./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/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 69211a6a9810795915a638c419bc12fc6aa00ac5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:55:38,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:38,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:38,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:38,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:38,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:38,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:38,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:38,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:38,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:38,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:38,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:38,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:38,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:38,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:38,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:38,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:38,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:38,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:38,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:38,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:38,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:38,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:38,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:38,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:38,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:38,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:38,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:38,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:38,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:38,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:38,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:38,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:38,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:38,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:38,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:38,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:38,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:38,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:38,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:38,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:38,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:55:38,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:38,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:38,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:38,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:38,552 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:38,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:38,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:38,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:38,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:38,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:38,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:55:38,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:55:38,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:55:38,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:38,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:38,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:38,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:55:38,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:38,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:38,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:55:38,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:55:38,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:38,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:38,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:55:38,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:55:38,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:55:38,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:55:38,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:55:38,556 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_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/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 -> 69211a6a9810795915a638c419bc12fc6aa00ac5 [2019-11-25 08:55:38,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:38,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:38,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:38,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:38,700 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:38,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2019-11-25 08:55:38,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/data/979fdd820/3feab72f1a7f4e7282d15ec999b04933/FLAG240e229c5 [2019-11-25 08:55:39,199 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:39,200 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2019-11-25 08:55:39,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/data/979fdd820/3feab72f1a7f4e7282d15ec999b04933/FLAG240e229c5 [2019-11-25 08:55:39,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/data/979fdd820/3feab72f1a7f4e7282d15ec999b04933 [2019-11-25 08:55:39,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:39,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:39,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:39,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:39,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:39,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:39" (1/1) ... [2019-11-25 08:55:39,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ae6ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:39, skipping insertion in model container [2019-11-25 08:55:39,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:39" (1/1) ... [2019-11-25 08:55:39,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:39,564 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:39,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:40,006 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:40,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:40,139 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:40,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40 WrapperNode [2019-11-25 08:55:40,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:40,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:40,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:55:40,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:55:40,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... [2019-11-25 08:55:40,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... [2019-11-25 08:55:40,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:40,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:40,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:40,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:40,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... [2019-11-25 08:55:40,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... [2019-11-25 08:55:40,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... [2019-11-25 08:55:40,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... [2019-11-25 08:55:40,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... [2019-11-25 08:55:40,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... [2019-11-25 08:55:40,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... [2019-11-25 08:55:40,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:40,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:40,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:40,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:40,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/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 [2019-11-25 08:55:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:55:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:55:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:40,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:40,929 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:40,930 INFO L284 CfgBuilder]: Removed 116 assume(true) statements. [2019-11-25 08:55:40,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:40 BoogieIcfgContainer [2019-11-25 08:55:40,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:40,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:55:40,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:55:40,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:55:40,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:55:39" (1/3) ... [2019-11-25 08:55:40,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7152ab2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:40, skipping insertion in model container [2019-11-25 08:55:40,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:40" (2/3) ... [2019-11-25 08:55:40,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7152ab2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:40, skipping insertion in model container [2019-11-25 08:55:40,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:40" (3/3) ... [2019-11-25 08:55:40,941 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2019-11-25 08:55:40,950 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:55:40,956 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:55:40,965 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:55:40,990 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:55:40,990 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:55:40,991 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:55:40,991 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:40,991 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:40,991 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:55:40,991 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:40,991 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:55:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2019-11-25 08:55:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:55:41,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:41,014 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:41,014 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:41,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:41,018 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2019-11-25 08:55:41,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:41,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498203205] [2019-11-25 08:55:41,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:41,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498203205] [2019-11-25 08:55:41,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:41,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:55:41,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932739432] [2019-11-25 08:55:41,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:55:41,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:41,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:55:41,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:55:41,264 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2019-11-25 08:55:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:41,290 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2019-11-25 08:55:41,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:55:41,292 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-25 08:55:41,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:41,302 INFO L225 Difference]: With dead ends: 171 [2019-11-25 08:55:41,302 INFO L226 Difference]: Without dead ends: 85 [2019-11-25 08:55:41,305 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 [2019-11-25 08:55:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-11-25 08:55:41,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-11-25 08:55:41,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-25 08:55:41,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2019-11-25 08:55:41,342 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2019-11-25 08:55:41,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:41,343 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2019-11-25 08:55:41,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:55:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2019-11-25 08:55:41,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 08:55:41,344 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:41,345 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] [2019-11-25 08:55:41,345 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:41,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:41,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2019-11-25 08:55:41,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:41,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434021355] [2019-11-25 08:55:41,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:41,489 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434021355] [2019-11-25 08:55:41,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:41,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:55:41,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233792687] [2019-11-25 08:55:41,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:55:41,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:41,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:55:41,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:55:41,492 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2019-11-25 08:55:41,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:41,502 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-11-25 08:55:41,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:55:41,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-25 08:55:41,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:41,504 INFO L225 Difference]: With dead ends: 85 [2019-11-25 08:55:41,504 INFO L226 Difference]: Without dead ends: 40 [2019-11-25 08:55:41,505 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 [2019-11-25 08:55:41,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-25 08:55:41,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-25 08:55:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-25 08:55:41,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2019-11-25 08:55:41,511 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2019-11-25 08:55:41,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:41,512 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2019-11-25 08:55:41,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:55:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2019-11-25 08:55:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:55:41,513 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:41,513 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] [2019-11-25 08:55:41,514 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:41,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:41,514 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2019-11-25 08:55:41,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:41,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584558991] [2019-11-25 08:55:41,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:41,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584558991] [2019-11-25 08:55:41,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:41,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:55:41,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605481229] [2019-11-25 08:55:41,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:55:41,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:41,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:55:41,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:55:41,584 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2019-11-25 08:55:41,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:41,630 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2019-11-25 08:55:41,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:55:41,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-25 08:55:41,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:41,634 INFO L225 Difference]: With dead ends: 106 [2019-11-25 08:55:41,636 INFO L226 Difference]: Without dead ends: 73 [2019-11-25 08:55:41,637 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 [2019-11-25 08:55:41,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-25 08:55:41,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2019-11-25 08:55:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-25 08:55:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2019-11-25 08:55:41,654 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2019-11-25 08:55:41,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:41,655 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2019-11-25 08:55:41,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:55:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2019-11-25 08:55:41,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-25 08:55:41,663 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:41,663 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] [2019-11-25 08:55:41,663 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:41,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:41,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2019-11-25 08:55:41,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:41,664 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145001693] [2019-11-25 08:55:41,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:41,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145001693] [2019-11-25 08:55:41,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:41,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:55:41,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405607995] [2019-11-25 08:55:41,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:55:41,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:41,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:55:41,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:55:41,734 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2019-11-25 08:55:41,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:41,783 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2019-11-25 08:55:41,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:55:41,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-25 08:55:41,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:41,785 INFO L225 Difference]: With dead ends: 178 [2019-11-25 08:55:41,785 INFO L226 Difference]: Without dead ends: 116 [2019-11-25 08:55:41,786 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 [2019-11-25 08:55:41,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-25 08:55:41,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-11-25 08:55:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-25 08:55:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2019-11-25 08:55:41,813 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2019-11-25 08:55:41,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:41,813 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2019-11-25 08:55:41,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:55:41,814 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2019-11-25 08:55:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 08:55:41,816 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:41,816 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:41,816 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:41,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:41,817 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2019-11-25 08:55:41,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:41,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118251136] [2019-11-25 08:55:41,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:41,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118251136] [2019-11-25 08:55:41,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:41,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:55:41,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281236987] [2019-11-25 08:55:41,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:55:41,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:41,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:55:41,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:41,924 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2019-11-25 08:55:42,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:42,120 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2019-11-25 08:55:42,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:55:42,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-25 08:55:42,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:42,123 INFO L225 Difference]: With dead ends: 405 [2019-11-25 08:55:42,123 INFO L226 Difference]: Without dead ends: 298 [2019-11-25 08:55:42,124 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 [2019-11-25 08:55:42,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-11-25 08:55:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2019-11-25 08:55:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-25 08:55:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2019-11-25 08:55:42,161 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2019-11-25 08:55:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:42,162 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2019-11-25 08:55:42,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:55:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2019-11-25 08:55:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:55:42,164 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:42,164 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] [2019-11-25 08:55:42,164 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:42,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:42,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2019-11-25 08:55:42,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:42,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156167664] [2019-11-25 08:55:42,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:42,264 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156167664] [2019-11-25 08:55:42,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:42,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:55:42,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433104374] [2019-11-25 08:55:42,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:55:42,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:42,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:55:42,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:42,266 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2019-11-25 08:55:42,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:42,324 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2019-11-25 08:55:42,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:55:42,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:55:42,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:42,326 INFO L225 Difference]: With dead ends: 304 [2019-11-25 08:55:42,326 INFO L226 Difference]: Without dead ends: 199 [2019-11-25 08:55:42,327 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 [2019-11-25 08:55:42,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-11-25 08:55:42,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2019-11-25 08:55:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-25 08:55:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2019-11-25 08:55:42,342 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2019-11-25 08:55:42,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:42,342 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2019-11-25 08:55:42,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:55:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2019-11-25 08:55:42,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:55:42,346 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:42,347 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] [2019-11-25 08:55:42,349 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:42,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:42,350 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2019-11-25 08:55:42,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:42,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646559760] [2019-11-25 08:55:42,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:42,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646559760] [2019-11-25 08:55:42,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:42,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:55:42,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256963123] [2019-11-25 08:55:42,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:55:42,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:42,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:55:42,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:55:42,409 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2019-11-25 08:55:42,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:42,453 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2019-11-25 08:55:42,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:55:42,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-25 08:55:42,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:42,455 INFO L225 Difference]: With dead ends: 283 [2019-11-25 08:55:42,455 INFO L226 Difference]: Without dead ends: 172 [2019-11-25 08:55:42,456 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:42,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-11-25 08:55:42,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2019-11-25 08:55:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-11-25 08:55:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2019-11-25 08:55:42,468 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2019-11-25 08:55:42,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:42,469 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2019-11-25 08:55:42,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:55:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2019-11-25 08:55:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:55:42,470 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:42,470 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] [2019-11-25 08:55:42,470 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:42,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:42,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2019-11-25 08:55:42,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:42,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579592529] [2019-11-25 08:55:42,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:42,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579592529] [2019-11-25 08:55:42,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:42,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:55:42,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474522038] [2019-11-25 08:55:42,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:55:42,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:42,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:55:42,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:55:42,520 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2019-11-25 08:55:42,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:42,547 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2019-11-25 08:55:42,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:55:42,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-25 08:55:42,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:42,549 INFO L225 Difference]: With dead ends: 293 [2019-11-25 08:55:42,549 INFO L226 Difference]: Without dead ends: 178 [2019-11-25 08:55:42,550 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 [2019-11-25 08:55:42,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-11-25 08:55:42,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2019-11-25 08:55:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-25 08:55:42,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2019-11-25 08:55:42,565 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2019-11-25 08:55:42,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:42,566 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2019-11-25 08:55:42,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:55:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2019-11-25 08:55:42,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:55:42,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:42,567 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] [2019-11-25 08:55:42,567 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:42,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:42,567 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2019-11-25 08:55:42,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:42,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262006727] [2019-11-25 08:55:42,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:42,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262006727] [2019-11-25 08:55:42,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:42,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:55:42,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004875722] [2019-11-25 08:55:42,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:55:42,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:42,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:55:42,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:55:42,679 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 6 states. [2019-11-25 08:55:42,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:42,896 INFO L93 Difference]: Finished difference Result 665 states and 913 transitions. [2019-11-25 08:55:42,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:55:42,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-25 08:55:42,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:42,900 INFO L225 Difference]: With dead ends: 665 [2019-11-25 08:55:42,900 INFO L226 Difference]: Without dead ends: 550 [2019-11-25 08:55:42,901 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:55:42,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-11-25 08:55:42,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 263. [2019-11-25 08:55:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2019-11-25 08:55:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 346 transitions. [2019-11-25 08:55:42,929 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 346 transitions. Word has length 34 [2019-11-25 08:55:42,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:42,931 INFO L462 AbstractCegarLoop]: Abstraction has 263 states and 346 transitions. [2019-11-25 08:55:42,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:55:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 346 transitions. [2019-11-25 08:55:42,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-25 08:55:42,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:42,933 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] [2019-11-25 08:55:42,933 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:42,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:42,934 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2019-11-25 08:55:42,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:42,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399459696] [2019-11-25 08:55:42,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:43,014 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:43,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399459696] [2019-11-25 08:55:43,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466375979] [2019-11-25 08:55:43,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/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 [2019-11-25 08:55:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:43,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:43,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:43,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:55:43,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-25 08:55:43,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80231668] [2019-11-25 08:55:43,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:55:43,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:43,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:55:43,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:55:43,242 INFO L87 Difference]: Start difference. First operand 263 states and 346 transitions. Second operand 8 states. [2019-11-25 08:55:43,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:43,427 INFO L93 Difference]: Finished difference Result 484 states and 647 transitions. [2019-11-25 08:55:43,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:55:43,428 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-25 08:55:43,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:43,428 INFO L225 Difference]: With dead ends: 484 [2019-11-25 08:55:43,428 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:55:43,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:55:43,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:55:43,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:55:43,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:55:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:55:43,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-25 08:55:43,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:43,430 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:43,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:55:43,430 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:55:43,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:55:43,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:55:43,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:55:44,325 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 18 [2019-11-25 08:55:44,518 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-11-25 08:55:44,646 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 20 [2019-11-25 08:55:44,900 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21 [2019-11-25 08:55:45,078 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-11-25 08:55:45,267 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-11-25 08:55:45,512 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2019-11-25 08:55:45,746 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2019-11-25 08:55:45,968 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-11-25 08:55:46,087 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 13 [2019-11-25 08:55:46,182 INFO L444 ceAbstractionStarter]: For program point L894(lines 894 898) no Hoare annotation was computed. [2019-11-25 08:55:46,182 INFO L440 ceAbstractionStarter]: At program point L250(lines 235 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (<= ~waterLevel~0 1) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse0 .cse1))) [2019-11-25 08:55:46,183 INFO L440 ceAbstractionStarter]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L440 ceAbstractionStarter]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point L846(lines 846 856) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point L846-2(lines 846 856) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point L846-4(lines 846 856) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point L731-1(lines 731 735) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L444 ceAbstractionStarter]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2019-11-25 08:55:46,183 INFO L440 ceAbstractionStarter]: At program point L831(lines 110 116) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-25 08:55:46,183 INFO L440 ceAbstractionStarter]: At program point L831-1(lines 110 116) the Hoare annotation is: false [2019-11-25 08:55:46,184 INFO L440 ceAbstractionStarter]: At program point L831-2(lines 110 116) the Hoare annotation is: false [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point L947-2(lines 947 953) no Hoare annotation was computed. [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point L667(lines 667 673) no Hoare annotation was computed. [2019-11-25 08:55:46,184 INFO L440 ceAbstractionStarter]: At program point L667-1(lines 667 673) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point L882(lines 882 886) no Hoare annotation was computed. [2019-11-25 08:55:46,184 INFO L440 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point L800(lines 800 807) no Hoare annotation was computed. [2019-11-25 08:55:46,184 INFO L447 ceAbstractionStarter]: At program point L800-1(lines 800 807) the Hoare annotation is: true [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point L687(lines 687 702) no Hoare annotation was computed. [2019-11-25 08:55:46,184 INFO L444 ceAbstractionStarter]: For program point L142(lines 142 159) no Hoare annotation was computed. [2019-11-25 08:55:46,185 INFO L444 ceAbstractionStarter]: For program point L142-1(lines 142 159) no Hoare annotation was computed. [2019-11-25 08:55:46,185 INFO L444 ceAbstractionStarter]: For program point L142-2(lines 142 159) no Hoare annotation was computed. [2019-11-25 08:55:46,185 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-11-25 08:55:46,185 INFO L440 ceAbstractionStarter]: At program point L258-1(lines 258 264) the Hoare annotation is: (and (= ~pumpRunning~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:55:46,185 INFO L440 ceAbstractionStarter]: At program point L952(lines 943 956) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= ~waterLevel~0 1) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-25 08:55:46,185 INFO L440 ceAbstractionStarter]: At program point L952-1(lines 943 956) the Hoare annotation is: false [2019-11-25 08:55:46,185 INFO L440 ceAbstractionStarter]: At program point L952-2(lines 943 956) the Hoare annotation is: false [2019-11-25 08:55:46,185 INFO L440 ceAbstractionStarter]: At program point L110(lines 106 128) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-25 08:55:46,185 INFO L440 ceAbstractionStarter]: At program point L110-1(lines 106 128) the Hoare annotation is: false [2019-11-25 08:55:46,185 INFO L440 ceAbstractionStarter]: At program point L110-2(lines 106 128) the Hoare annotation is: false [2019-11-25 08:55:46,185 INFO L444 ceAbstractionStarter]: For program point L870(lines 870 874) no Hoare annotation was computed. [2019-11-25 08:55:46,185 INFO L444 ceAbstractionStarter]: For program point L870-3(lines 870 874) no Hoare annotation was computed. [2019-11-25 08:55:46,185 INFO L444 ceAbstractionStarter]: For program point L870-6(lines 870 874) no Hoare annotation was computed. [2019-11-25 08:55:46,185 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:55:46,186 INFO L440 ceAbstractionStarter]: At program point L821(lines 816 823) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:55:46,186 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 248) no Hoare annotation was computed. [2019-11-25 08:55:46,186 INFO L444 ceAbstractionStarter]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2019-11-25 08:55:46,186 INFO L444 ceAbstractionStarter]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2019-11-25 08:55:46,186 INFO L444 ceAbstractionStarter]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2019-11-25 08:55:46,186 INFO L444 ceAbstractionStarter]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2019-11-25 08:55:46,186 INFO L444 ceAbstractionStarter]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2019-11-25 08:55:46,186 INFO L440 ceAbstractionStarter]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (or .cse0 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse4 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4 .cse3)))) [2019-11-25 08:55:46,186 INFO L440 ceAbstractionStarter]: At program point L707(lines 656 708) the Hoare annotation is: false [2019-11-25 08:55:46,186 INFO L440 ceAbstractionStarter]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-25 08:55:46,186 INFO L440 ceAbstractionStarter]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2019-11-25 08:55:46,187 INFO L440 ceAbstractionStarter]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2019-11-25 08:55:46,187 INFO L440 ceAbstractionStarter]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2019-11-25 08:55:46,187 INFO L440 ceAbstractionStarter]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2019-11-25 08:55:46,187 INFO L444 ceAbstractionStarter]: For program point L658(lines 657 706) no Hoare annotation was computed. [2019-11-25 08:55:46,187 INFO L444 ceAbstractionStarter]: For program point L146(lines 146 154) no Hoare annotation was computed. [2019-11-25 08:55:46,187 INFO L444 ceAbstractionStarter]: For program point L146-1(lines 146 154) no Hoare annotation was computed. [2019-11-25 08:55:46,187 INFO L444 ceAbstractionStarter]: For program point L146-2(lines 146 154) no Hoare annotation was computed. [2019-11-25 08:55:46,188 INFO L440 ceAbstractionStarter]: At program point L939(lines 934 942) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (or .cse0 (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse2) (and (= ~pumpRunning~0 0) .cse3 .cse2)))) [2019-11-25 08:55:46,188 INFO L440 ceAbstractionStarter]: At program point L939-1(lines 934 942) the Hoare annotation is: false [2019-11-25 08:55:46,188 INFO L440 ceAbstractionStarter]: At program point L939-2(lines 934 942) the Hoare annotation is: false [2019-11-25 08:55:46,188 INFO L444 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-11-25 08:55:46,188 INFO L440 ceAbstractionStarter]: At program point L775(lines 771 777) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:55:46,188 INFO L440 ceAbstractionStarter]: At program point L65(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:55:46,189 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:55:46,189 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-25 08:55:46,189 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-25 08:55:46,189 INFO L444 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-11-25 08:55:46,189 INFO L444 ceAbstractionStarter]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-11-25 08:55:46,189 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 859) no Hoare annotation was computed. [2019-11-25 08:55:46,190 INFO L440 ceAbstractionStarter]: At program point L842-1(lines 1 956) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (or .cse0 (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse2) (and (= ~pumpRunning~0 0) .cse3 .cse2)))) [2019-11-25 08:55:46,190 INFO L447 ceAbstractionStarter]: At program point L809(lines 790 812) the Hoare annotation is: true [2019-11-25 08:55:46,190 INFO L444 ceAbstractionStarter]: For program point L842-2(lines 842 859) no Hoare annotation was computed. [2019-11-25 08:55:46,190 INFO L440 ceAbstractionStarter]: At program point L842-3(lines 1 956) the Hoare annotation is: false [2019-11-25 08:55:46,190 INFO L444 ceAbstractionStarter]: For program point L842-4(lines 842 859) no Hoare annotation was computed. [2019-11-25 08:55:46,190 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-11-25 08:55:46,190 INFO L440 ceAbstractionStarter]: At program point L842-5(lines 1 956) the Hoare annotation is: false [2019-11-25 08:55:46,191 INFO L440 ceAbstractionStarter]: At program point L677-1(lines 677 683) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-25 08:55:46,191 INFO L440 ceAbstractionStarter]: At program point L727-2(lines 727 741) the Hoare annotation is: false [2019-11-25 08:55:46,191 INFO L444 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2019-11-25 08:55:46,191 INFO L444 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-11-25 08:55:46,191 INFO L440 ceAbstractionStarter]: At program point L695-1(lines 1 956) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-25 08:55:46,191 INFO L440 ceAbstractionStarter]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-25 08:55:46,192 INFO L440 ceAbstractionStarter]: At program point L117-1(lines 117 123) the Hoare annotation is: false [2019-11-25 08:55:46,192 INFO L440 ceAbstractionStarter]: At program point L117-2(lines 117 123) the Hoare annotation is: false [2019-11-25 08:55:46,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:55:46 BoogieIcfgContainer [2019-11-25 08:55:46,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:55:46,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:55:46,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:55:46,237 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:55:46,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:40" (3/4) ... [2019-11-25 08:55:46,241 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:55:46,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:55:46,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:55:46,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:55:46,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:55:46,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:55:46,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:55:46,262 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:55:46,288 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 2 && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-25 08:55:46,289 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-25 08:55:46,289 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-25 08:55:46,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-25 08:55:46,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 == waterLevel && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-25 08:55:46,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-25 08:55:46,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-25 08:55:46,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-25 08:55:46,292 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 2 && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-25 08:55:46,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:55:46,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-25 08:55:46,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((((0 == \result && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:55:46,371 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_deb55d26-a01a-4aa6-b0e8-c16c24a88e2b/bin/uautomizer/witness.graphml [2019-11-25 08:55:46,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:55:46,372 INFO L168 Benchmark]: Toolchain (without parser) took 6885.21 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.1 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -298.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:46,373 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-25 08:55:46,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:46,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.75 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:46,373 INFO L168 Benchmark]: Boogie Preprocessor took 48.25 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. [2019-11-25 08:55:46,374 INFO L168 Benchmark]: RCFGBuilder took 669.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:46,374 INFO L168 Benchmark]: TraceAbstraction took 5304.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -222.4 MB). Peak memory consumption was 325.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:46,375 INFO L168 Benchmark]: Witness Printer took 134.47 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:46,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 648.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.75 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.25 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 669.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5304.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -222.4 MB). Peak memory consumption was 325.0 MB. Max. memory is 11.5 GB. * Witness Printer took 134.47 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 235]: Loop Invariant Derived loop invariant: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((((0 == \result && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((\result == 2 && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((2 == waterLevel && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((tmp == 2 && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, HoareTripleCheckerStatistics: 839 SDtfs, 801 SDslu, 1207 SDs, 0 SdLazy, 206 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred 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, 610 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 166 NumberOfFragments, 568 HoareAnnotationTreeSize, 39 FomulaSimplifications, 35239 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 39 FomulaSimplificationsInter, 9014 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 23359 SizeOfPredicates, 4 NumberOfNonLiveVariables, 401 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...