./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/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 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:29:04,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:29:04,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:29:04,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:29:04,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:29:04,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:29:04,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:29:05,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:29:05,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:29:05,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:29:05,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:29:05,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:29:05,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:29:05,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:29:05,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:29:05,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:29:05,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:29:05,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:29:05,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:29:05,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:29:05,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:29:05,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:29:05,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:29:05,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:29:05,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:29:05,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:29:05,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:29:05,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:29:05,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:29:05,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:29:05,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:29:05,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:29:05,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:29:05,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:29:05,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:29:05,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:29:05,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:29:05,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:29:05,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:29:05,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:29:05,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:29:05,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:29:05,067 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:29:05,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:29:05,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:29:05,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:29:05,078 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:29:05,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:29:05,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:29:05,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:29:05,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:29:05,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:29:05,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:29:05,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:29:05,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:29:05,081 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:29:05,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:29:05,081 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:29:05,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:29:05,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:29:05,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:29:05,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:29:05,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:29:05,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:29:05,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:29:05,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:29:05,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:29:05,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:29:05,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:29:05,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:29:05,084 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_6f301bb7-55a9-48f9-aabd-90901abe3d52/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 -> 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 [2019-11-20 09:29:05,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:29:05,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:29:05,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:29:05,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:29:05,232 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:29:05,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2019-11-20 09:29:05,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/data/b135ee372/7df5b1a1ef3b429f811c23715836ac24/FLAG30b25d9e7 [2019-11-20 09:29:05,737 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:29:05,738 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2019-11-20 09:29:05,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/data/b135ee372/7df5b1a1ef3b429f811c23715836ac24/FLAG30b25d9e7 [2019-11-20 09:29:06,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/data/b135ee372/7df5b1a1ef3b429f811c23715836ac24 [2019-11-20 09:29:06,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:29:06,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:29:06,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:29:06,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:29:06,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:29:06,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc7e569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06, skipping insertion in model container [2019-11-20 09:29:06,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,267 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:29:06,314 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:29:06,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:29:06,640 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:29:06,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:29:06,787 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:29:06,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06 WrapperNode [2019-11-20 09:29:06,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:29:06,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:29:06,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:29:06,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:29:06,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:29:06,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:29:06,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:29:06,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:29:06,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... [2019-11-20 09:29:06,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:29:06,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:29:06,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:29:06,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:29:06,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:29:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:29:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 09:29:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:29:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:29:07,708 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:29:07,708 INFO L285 CfgBuilder]: Removed 170 assume(true) statements. [2019-11-20 09:29:07,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:07 BoogieIcfgContainer [2019-11-20 09:29:07,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:29:07,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:29:07,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:29:07,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:29:07,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:29:06" (1/3) ... [2019-11-20 09:29:07,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b73658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:07, skipping insertion in model container [2019-11-20 09:29:07,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:06" (2/3) ... [2019-11-20 09:29:07,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b73658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:07, skipping insertion in model container [2019-11-20 09:29:07,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:07" (3/3) ... [2019-11-20 09:29:07,721 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2019-11-20 09:29:07,730 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:29:07,736 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 09:29:07,746 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 09:29:07,768 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:29:07,768 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:29:07,768 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:29:07,768 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:29:07,768 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:29:07,768 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:29:07,769 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:29:07,769 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:29:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-11-20 09:29:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 09:29:07,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:07,792 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:07,793 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:07,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:07,798 INFO L82 PathProgramCache]: Analyzing trace with hash -2044768007, now seen corresponding path program 1 times [2019-11-20 09:29:07,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:07,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992238462] [2019-11-20 09:29:07,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:07,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992238462] [2019-11-20 09:29:07,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:07,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:29:08,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599398011] [2019-11-20 09:29:08,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 09:29:08,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:08,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 09:29:08,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:29:08,018 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-11-20 09:29:08,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:08,048 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2019-11-20 09:29:08,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:29:08,049 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-20 09:29:08,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:08,060 INFO L225 Difference]: With dead ends: 233 [2019-11-20 09:29:08,060 INFO L226 Difference]: Without dead ends: 116 [2019-11-20 09:29:08,063 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:29:08,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-20 09:29:08,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-20 09:29:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-20 09:29:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2019-11-20 09:29:08,104 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2019-11-20 09:29:08,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:08,105 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2019-11-20 09:29:08,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 09:29:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2019-11-20 09:29:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 09:29:08,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:08,106 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:08,106 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:08,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:08,107 INFO L82 PathProgramCache]: Analyzing trace with hash -238748454, now seen corresponding path program 1 times [2019-11-20 09:29:08,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:08,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755178470] [2019-11-20 09:29:08,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:08,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755178470] [2019-11-20 09:29:08,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:08,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:29:08,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714416252] [2019-11-20 09:29:08,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:29:08,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:08,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:29:08,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:08,233 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2019-11-20 09:29:08,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:08,244 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2019-11-20 09:29:08,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:29:08,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 09:29:08,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:08,246 INFO L225 Difference]: With dead ends: 116 [2019-11-20 09:29:08,246 INFO L226 Difference]: Without dead ends: 49 [2019-11-20 09:29:08,247 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:08,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-20 09:29:08,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-20 09:29:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-20 09:29:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-11-20 09:29:08,254 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2019-11-20 09:29:08,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:08,254 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-11-20 09:29:08,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:29:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-11-20 09:29:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 09:29:08,255 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:08,256 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:08,256 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:08,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:08,256 INFO L82 PathProgramCache]: Analyzing trace with hash 2013244568, now seen corresponding path program 1 times [2019-11-20 09:29:08,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:08,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184072081] [2019-11-20 09:29:08,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:08,359 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184072081] [2019-11-20 09:29:08,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:08,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:29:08,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856773078] [2019-11-20 09:29:08,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:29:08,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:08,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:29:08,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:08,361 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-11-20 09:29:08,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:08,374 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2019-11-20 09:29:08,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:29:08,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 09:29:08,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:08,380 INFO L225 Difference]: With dead ends: 91 [2019-11-20 09:29:08,381 INFO L226 Difference]: Without dead ends: 49 [2019-11-20 09:29:08,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:08,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-20 09:29:08,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-20 09:29:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-20 09:29:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2019-11-20 09:29:08,394 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2019-11-20 09:29:08,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:08,395 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2019-11-20 09:29:08,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:29:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2019-11-20 09:29:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 09:29:08,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:08,401 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:08,401 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:08,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:08,401 INFO L82 PathProgramCache]: Analyzing trace with hash -997731729, now seen corresponding path program 1 times [2019-11-20 09:29:08,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:08,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67653180] [2019-11-20 09:29:08,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:08,478 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67653180] [2019-11-20 09:29:08,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:08,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:29:08,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909850681] [2019-11-20 09:29:08,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:29:08,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:08,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:29:08,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:08,484 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2019-11-20 09:29:08,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:08,531 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2019-11-20 09:29:08,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:29:08,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-20 09:29:08,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:08,532 INFO L225 Difference]: With dead ends: 115 [2019-11-20 09:29:08,532 INFO L226 Difference]: Without dead ends: 73 [2019-11-20 09:29:08,533 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:08,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-20 09:29:08,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2019-11-20 09:29:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-20 09:29:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-20 09:29:08,541 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2019-11-20 09:29:08,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:08,541 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-20 09:29:08,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:29:08,541 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-20 09:29:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:29:08,542 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:08,543 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:08,543 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:08,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:08,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1921834210, now seen corresponding path program 1 times [2019-11-20 09:29:08,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:08,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339705424] [2019-11-20 09:29:08,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:08,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339705424] [2019-11-20 09:29:08,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:08,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 09:29:08,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925776233] [2019-11-20 09:29:08,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:29:08,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:08,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:29:08,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:29:08,666 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2019-11-20 09:29:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:08,749 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2019-11-20 09:29:08,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 09:29:08,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 09:29:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:08,751 INFO L225 Difference]: With dead ends: 190 [2019-11-20 09:29:08,752 INFO L226 Difference]: Without dead ends: 126 [2019-11-20 09:29:08,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:29:08,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-20 09:29:08,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2019-11-20 09:29:08,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-20 09:29:08,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2019-11-20 09:29:08,762 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2019-11-20 09:29:08,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:08,763 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2019-11-20 09:29:08,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:29:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2019-11-20 09:29:08,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:29:08,764 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:08,764 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:08,765 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:08,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:08,765 INFO L82 PathProgramCache]: Analyzing trace with hash -988370501, now seen corresponding path program 1 times [2019-11-20 09:29:08,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:08,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723651642] [2019-11-20 09:29:08,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:08,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723651642] [2019-11-20 09:29:08,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:08,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:29:08,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649062177] [2019-11-20 09:29:08,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:29:08,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:08,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:29:08,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:29:08,850 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2019-11-20 09:29:08,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:08,999 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2019-11-20 09:29:09,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 09:29:09,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 09:29:09,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:09,001 INFO L225 Difference]: With dead ends: 260 [2019-11-20 09:29:09,002 INFO L226 Difference]: Without dead ends: 190 [2019-11-20 09:29:09,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 09:29:09,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-11-20 09:29:09,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-11-20 09:29:09,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-20 09:29:09,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2019-11-20 09:29:09,013 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2019-11-20 09:29:09,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:09,013 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2019-11-20 09:29:09,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:29:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2019-11-20 09:29:09,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:29:09,026 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:09,028 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:09,028 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:09,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:09,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1220769632, now seen corresponding path program 1 times [2019-11-20 09:29:09,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:09,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180020377] [2019-11-20 09:29:09,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:09,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180020377] [2019-11-20 09:29:09,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:09,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:29:09,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006245668] [2019-11-20 09:29:09,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:29:09,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:09,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:29:09,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:29:09,117 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 4 states. [2019-11-20 09:29:09,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:09,162 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2019-11-20 09:29:09,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:29:09,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-20 09:29:09,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:09,164 INFO L225 Difference]: With dead ends: 177 [2019-11-20 09:29:09,164 INFO L226 Difference]: Without dead ends: 108 [2019-11-20 09:29:09,165 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:29:09,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-20 09:29:09,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2019-11-20 09:29:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-20 09:29:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2019-11-20 09:29:09,175 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2019-11-20 09:29:09,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:09,175 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2019-11-20 09:29:09,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:29:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2019-11-20 09:29:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:29:09,177 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:09,177 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:09,177 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:09,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:09,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1807575646, now seen corresponding path program 1 times [2019-11-20 09:29:09,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:09,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625469455] [2019-11-20 09:29:09,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:09,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625469455] [2019-11-20 09:29:09,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:09,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:29:09,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617186743] [2019-11-20 09:29:09,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:29:09,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:09,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:29:09,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:09,232 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2019-11-20 09:29:09,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:09,260 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2019-11-20 09:29:09,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:29:09,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-20 09:29:09,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:09,262 INFO L225 Difference]: With dead ends: 181 [2019-11-20 09:29:09,262 INFO L226 Difference]: Without dead ends: 108 [2019-11-20 09:29:09,262 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:09,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-20 09:29:09,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-20 09:29:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-20 09:29:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2019-11-20 09:29:09,276 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2019-11-20 09:29:09,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:09,277 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2019-11-20 09:29:09,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:29:09,278 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2019-11-20 09:29:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 09:29:09,281 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:09,281 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:09,282 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:09,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:09,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1091445474, now seen corresponding path program 1 times [2019-11-20 09:29:09,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:09,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226495378] [2019-11-20 09:29:09,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:09,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226495378] [2019-11-20 09:29:09,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:09,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 09:29:09,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377058149] [2019-11-20 09:29:09,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 09:29:09,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:09,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 09:29:09,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:29:09,422 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 6 states. [2019-11-20 09:29:09,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:09,657 INFO L93 Difference]: Finished difference Result 405 states and 539 transitions. [2019-11-20 09:29:09,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 09:29:09,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-20 09:29:09,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:09,659 INFO L225 Difference]: With dead ends: 405 [2019-11-20 09:29:09,660 INFO L226 Difference]: Without dead ends: 332 [2019-11-20 09:29:09,660 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 09:29:09,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-11-20 09:29:09,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 153. [2019-11-20 09:29:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-20 09:29:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 196 transitions. [2019-11-20 09:29:09,689 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 196 transitions. Word has length 35 [2019-11-20 09:29:09,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:09,689 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 196 transitions. [2019-11-20 09:29:09,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 09:29:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 196 transitions. [2019-11-20 09:29:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 09:29:09,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:09,698 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:09,698 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:09,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:09,698 INFO L82 PathProgramCache]: Analyzing trace with hash -365209503, now seen corresponding path program 1 times [2019-11-20 09:29:09,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:09,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571512033] [2019-11-20 09:29:09,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:09,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571512033] [2019-11-20 09:29:09,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429703147] [2019-11-20 09:29:09,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:29:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:09,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 09:29:09,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:29:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:10,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 09:29:10,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-20 09:29:10,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353473354] [2019-11-20 09:29:10,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 09:29:10,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:10,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 09:29:10,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:29:10,005 INFO L87 Difference]: Start difference. First operand 153 states and 196 transitions. Second operand 8 states. [2019-11-20 09:29:10,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:10,166 INFO L93 Difference]: Finished difference Result 308 states and 411 transitions. [2019-11-20 09:29:10,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 09:29:10,166 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-11-20 09:29:10,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:10,167 INFO L225 Difference]: With dead ends: 308 [2019-11-20 09:29:10,167 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:29:10,168 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-20 09:29:10,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:29:10,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:29:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:29:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:29:10,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-11-20 09:29:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:10,169 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:29:10,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 09:29:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:29:10,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:29:10,374 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:29:10,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:29:11,077 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2019-11-20 09:29:11,381 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2019-11-20 09:29:11,491 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2019-11-20 09:29:11,687 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2019-11-20 09:29:11,908 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2019-11-20 09:29:12,042 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 21 [2019-11-20 09:29:12,213 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2019-11-20 09:29:12,428 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2019-11-20 09:29:12,431 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2019-11-20 09:29:12,431 INFO L444 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2019-11-20 09:29:12,431 INFO L440 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: false [2019-11-20 09:29:12,431 INFO L440 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-11-20 09:29:12,432 INFO L440 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-11-20 09:29:12,432 INFO L440 ceAbstractionStarter]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-11-20 09:29:12,432 INFO L440 ceAbstractionStarter]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-11-20 09:29:12,432 INFO L440 ceAbstractionStarter]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-11-20 09:29:12,432 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2019-11-20 09:29:12,432 INFO L444 ceAbstractionStarter]: For program point L533(lines 533 537) no Hoare annotation was computed. [2019-11-20 09:29:12,432 INFO L444 ceAbstractionStarter]: For program point L533-2(lines 527 538) no Hoare annotation was computed. [2019-11-20 09:29:12,432 INFO L444 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2019-11-20 09:29:12,433 INFO L440 ceAbstractionStarter]: At program point L170-1(lines 1 951) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse2 .cse3)) (and .cse2 (and .cse1 (= ~pumpRunning~0 0) .cse3)) (and .cse1 (<= 2 ~waterLevel~0) .cse2 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2019-11-20 09:29:12,433 INFO L444 ceAbstractionStarter]: For program point L170-2(lines 170 187) no Hoare annotation was computed. [2019-11-20 09:29:12,433 INFO L440 ceAbstractionStarter]: At program point L170-3(lines 1 951) the Hoare annotation is: false [2019-11-20 09:29:12,433 INFO L444 ceAbstractionStarter]: For program point L170-4(lines 170 187) no Hoare annotation was computed. [2019-11-20 09:29:12,433 INFO L440 ceAbstractionStarter]: At program point L170-5(lines 1 951) the Hoare annotation is: false [2019-11-20 09:29:12,433 INFO L440 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2019-11-20 09:29:12,433 INFO L444 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-11-20 09:29:12,433 INFO L444 ceAbstractionStarter]: For program point L174(lines 174 184) no Hoare annotation was computed. [2019-11-20 09:29:12,434 INFO L444 ceAbstractionStarter]: For program point L174-2(lines 174 184) no Hoare annotation was computed. [2019-11-20 09:29:12,434 INFO L444 ceAbstractionStarter]: For program point L174-4(lines 174 184) no Hoare annotation was computed. [2019-11-20 09:29:12,434 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2019-11-20 09:29:12,434 INFO L444 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-11-20 09:29:12,434 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-11-20 09:29:12,434 INFO L444 ceAbstractionStarter]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2019-11-20 09:29:12,434 INFO L444 ceAbstractionStarter]: For program point L175-2(lines 175 181) no Hoare annotation was computed. [2019-11-20 09:29:12,434 INFO L444 ceAbstractionStarter]: For program point L175-4(lines 175 181) no Hoare annotation was computed. [2019-11-20 09:29:12,434 INFO L444 ceAbstractionStarter]: For program point L374(lines 374 391) no Hoare annotation was computed. [2019-11-20 09:29:12,435 INFO L444 ceAbstractionStarter]: For program point L374-1(lines 374 391) no Hoare annotation was computed. [2019-11-20 09:29:12,435 INFO L444 ceAbstractionStarter]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2019-11-20 09:29:12,435 INFO L444 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-20 09:29:12,435 INFO L444 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-11-20 09:29:12,435 INFO L440 ceAbstractionStarter]: At program point L507-1(lines 507 513) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse2 .cse3)) (and .cse2 (and .cse1 (= ~pumpRunning~0 0) .cse3)) (and .cse0 (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3)))) [2019-11-20 09:29:12,435 INFO L440 ceAbstractionStarter]: At program point L574(lines 1 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 09:29:12,435 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,435 INFO L444 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,436 INFO L444 ceAbstractionStarter]: For program point L476-3(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,436 INFO L444 ceAbstractionStarter]: For program point L476-5(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,436 INFO L444 ceAbstractionStarter]: For program point L476-6(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,436 INFO L444 ceAbstractionStarter]: For program point L476-8(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,436 INFO L444 ceAbstractionStarter]: For program point L476-9(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,436 INFO L444 ceAbstractionStarter]: For program point L476-11(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,436 INFO L444 ceAbstractionStarter]: For program point L476-12(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,436 INFO L444 ceAbstractionStarter]: For program point L476-14(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,436 INFO L444 ceAbstractionStarter]: For program point L476-15(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,437 INFO L444 ceAbstractionStarter]: For program point L476-17(lines 476 480) no Hoare annotation was computed. [2019-11-20 09:29:12,437 INFO L440 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: false [2019-11-20 09:29:12,437 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 386) no Hoare annotation was computed. [2019-11-20 09:29:12,437 INFO L444 ceAbstractionStarter]: For program point L378-1(lines 378 386) no Hoare annotation was computed. [2019-11-20 09:29:12,437 INFO L444 ceAbstractionStarter]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2019-11-20 09:29:12,437 INFO L444 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2019-11-20 09:29:12,437 INFO L447 ceAbstractionStarter]: At program point L281-1(lines 281 288) the Hoare annotation is: true [2019-11-20 09:29:12,437 INFO L440 ceAbstractionStarter]: At program point L149(lines 144 151) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 09:29:12,437 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 365) no Hoare annotation was computed. [2019-11-20 09:29:12,438 INFO L444 ceAbstractionStarter]: For program point L348-1(lines 348 365) no Hoare annotation was computed. [2019-11-20 09:29:12,438 INFO L444 ceAbstractionStarter]: For program point L348-2(lines 348 365) no Hoare annotation was computed. [2019-11-20 09:29:12,438 INFO L444 ceAbstractionStarter]: For program point L348-3(lines 348 365) no Hoare annotation was computed. [2019-11-20 09:29:12,439 INFO L444 ceAbstractionStarter]: For program point L348-4(lines 348 365) no Hoare annotation was computed. [2019-11-20 09:29:12,439 INFO L444 ceAbstractionStarter]: For program point L348-5(lines 348 365) no Hoare annotation was computed. [2019-11-20 09:29:12,440 INFO L440 ceAbstractionStarter]: At program point L316(lines 312 334) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse0 .cse1 .cse2)) (and (and .cse0 (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-11-20 09:29:12,440 INFO L440 ceAbstractionStarter]: At program point L316-1(lines 312 334) the Hoare annotation is: false [2019-11-20 09:29:12,440 INFO L440 ceAbstractionStarter]: At program point L316-2(lines 312 334) the Hoare annotation is: false [2019-11-20 09:29:12,440 INFO L440 ceAbstractionStarter]: At program point L482(lines 467 485) the Hoare annotation is: false [2019-11-20 09:29:12,440 INFO L440 ceAbstractionStarter]: At program point L482-1(lines 467 485) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3))) [2019-11-20 09:29:12,440 INFO L440 ceAbstractionStarter]: At program point L482-2(lines 467 485) the Hoare annotation is: false [2019-11-20 09:29:12,441 INFO L440 ceAbstractionStarter]: At program point L482-3(lines 467 485) the Hoare annotation is: false [2019-11-20 09:29:12,441 INFO L440 ceAbstractionStarter]: At program point L482-4(lines 467 485) the Hoare annotation is: false [2019-11-20 09:29:12,441 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:29:12,441 INFO L440 ceAbstractionStarter]: At program point L482-5(lines 467 485) the Hoare annotation is: false [2019-11-20 09:29:12,441 INFO L444 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-20 09:29:12,441 INFO L444 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-20 09:29:12,442 INFO L444 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-20 09:29:12,442 INFO L440 ceAbstractionStarter]: At program point L582(lines 577 585) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 09:29:12,442 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2019-11-20 09:29:12,442 INFO L440 ceAbstractionStarter]: At program point L517-1(lines 517 523) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse2 .cse3)) (and .cse2 (and .cse1 (= ~pumpRunning~0 0) .cse3)) (and .cse0 (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3)))) [2019-11-20 09:29:12,442 INFO L440 ceAbstractionStarter]: At program point L418(lines 411 421) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:12,443 INFO L440 ceAbstractionStarter]: At program point L418-1(lines 411 421) the Hoare annotation is: false [2019-11-20 09:29:12,443 INFO L444 ceAbstractionStarter]: For program point L352(lines 352 360) no Hoare annotation was computed. [2019-11-20 09:29:12,443 INFO L440 ceAbstractionStarter]: At program point L418-2(lines 411 421) the Hoare annotation is: false [2019-11-20 09:29:12,443 INFO L444 ceAbstractionStarter]: For program point L352-1(lines 352 360) no Hoare annotation was computed. [2019-11-20 09:29:12,443 INFO L444 ceAbstractionStarter]: For program point L352-2(lines 352 360) no Hoare annotation was computed. [2019-11-20 09:29:12,443 INFO L440 ceAbstractionStarter]: At program point L253(lines 249 255) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 09:29:12,444 INFO L444 ceAbstractionStarter]: For program point L352-3(lines 352 360) no Hoare annotation was computed. [2019-11-20 09:29:12,444 INFO L444 ceAbstractionStarter]: For program point L352-4(lines 352 360) no Hoare annotation was computed. [2019-11-20 09:29:12,444 INFO L444 ceAbstractionStarter]: For program point L352-5(lines 352 360) no Hoare annotation was computed. [2019-11-20 09:29:12,444 INFO L440 ceAbstractionStarter]: At program point L122(lines 117 125) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-11-20 09:29:12,444 INFO L440 ceAbstractionStarter]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2019-11-20 09:29:12,445 INFO L440 ceAbstractionStarter]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2019-11-20 09:29:12,445 INFO L440 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (and (= 1 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:12,445 INFO L440 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-11-20 09:29:12,445 INFO L440 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-11-20 09:29:12,445 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:29:12,445 INFO L440 ceAbstractionStarter]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse0 .cse1 .cse2)) (and (and .cse0 (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-11-20 09:29:12,446 INFO L440 ceAbstractionStarter]: At program point L323-1(lines 323 329) the Hoare annotation is: false [2019-11-20 09:29:12,446 INFO L447 ceAbstractionStarter]: At program point L290(lines 271 293) the Hoare annotation is: true [2019-11-20 09:29:12,446 INFO L440 ceAbstractionStarter]: At program point L323-2(lines 323 329) the Hoare annotation is: false [2019-11-20 09:29:12,446 INFO L440 ceAbstractionStarter]: At program point L159(lines 316 322) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (and .cse1 .cse0 .cse2)))) [2019-11-20 09:29:12,446 INFO L440 ceAbstractionStarter]: At program point L159-1(lines 316 322) the Hoare annotation is: false [2019-11-20 09:29:12,447 INFO L440 ceAbstractionStarter]: At program point L159-2(lines 316 322) the Hoare annotation is: false [2019-11-20 09:29:12,447 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:29:12,447 INFO L440 ceAbstractionStarter]: At program point L427(lines 422 430) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1))) (or (and .cse0 (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse3 .cse4 (and .cse1 .cse0 .cse2)) (and (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2) .cse3 .cse4))) [2019-11-20 09:29:12,447 INFO L440 ceAbstractionStarter]: At program point L427-1(lines 422 430) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-20 09:29:12,448 INFO L440 ceAbstractionStarter]: At program point L427-2(lines 422 430) the Hoare annotation is: false [2019-11-20 09:29:12,448 INFO L440 ceAbstractionStarter]: At program point L427-3(lines 422 430) the Hoare annotation is: false [2019-11-20 09:29:12,448 INFO L440 ceAbstractionStarter]: At program point L427-4(lines 422 430) the Hoare annotation is: false [2019-11-20 09:29:12,448 INFO L440 ceAbstractionStarter]: At program point L427-5(lines 422 430) the Hoare annotation is: false [2019-11-20 09:29:12,448 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-20 09:29:12,448 INFO L444 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-20 09:29:12,448 INFO L444 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-11-20 09:29:12,449 INFO L444 ceAbstractionStarter]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-11-20 09:29:12,449 INFO L444 ceAbstractionStarter]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-11-20 09:29:12,449 INFO L444 ceAbstractionStarter]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-11-20 09:29:12,449 INFO L444 ceAbstractionStarter]: For program point L527(lines 527 538) no Hoare annotation was computed. [2019-11-20 09:29:12,449 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-20 09:29:12,449 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 09:29:12,450 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2019-11-20 09:29:12,450 INFO L444 ceAbstractionStarter]: For program point L299(line 299) no Hoare annotation was computed. [2019-11-20 09:29:12,450 INFO L444 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-11-20 09:29:12,450 INFO L444 ceAbstractionStarter]: For program point L299-2(line 299) no Hoare annotation was computed. [2019-11-20 09:29:12,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:29:12 BoogieIcfgContainer [2019-11-20 09:29:12,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:29:12,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:29:12,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:29:12,506 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:29:12,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:07" (3/4) ... [2019-11-20 09:29:12,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:29:12,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 09:29:12,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 09:29:12,551 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 09:29:12,553 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 09:29:12,554 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:29:12,555 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 09:29:12,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-20 09:29:12,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 09:29:12,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 09:29:12,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) [2019-11-20 09:29:12,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 09:29:12,588 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 09:29:12,588 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 09:29:12,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-20 09:29:12,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-20 09:29:12,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-20 09:29:12,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 09:29:12,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 09:29:12,597 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 09:29:12,710 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6f301bb7-55a9-48f9-aabd-90901abe3d52/bin/uautomizer/witness.graphml [2019-11-20 09:29:12,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:29:12,711 INFO L168 Benchmark]: Toolchain (without parser) took 6457.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 943.4 MB in the beginning and 1.3 GB in the end (delta: -352.9 MB). Peak memory consumption was 350.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:12,711 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:29:12,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:12,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.66 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. [2019-11-20 09:29:12,712 INFO L168 Benchmark]: Boogie Preprocessor took 41.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:12,713 INFO L168 Benchmark]: RCFGBuilder took 814.64 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:12,713 INFO L168 Benchmark]: TraceAbstraction took 4795.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 815.5 MB in the end (delta: 241.1 MB). Peak memory consumption was 314.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:12,714 INFO L168 Benchmark]: Witness Printer took 203.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.5 MB). Free memory was 815.5 MB in the beginning and 1.3 GB in the end (delta: -480.9 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:12,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 533.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.66 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. * Boogie Preprocessor took 41.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 814.64 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4795.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 815.5 MB in the end (delta: 241.1 MB). Peak memory consumption was 314.0 MB. Max. memory is 11.5 GB. * Witness Printer took 203.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.5 MB). Free memory was 815.5 MB in the beginning and 1.3 GB in the end (delta: -480.9 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 299]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 299]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) && \result == 1) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && pumpRunning == 1) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((1 == switchedOnBeforeTS && pumpRunning == 1) && \result == 1) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (pumpRunning == 1 && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Result: SAFE, OverallTime: 4.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, HoareTripleCheckerStatistics: 993 SDtfs, 986 SDslu, 1328 SDs, 0 SdLazy, 238 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred 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, 372 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 120 NumberOfFragments, 623 HoareAnnotationTreeSize, 49 FomulaSimplifications, 20909 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8857 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 27739 SizeOfPredicates, 4 NumberOfNonLiveVariables, 416 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...