-19 21:59:13,822 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:59:13,885 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:59:14,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:59:14,320 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:59:14,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:59:14,444 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:59:14,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14 WrapperNode [2019-11-19 21:59:14,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:59:14,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:59:14,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:59:14,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:59:14,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... [2019-11-19 21:59:14,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... [2019-11-19 21:59:14,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:59:14,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:59:14,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:59:14,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:59:14,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... [2019-11-19 21:59:14,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... [2019-11-19 21:59:14,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... [2019-11-19 21:59:14,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... [2019-11-19 21:59:14,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... [2019-11-19 21:59:14,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... [2019-11-19 21:59:14,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... [2019-11-19 21:59:14,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:59:14,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:59:14,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:59:14,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:59:14,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:59:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:59:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:59:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:59:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:59:15,444 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:59:15,444 INFO L285 CfgBuilder]: Removed 110 assume(true) statements. [2019-11-19 21:59:15,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:15 BoogieIcfgContainer [2019-11-19 21:59:15,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:59:15,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:59:15,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:59:15,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:59:15,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:59:13" (1/3) ... [2019-11-19 21:59:15,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67840d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:59:15, skipping insertion in model container [2019-11-19 21:59:15,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:14" (2/3) ... [2019-11-19 21:59:15,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67840d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:59:15, skipping insertion in model container [2019-11-19 21:59:15,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:15" (3/3) ... [2019-11-19 21:59:15,453 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2019-11-19 21:59:15,463 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:59:15,470 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:59:15,481 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:59:15,509 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:59:15,509 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:59:15,509 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:59:15,509 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:59:15,509 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:59:15,510 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:59:15,510 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:59:15,510 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:59:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-11-19 21:59:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 21:59:15,541 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:15,542 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:59:15,542 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:15,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:15,548 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2019-11-19 21:59:15,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:15,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882817450] [2019-11-19 21:59:15,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:15,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882817450] [2019-11-19 21:59:15,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:59:15,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:59:15,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862833703] [2019-11-19 21:59:15,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:59:15,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:15,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:59:15,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:59:15,835 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2019-11-19 21:59:15,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:15,858 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2019-11-19 21:59:15,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:59:15,860 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-19 21:59:15,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:15,870 INFO L225 Difference]: With dead ends: 167 [2019-11-19 21:59:15,871 INFO L226 Difference]: Without dead ends: 83 [2019-11-19 21:59:15,874 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:59:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-19 21:59:15,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-11-19 21:59:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-19 21:59:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2019-11-19 21:59:15,912 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2019-11-19 21:59:15,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:15,912 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2019-11-19 21:59:15,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:59:15,913 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-11-19 21:59:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 21:59:15,914 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:15,914 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:59:15,914 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:15,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:15,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2019-11-19 21:59:15,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:15,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818390238] [2019-11-19 21:59:15,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:16,058 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818390238] [2019-11-19 21:59:16,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:59:16,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:59:16,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459443690] [2019-11-19 21:59:16,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:59:16,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:16,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:59:16,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:59:16,061 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2019-11-19 21:59:16,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:16,072 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2019-11-19 21:59:16,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:59:16,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-19 21:59:16,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:16,074 INFO L225 Difference]: With dead ends: 83 [2019-11-19 21:59:16,074 INFO L226 Difference]: Without dead ends: 38 [2019-11-19 21:59:16,075 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:59:16,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-19 21:59:16,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-19 21:59:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-19 21:59:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2019-11-19 21:59:16,081 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2019-11-19 21:59:16,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:16,081 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-11-19 21:59:16,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:59:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2019-11-19 21:59:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 21:59:16,083 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:16,083 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:59:16,083 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:16,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:16,084 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2019-11-19 21:59:16,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:16,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918162464] [2019-11-19 21:59:16,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:16,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918162464] [2019-11-19 21:59:16,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:59:16,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:59:16,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461257737] [2019-11-19 21:59:16,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:59:16,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:16,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:59:16,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:59:16,221 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2019-11-19 21:59:16,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:16,254 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2019-11-19 21:59:16,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:59:16,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 21:59:16,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:16,256 INFO L225 Difference]: With dead ends: 69 [2019-11-19 21:59:16,256 INFO L226 Difference]: Without dead ends: 38 [2019-11-19 21:59:16,257 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:59:16,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-19 21:59:16,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-19 21:59:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-19 21:59:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2019-11-19 21:59:16,264 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2019-11-19 21:59:16,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:16,264 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2019-11-19 21:59:16,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:59:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2019-11-19 21:59:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 21:59:16,266 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:16,266 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] [2019-11-19 21:59:16,266 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:16,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2019-11-19 21:59:16,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:16,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115924482] [2019-11-19 21:59:16,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:16,372 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115924482] [2019-11-19 21:59:16,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:59:16,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:59:16,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950416824] [2019-11-19 21:59:16,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:59:16,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:16,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:59:16,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:59:16,377 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2019-11-19 21:59:16,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:16,461 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2019-11-19 21:59:16,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:59:16,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-19 21:59:16,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:16,464 INFO L225 Difference]: With dead ends: 93 [2019-11-19 21:59:16,464 INFO L226 Difference]: Without dead ends: 62 [2019-11-19 21:59:16,468 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:59:16,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-19 21:59:16,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-11-19 21:59:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-19 21:59:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-11-19 21:59:16,489 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2019-11-19 21:59:16,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:16,490 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-11-19 21:59:16,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:59:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-11-19 21:59:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:59:16,493 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:16,493 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] [2019-11-19 21:59:16,494 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:16,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:16,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2019-11-19 21:59:16,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:16,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149048266] [2019-11-19 21:59:16,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:16,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149048266] [2019-11-19 21:59:16,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:59:16,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:59:16,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450355608] [2019-11-19 21:59:16,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:59:16,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:16,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:59:16,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:59:16,640 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2019-11-19 21:59:16,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:16,767 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2019-11-19 21:59:16,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:59:16,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:59:16,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:16,769 INFO L225 Difference]: With dead ends: 157 [2019-11-19 21:59:16,769 INFO L226 Difference]: Without dead ends: 104 [2019-11-19 21:59:16,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:59:16,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-19 21:59:16,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2019-11-19 21:59:16,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-19 21:59:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2019-11-19 21:59:16,780 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2019-11-19 21:59:16,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:16,780 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2019-11-19 21:59:16,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:59:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2019-11-19 21:59:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:59:16,782 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:16,782 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] [2019-11-19 21:59:16,783 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:16,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:16,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2019-11-19 21:59:16,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:16,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263377484] [2019-11-19 21:59:16,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:16,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263377484] [2019-11-19 21:59:16,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:59:16,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:59:16,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678650163] [2019-11-19 21:59:16,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:59:16,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:16,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:59:16,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:59:16,880 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2019-11-19 21:59:17,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:17,028 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2019-11-19 21:59:17,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 21:59:17,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:59:17,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:17,031 INFO L225 Difference]: With dead ends: 216 [2019-11-19 21:59:17,031 INFO L226 Difference]: Without dead ends: 160 [2019-11-19 21:59:17,032 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:59:17,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-19 21:59:17,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-11-19 21:59:17,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-19 21:59:17,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2019-11-19 21:59:17,044 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2019-11-19 21:59:17,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:17,044 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2019-11-19 21:59:17,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:59:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2019-11-19 21:59:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:59:17,046 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:17,046 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] [2019-11-19 21:59:17,047 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:17,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:17,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2019-11-19 21:59:17,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:17,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643134476] [2019-11-19 21:59:17,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:17,114 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643134476] [2019-11-19 21:59:17,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:59:17,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:59:17,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878499535] [2019-11-19 21:59:17,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:59:17,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:17,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:59:17,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:59:17,116 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2019-11-19 21:59:17,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:17,258 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2019-11-19 21:59:17,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:59:17,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:59:17,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:17,265 INFO L225 Difference]: With dead ends: 164 [2019-11-19 21:59:17,265 INFO L226 Difference]: Without dead ends: 109 [2019-11-19 21:59:17,266 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:59:17,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-19 21:59:17,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2019-11-19 21:59:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-19 21:59:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2019-11-19 21:59:17,277 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2019-11-19 21:59:17,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:17,278 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2019-11-19 21:59:17,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:59:17,278 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-11-19 21:59:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:59:17,280 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:17,280 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] [2019-11-19 21:59:17,280 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:17,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:17,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2019-11-19 21:59:17,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:17,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4185078] [2019-11-19 21:59:17,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:17,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4185078] [2019-11-19 21:59:17,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:59:17,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:59:17,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584058920] [2019-11-19 21:59:17,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:59:17,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:17,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:59:17,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:59:17,337 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2019-11-19 21:59:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:17,362 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2019-11-19 21:59:17,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:59:17,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-19 21:59:17,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:17,364 INFO L225 Difference]: With dead ends: 148 [2019-11-19 21:59:17,364 INFO L226 Difference]: Without dead ends: 91 [2019-11-19 21:59:17,365 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:59:17,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-19 21:59:17,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-11-19 21:59:17,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-19 21:59:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2019-11-19 21:59:17,378 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2019-11-19 21:59:17,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:17,378 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2019-11-19 21:59:17,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:59:17,379 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2019-11-19 21:59:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 21:59:17,380 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:17,380 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:59:17,381 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:17,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:17,381 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2019-11-19 21:59:17,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:17,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658945823] [2019-11-19 21:59:17,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:17,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658945823] [2019-11-19 21:59:17,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:59:17,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 21:59:17,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535180860] [2019-11-19 21:59:17,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:59:17,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:17,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:59:17,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:59:17,651 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 6 states. [2019-11-19 21:59:17,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:17,918 INFO L93 Difference]: Finished difference Result 327 states and 441 transitions. [2019-11-19 21:59:17,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 21:59:17,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-19 21:59:17,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:17,921 INFO L225 Difference]: With dead ends: 327 [2019-11-19 21:59:17,921 INFO L226 Difference]: Without dead ends: 270 [2019-11-19 21:59:17,921 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-19 21:59:17,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-11-19 21:59:17,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 132. [2019-11-19 21:59:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-19 21:59:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2019-11-19 21:59:17,944 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 34 [2019-11-19 21:59:17,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:17,944 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2019-11-19 21:59:17,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:59:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2019-11-19 21:59:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:59:17,948 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:59:17,948 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] [2019-11-19 21:59:17,949 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:59:17,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:17,949 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2019-11-19 21:59:17,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:59:17,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585318197] [2019-11-19 21:59:17,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:59:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:18,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585318197] [2019-11-19 21:59:18,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389765302] [2019-11-19 21:59:18,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:59:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:18,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 21:59:18,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:59:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:18,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 21:59:18,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-19 21:59:18,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463996410] [2019-11-19 21:59:18,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 21:59:18,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:59:18,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 21:59:18,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:59:18,279 INFO L87 Difference]: Start difference. First operand 132 states and 170 transitions. Second operand 8 states. [2019-11-19 21:59:18,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:59:18,492 INFO L93 Difference]: Finished difference Result 236 states and 311 transitions. [2019-11-19 21:59:18,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:59:18,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-19 21:59:18,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:59:18,493 INFO L225 Difference]: With dead ends: 236 [2019-11-19 21:59:18,493 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:59:18,494 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-19 21:59:18,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:59:18,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:59:18,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:59:18,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:59:18,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-19 21:59:18,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:59:18,495 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:59:18,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 21:59:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:59:18,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:59:18,696 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:59:18,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:59:19,167 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2019-11-19 21:59:19,275 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2019-11-19 21:59:19,419 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2019-11-19 21:59:19,525 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 20 [2019-11-19 21:59:19,679 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-11-19 21:59:19,903 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2019-11-19 21:59:20,300 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2019-11-19 21:59:20,477 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2019-11-19 21:59:20,544 INFO L440 ceAbstractionStarter]: At program point L580-3(lines 575 583) the Hoare annotation is: false [2019-11-19 21:59:20,544 INFO L440 ceAbstractionStarter]: At program point L580-4(lines 575 583) the Hoare annotation is: false [2019-11-19 21:59:20,544 INFO L440 ceAbstractionStarter]: At program point L580-5(lines 575 583) the Hoare annotation is: false [2019-11-19 21:59:20,545 INFO L440 ceAbstractionStarter]: At program point L861(lines 856 864) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse3)))) [2019-11-19 21:59:20,545 INFO L440 ceAbstractionStarter]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2019-11-19 21:59:20,545 INFO L440 ceAbstractionStarter]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2019-11-19 21:59:20,545 INFO L444 ceAbstractionStarter]: For program point L762(lines 762 769) no Hoare annotation was computed. [2019-11-19 21:59:20,545 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-19 21:59:20,545 INFO L447 ceAbstractionStarter]: At program point L762-1(lines 762 769) the Hoare annotation is: true [2019-11-19 21:59:20,545 INFO L444 ceAbstractionStarter]: For program point L531(lines 531 539) no Hoare annotation was computed. [2019-11-19 21:59:20,545 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 531 539) no Hoare annotation was computed. [2019-11-19 21:59:20,545 INFO L444 ceAbstractionStarter]: For program point L531-2(lines 531 539) no Hoare annotation was computed. [2019-11-19 21:59:20,546 INFO L444 ceAbstractionStarter]: For program point L911(lines 911 921) no Hoare annotation was computed. [2019-11-19 21:59:20,546 INFO L444 ceAbstractionStarter]: For program point L911-2(lines 911 921) no Hoare annotation was computed. [2019-11-19 21:59:20,546 INFO L444 ceAbstractionStarter]: For program point L911-4(lines 911 921) no Hoare annotation was computed. [2019-11-19 21:59:20,546 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:59:20,546 INFO L440 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: false [2019-11-19 21:59:20,546 INFO L444 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2019-11-19 21:59:20,546 INFO L444 ceAbstractionStarter]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2019-11-19 21:59:20,546 INFO L444 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2019-11-19 21:59:20,546 INFO L444 ceAbstractionStarter]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2019-11-19 21:59:20,547 INFO L444 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2019-11-19 21:59:20,547 INFO L444 ceAbstractionStarter]: For program point L780-2(line 780) no Hoare annotation was computed. [2019-11-19 21:59:20,547 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-11-19 21:59:20,547 INFO L440 ceAbstractionStarter]: At program point L896(lines 495 501) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-11-19 21:59:20,547 INFO L440 ceAbstractionStarter]: At program point L896-1(lines 495 501) the Hoare annotation is: false [2019-11-19 21:59:20,547 INFO L440 ceAbstractionStarter]: At program point L896-2(lines 495 501) the Hoare annotation is: false [2019-11-19 21:59:20,547 INFO L440 ceAbstractionStarter]: At program point L665(lines 1 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:59:20,547 INFO L440 ceAbstractionStarter]: At program point L502(lines 502 508) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-11-19 21:59:20,548 INFO L440 ceAbstractionStarter]: At program point L502-1(lines 502 508) the Hoare annotation is: false [2019-11-19 21:59:20,548 INFO L440 ceAbstractionStarter]: At program point L502-2(lines 502 508) the Hoare annotation is: false [2019-11-19 21:59:20,548 INFO L444 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2019-11-19 21:59:20,548 INFO L440 ceAbstractionStarter]: At program point L635(lines 620 638) 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 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3))) [2019-11-19 21:59:20,548 INFO L440 ceAbstractionStarter]: At program point L635-1(lines 620 638) the Hoare annotation is: false [2019-11-19 21:59:20,548 INFO L440 ceAbstractionStarter]: At program point L635-2(lines 620 638) the Hoare annotation is: false [2019-11-19 21:59:20,548 INFO L444 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-11-19 21:59:20,548 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:59:20,549 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-11-19 21:59:20,549 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-19 21:59:20,549 INFO L444 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-11-19 21:59:20,549 INFO L444 ceAbstractionStarter]: For program point L456-2(lines 450 461) no Hoare annotation was computed. [2019-11-19 21:59:20,549 INFO L444 ceAbstractionStarter]: For program point L869(lines 869 875) no Hoare annotation was computed. [2019-11-19 21:59:20,549 INFO L444 ceAbstractionStarter]: For program point L869-1(lines 869 875) no Hoare annotation was computed. [2019-11-19 21:59:20,549 INFO L444 ceAbstractionStarter]: For program point L869-2(lines 869 875) no Hoare annotation was computed. [2019-11-19 21:59:20,549 INFO L440 ceAbstractionStarter]: At program point L737(lines 733 739) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:59:20,549 INFO L444 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-11-19 21:59:20,550 INFO L440 ceAbstractionStarter]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse1))) [2019-11-19 21:59:20,550 INFO L440 ceAbstractionStarter]: At program point L886(lines 881 888) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:59:20,550 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 808) no Hoare annotation was computed. [2019-11-19 21:59:20,550 INFO L447 ceAbstractionStarter]: At program point L771(lines 752 774) the Hoare annotation is: true [2019-11-19 21:59:20,550 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:59:20,550 INFO L440 ceAbstractionStarter]: At program point L689-2(lines 689 703) the Hoare annotation is: false [2019-11-19 21:59:20,550 INFO L440 ceAbstractionStarter]: At program point L673(lines 668 676) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:59:20,550 INFO L444 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-11-19 21:59:20,550 INFO L444 ceAbstractionStarter]: For program point L527(lines 527 544) no Hoare annotation was computed. [2019-11-19 21:59:20,551 INFO L444 ceAbstractionStarter]: For program point L527-1(lines 527 544) no Hoare annotation was computed. [2019-11-19 21:59:20,551 INFO L444 ceAbstractionStarter]: For program point L527-2(lines 527 544) no Hoare annotation was computed. [2019-11-19 21:59:20,551 INFO L444 ceAbstractionStarter]: For program point L907(lines 907 924) no Hoare annotation was computed. [2019-11-19 21:59:20,551 INFO L440 ceAbstractionStarter]: At program point L874(lines 865 878) 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 .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3))) [2019-11-19 21:59:20,551 INFO L440 ceAbstractionStarter]: At program point L907-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)))) [2019-11-19 21:59:20,551 INFO L440 ceAbstractionStarter]: At program point L874-1(lines 865 878) the Hoare annotation is: false [2019-11-19 21:59:20,551 INFO L444 ceAbstractionStarter]: For program point L907-2(lines 907 924) no Hoare annotation was computed. [2019-11-19 21:59:20,551 INFO L440 ceAbstractionStarter]: At program point L907-3(lines 1 927) the Hoare annotation is: false [2019-11-19 21:59:20,552 INFO L440 ceAbstractionStarter]: At program point L874-2(lines 865 878) the Hoare annotation is: false [2019-11-19 21:59:20,552 INFO L444 ceAbstractionStarter]: For program point L907-4(lines 907 924) no Hoare annotation was computed. [2019-11-19 21:59:20,552 INFO L440 ceAbstractionStarter]: At program point L907-5(lines 1 927) the Hoare annotation is: false [2019-11-19 21:59:20,552 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:59:20,552 INFO L444 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2019-11-19 21:59:20,552 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-19 21:59:20,552 INFO L444 ceAbstractionStarter]: For program point L792-3(lines 792 796) no Hoare annotation was computed. [2019-11-19 21:59:20,552 INFO L444 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-11-19 21:59:20,552 INFO L444 ceAbstractionStarter]: For program point L693-1(lines 693 697) no Hoare annotation was computed. [2019-11-19 21:59:20,552 INFO L444 ceAbstractionStarter]: For program point L792-6(lines 792 796) no Hoare annotation was computed. [2019-11-19 21:59:20,553 INFO L440 ceAbstractionStarter]: At program point L495(lines 491 513) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and (and .cse0 (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-11-19 21:59:20,553 INFO L440 ceAbstractionStarter]: At program point L495-1(lines 491 513) the Hoare annotation is: false [2019-11-19 21:59:20,557 INFO L440 ceAbstractionStarter]: At program point L495-2(lines 491 513) the Hoare annotation is: false [2019-11-19 21:59:20,558 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-11-19 21:59:20,558 INFO L440 ceAbstractionStarter]: At program point L430-1(lines 430 436) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse1))) [2019-11-19 21:59:20,558 INFO L444 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:59:20,558 INFO L444 ceAbstractionStarter]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:59:20,558 INFO L444 ceAbstractionStarter]: For program point L629-3(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:59:20,559 INFO L444 ceAbstractionStarter]: For program point L629-5(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:59:20,559 INFO L444 ceAbstractionStarter]: For program point L629-6(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:59:20,559 INFO L444 ceAbstractionStarter]: For program point L629-8(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:59:20,559 INFO L440 ceAbstractionStarter]: At program point L580(lines 575 583) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4) .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-11-19 21:59:20,560 INFO L440 ceAbstractionStarter]: At program point L580-1(lines 575 583) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-19 21:59:20,560 INFO L440 ceAbstractionStarter]: At program point L580-2(lines 575 583) the Hoare annotation is: false [2019-11-19 21:59:20,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:59:20 BoogieIcfgContainer [2019-11-19 21:59:20,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:59:20,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:59:20,603 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:59:20,603 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:59:20,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:15" (3/4) ... [2019-11-19 21:59:20,608 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:59:20,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:59:20,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 21:59:20,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:59:20,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:59:20,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:59:20,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:59:20,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) [2019-11-19 21:59:20,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 21:59:20,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 21:59:20,685 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 21:59:20,685 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 21:59:20,685 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 21:59:20,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 21:59:20,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:59:20,689 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:59:20,690 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 21:59:20,690 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 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:59:20,768 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b5aa6fed-3927-435d-ae44-c6174e4a4680/bin/uautomizer/witness.graphml [2019-11-19 21:59:20,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:59:20,770 INFO L168 Benchmark]: Toolchain (without parser) took 6989.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:59:20,770 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:59:20,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:59:20,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.30 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:59:20,771 INFO L168 Benchmark]: Boogie Preprocessor took 48.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:59:20,771 INFO L168 Benchmark]: RCFGBuilder took 852.22 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:59:20,772 INFO L168 Benchmark]: TraceAbstraction took 5153.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -86.4 MB). Peak memory consumption was 186.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:59:20,772 INFO L168 Benchmark]: Witness Printer took 167.75 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:59:20,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 658.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.30 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 852.22 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5153.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -86.4 MB). Peak memory consumption was 186.0 MB. Max. memory is 11.5 GB. * Witness Printer took 167.75 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: 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: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 765 SDtfs, 844 SDslu, 1043 SDs, 0 SdLazy, 176 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 324 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 91 NumberOfFragments, 576 HoareAnnotationTreeSize, 37 FomulaSimplifications, 21654 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 37 FomulaSimplificationsInter, 4636 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 25715 SizeOfPredicates, 4 NumberOfNonLiveVariables, 397 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...