./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.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_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 05:31:22,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:31:22,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:31:22,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:31:22,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:31:22,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:31:22,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:31:22,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:31:22,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:31:22,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:31:22,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:31:22,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:31:22,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:31:22,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:31:22,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:31:22,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:31:22,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:31:22,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:31:22,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:31:22,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:31:22,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:31:22,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:31:22,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:31:22,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:31:22,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:31:22,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:31:22,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:31:22,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:31:22,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:31:22,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:31:22,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:31:22,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:31:22,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:31:22,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:31:22,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:31:22,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:31:22,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:31:22,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:31:22,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:31:22,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:31:22,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:31:22,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:31:23,011 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:31:23,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:31:23,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:31:23,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:31:23,013 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:31:23,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:31:23,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:31:23,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:31:23,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:31:23,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:31:23,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:31:23,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:31:23,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:31:23,015 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:31:23,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:31:23,015 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:31:23,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:31:23,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:31:23,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:31:23,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:31:23,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:31:23,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:31:23,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:31:23,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:31:23,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:31:23,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:31:23,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:31:23,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:31:23,017 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_59082295-e80d-4e3e-b1a0-7526898238e5/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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2019-11-20 05:31:23,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:31:23,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:31:23,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:31:23,188 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:31:23,188 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:31:23,190 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-11-20 05:31:23,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/data/be029915e/f55f942e52504a8b9cfecfb4d55e1809/FLAG7ac8ae47e [2019-11-20 05:31:23,686 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:31:23,687 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-11-20 05:31:23,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/data/be029915e/f55f942e52504a8b9cfecfb4d55e1809/FLAG7ac8ae47e [2019-11-20 05:31:24,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/data/be029915e/f55f942e52504a8b9cfecfb4d55e1809 [2019-11-20 05:31:24,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:31:24,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:31:24,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:31:24,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:31:24,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:31:24,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ed8bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24, skipping insertion in model container [2019-11-20 05:31:24,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,229 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:31:24,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:31:24,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:31:24,601 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:31:24,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:31:24,717 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:31:24,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24 WrapperNode [2019-11-20 05:31:24,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:31:24,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:31:24,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:31:24,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:31:24,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:31:24,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:31:24,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:31:24,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:31:24,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... [2019-11-20 05:31:24,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:31:24,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:31:24,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:31:24,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:31:24,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/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 05:31:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:31:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 05:31:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:31:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:31:25,692 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:31:25,692 INFO L285 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-20 05:31:25,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:31:25 BoogieIcfgContainer [2019-11-20 05:31:25,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:31:25,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:31:25,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:31:25,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:31:25,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:31:24" (1/3) ... [2019-11-20 05:31:25,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e36efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:31:25, skipping insertion in model container [2019-11-20 05:31:25,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:24" (2/3) ... [2019-11-20 05:31:25,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e36efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:31:25, skipping insertion in model container [2019-11-20 05:31:25,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:31:25" (3/3) ... [2019-11-20 05:31:25,706 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2019-11-20 05:31:25,715 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:31:25,724 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 05:31:25,735 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 05:31:25,763 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:31:25,763 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:31:25,764 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:31:25,764 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:31:25,766 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:31:25,766 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:31:25,766 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:31:25,766 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:31:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2019-11-20 05:31:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 05:31:25,787 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:31:25,788 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:31:25,788 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:31:25,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:31:25,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1295986076, now seen corresponding path program 1 times [2019-11-20 05:31:25,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:31:25,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705846393] [2019-11-20 05:31:25,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:31:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:31:25,999 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 05:31:26,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705846393] [2019-11-20 05:31:26,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:31:26,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:31:26,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829170816] [2019-11-20 05:31:26,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:31:26,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:31:26,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:31:26,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:31:26,021 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2019-11-20 05:31:26,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:31:26,052 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2019-11-20 05:31:26,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:31:26,054 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-20 05:31:26,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:31:26,067 INFO L225 Difference]: With dead ends: 139 [2019-11-20 05:31:26,068 INFO L226 Difference]: Without dead ends: 69 [2019-11-20 05:31:26,073 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 05:31:26,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-20 05:31:26,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-11-20 05:31:26,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-20 05:31:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2019-11-20 05:31:26,118 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2019-11-20 05:31:26,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:31:26,118 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2019-11-20 05:31:26,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:31:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2019-11-20 05:31:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 05:31:26,119 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:31:26,120 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 05:31:26,120 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:31:26,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:31:26,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1514822045, now seen corresponding path program 1 times [2019-11-20 05:31:26,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:31:26,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374546362] [2019-11-20 05:31:26,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:31:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:31:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:31:26,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374546362] [2019-11-20 05:31:26,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:31:26,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:31:26,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646756975] [2019-11-20 05:31:26,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:31:26,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:31:26,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:31:26,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:31:26,222 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 3 states. [2019-11-20 05:31:26,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:31:26,232 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2019-11-20 05:31:26,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:31:26,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-20 05:31:26,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:31:26,233 INFO L225 Difference]: With dead ends: 69 [2019-11-20 05:31:26,233 INFO L226 Difference]: Without dead ends: 33 [2019-11-20 05:31:26,234 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 05:31:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-20 05:31:26,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-20 05:31:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 05:31:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-20 05:31:26,239 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-11-20 05:31:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:31:26,240 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-20 05:31:26,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:31:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-20 05:31:26,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:31:26,241 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:31:26,241 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] [2019-11-20 05:31:26,241 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:31:26,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:31:26,242 INFO L82 PathProgramCache]: Analyzing trace with hash 2139510839, now seen corresponding path program 1 times [2019-11-20 05:31:26,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:31:26,242 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000275182] [2019-11-20 05:31:26,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:31:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:31:26,391 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 05:31:26,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000275182] [2019-11-20 05:31:26,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:31:26,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:31:26,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259130892] [2019-11-20 05:31:26,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:31:26,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:31:26,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:31:26,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:31:26,394 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2019-11-20 05:31:26,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:31:26,449 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2019-11-20 05:31:26,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:31:26,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 05:31:26,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:31:26,451 INFO L225 Difference]: With dead ends: 59 [2019-11-20 05:31:26,451 INFO L226 Difference]: Without dead ends: 33 [2019-11-20 05:31:26,452 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 05:31:26,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-20 05:31:26,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-20 05:31:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 05:31:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-20 05:31:26,462 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-11-20 05:31:26,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:31:26,462 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-20 05:31:26,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:31:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-20 05:31:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 05:31:26,465 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:31:26,465 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] [2019-11-20 05:31:26,466 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:31:26,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:31:26,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1832014585, now seen corresponding path program 1 times [2019-11-20 05:31:26,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:31:26,467 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723332877] [2019-11-20 05:31:26,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:31:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:31:26,575 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 05:31:26,575 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723332877] [2019-11-20 05:31:26,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:31:26,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:31:26,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305487850] [2019-11-20 05:31:26,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:31:26,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:31:26,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:31:26,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:31:26,577 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-11-20 05:31:26,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:31:26,737 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2019-11-20 05:31:26,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 05:31:26,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-20 05:31:26,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:31:26,740 INFO L225 Difference]: With dead ends: 135 [2019-11-20 05:31:26,740 INFO L226 Difference]: Without dead ends: 109 [2019-11-20 05:31:26,741 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 05:31:26,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-20 05:31:26,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2019-11-20 05:31:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-20 05:31:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2019-11-20 05:31:26,762 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2019-11-20 05:31:26,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:31:26,763 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2019-11-20 05:31:26,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:31:26,763 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2019-11-20 05:31:26,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:31:26,764 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:31:26,765 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 05:31:26,765 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:31:26,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:31:26,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1937784689, now seen corresponding path program 1 times [2019-11-20 05:31:26,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:31:26,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457677776] [2019-11-20 05:31:26,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:31:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:31:26,864 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 05:31:26,865 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457677776] [2019-11-20 05:31:26,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:31:26,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:31:26,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212624079] [2019-11-20 05:31:26,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:31:26,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:31:26,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:31:26,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:31:26,867 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2019-11-20 05:31:26,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:31:26,943 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2019-11-20 05:31:26,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:31:26,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-20 05:31:26,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:31:26,944 INFO L225 Difference]: With dead ends: 146 [2019-11-20 05:31:26,945 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:31:26,946 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 05:31:26,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:31:26,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:31:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:31:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:31:26,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-11-20 05:31:26,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:31:26,947 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:31:26,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:31:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:31:26,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:31:26,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:31:27,431 INFO L444 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-11-20 05:31:27,432 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-11-20 05:31:27,432 INFO L440 ceAbstractionStarter]: At program point L729-2(lines 757 763) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:31:27,432 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-11-20 05:31:27,432 INFO L444 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-11-20 05:31:27,433 INFO L444 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-11-20 05:31:27,433 INFO L440 ceAbstractionStarter]: At program point L234(lines 230 236) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 05:31:27,433 INFO L440 ceAbstractionStarter]: At program point L168(lines 163 171) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 05:31:27,433 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:31:27,433 INFO L440 ceAbstractionStarter]: At program point L185-2(lines 185 199) the Hoare annotation is: false [2019-11-20 05:31:27,434 INFO L440 ceAbstractionStarter]: At program point L764(lines 764 770) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:31:27,434 INFO L440 ceAbstractionStarter]: At program point L764-1(lines 764 770) the Hoare annotation is: false [2019-11-20 05:31:27,434 INFO L444 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-11-20 05:31:27,434 INFO L440 ceAbstractionStarter]: At program point L764-2(lines 764 770) the Hoare annotation is: false [2019-11-20 05:31:27,434 INFO L447 ceAbstractionStarter]: At program point L269(lines 250 272) the Hoare annotation is: true [2019-11-20 05:31:27,434 INFO L440 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-11-20 05:31:27,435 INFO L440 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:31:27,435 INFO L440 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-11-20 05:31:27,435 INFO L440 ceAbstractionStarter]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-11-20 05:31:27,435 INFO L440 ceAbstractionStarter]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-11-20 05:31:27,435 INFO L440 ceAbstractionStarter]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-11-20 05:31:27,436 INFO L444 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-11-20 05:31:27,436 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-11-20 05:31:27,436 INFO L440 ceAbstractionStarter]: At program point L701-1(lines 701 707) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:31:27,436 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 757 763) no Hoare annotation was computed. [2019-11-20 05:31:27,436 INFO L440 ceAbstractionStarter]: At program point L850(lines 843 853) the Hoare annotation is: false [2019-11-20 05:31:27,436 INFO L440 ceAbstractionStarter]: At program point L850-1(lines 843 853) the Hoare annotation is: false [2019-11-20 05:31:27,437 INFO L440 ceAbstractionStarter]: At program point L850-2(lines 843 853) the Hoare annotation is: false [2019-11-20 05:31:27,437 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:31:27,437 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-11-20 05:31:27,437 INFO L444 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-11-20 05:31:27,437 INFO L444 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2019-11-20 05:31:27,437 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 309) no Hoare annotation was computed. [2019-11-20 05:31:27,438 INFO L440 ceAbstractionStarter]: At program point L292-1(lines 1 906) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:31:27,438 INFO L444 ceAbstractionStarter]: For program point L292-2(lines 292 309) no Hoare annotation was computed. [2019-11-20 05:31:27,438 INFO L440 ceAbstractionStarter]: At program point L292-3(lines 1 906) the Hoare annotation is: false [2019-11-20 05:31:27,438 INFO L440 ceAbstractionStarter]: At program point L160(lines 1 906) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 05:31:27,438 INFO L444 ceAbstractionStarter]: For program point L292-4(lines 292 309) no Hoare annotation was computed. [2019-11-20 05:31:27,438 INFO L440 ceAbstractionStarter]: At program point L292-5(lines 1 906) the Hoare annotation is: false [2019-11-20 05:31:27,439 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:31:27,439 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 267) no Hoare annotation was computed. [2019-11-20 05:31:27,444 INFO L440 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: false [2019-11-20 05:31:27,444 INFO L447 ceAbstractionStarter]: At program point L260-1(lines 260 267) the Hoare annotation is: true [2019-11-20 05:31:27,445 INFO L444 ceAbstractionStarter]: For program point L789(lines 789 806) no Hoare annotation was computed. [2019-11-20 05:31:27,445 INFO L444 ceAbstractionStarter]: For program point L789-1(lines 789 806) no Hoare annotation was computed. [2019-11-20 05:31:27,446 INFO L444 ceAbstractionStarter]: For program point L789-2(lines 789 806) no Hoare annotation was computed. [2019-11-20 05:31:27,446 INFO L440 ceAbstractionStarter]: At program point L757(lines 756 775) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:31:27,446 INFO L444 ceAbstractionStarter]: For program point L757-1(lines 757 763) no Hoare annotation was computed. [2019-11-20 05:31:27,446 INFO L440 ceAbstractionStarter]: At program point L757-2(lines 756 775) the Hoare annotation is: false [2019-11-20 05:31:27,447 INFO L440 ceAbstractionStarter]: At program point L757-3(lines 756 775) the Hoare annotation is: false [2019-11-20 05:31:27,453 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-20 05:31:27,453 INFO L444 ceAbstractionStarter]: For program point L130-1(line 130) no Hoare annotation was computed. [2019-11-20 05:31:27,453 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-20 05:31:27,453 INFO L444 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2019-11-20 05:31:27,454 INFO L444 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2019-11-20 05:31:27,454 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 306) no Hoare annotation was computed. [2019-11-20 05:31:27,454 INFO L444 ceAbstractionStarter]: For program point L296-2(lines 296 306) no Hoare annotation was computed. [2019-11-20 05:31:27,454 INFO L444 ceAbstractionStarter]: For program point L296-4(lines 296 306) no Hoare annotation was computed. [2019-11-20 05:31:27,454 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 05:31:27,454 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-11-20 05:31:27,454 INFO L444 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-11-20 05:31:27,455 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2019-11-20 05:31:27,455 INFO L444 ceAbstractionStarter]: For program point L297-2(lines 297 303) no Hoare annotation was computed. [2019-11-20 05:31:27,455 INFO L444 ceAbstractionStarter]: For program point L297-4(lines 297 303) no Hoare annotation was computed. [2019-11-20 05:31:27,455 INFO L440 ceAbstractionStarter]: At program point L859(lines 854 862) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:31:27,455 INFO L440 ceAbstractionStarter]: At program point L859-1(lines 854 862) the Hoare annotation is: false [2019-11-20 05:31:27,456 INFO L440 ceAbstractionStarter]: At program point L281(lines 276 283) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 05:31:27,456 INFO L444 ceAbstractionStarter]: For program point L793(lines 793 801) no Hoare annotation was computed. [2019-11-20 05:31:27,456 INFO L440 ceAbstractionStarter]: At program point L859-2(lines 854 862) the Hoare annotation is: false [2019-11-20 05:31:27,456 INFO L444 ceAbstractionStarter]: For program point L793-1(lines 793 801) no Hoare annotation was computed. [2019-11-20 05:31:27,456 INFO L444 ceAbstractionStarter]: For program point L793-2(lines 793 801) no Hoare annotation was computed. [2019-11-20 05:31:27,456 INFO L444 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2019-11-20 05:31:27,456 INFO L440 ceAbstractionStarter]: At program point L711-1(lines 711 717) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 05:31:27,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:31:27 BoogieIcfgContainer [2019-11-20 05:31:27,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:31:27,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:31:27,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:31:27,487 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:31:27,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:31:25" (3/4) ... [2019-11-20 05:31:27,491 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:31:27,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 05:31:27,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 05:31:27,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 05:31:27,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 05:31:27,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:31:27,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:31:27,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) [2019-11-20 05:31:27,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-20 05:31:27,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-20 05:31:27,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:31:27,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:31:27,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:31:27,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:31:27,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:31:27,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:31:27,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:31:27,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 05:31:27,587 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_59082295-e80d-4e3e-b1a0-7526898238e5/bin/uautomizer/witness.graphml [2019-11-20 05:31:27,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:31:27,589 INFO L168 Benchmark]: Toolchain (without parser) took 3376.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 899.4 MB in the end (delta: 45.3 MB). Peak memory consumption was 191.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:31:27,590 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:31:27,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:31:27,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.72 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 05:31:27,591 INFO L168 Benchmark]: Boogie Preprocessor took 64.35 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:31:27,591 INFO L168 Benchmark]: RCFGBuilder took 822.59 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:31:27,592 INFO L168 Benchmark]: TraceAbstraction took 1792.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.4 MB in the end (delta: 144.5 MB). Peak memory consumption was 144.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:31:27,592 INFO L168 Benchmark]: Witness Printer took 100.41 ms. Allocated memory is still 1.2 GB. Free memory was 912.4 MB in the beginning and 899.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:31:27,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 504.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.72 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 64.35 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 822.59 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1792.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.4 MB in the end (delta: 144.5 MB). Peak memory consumption was 144.5 MB. Max. memory is 11.5 GB. * Witness Printer took 100.41 ms. Allocated memory is still 1.2 GB. Free memory was 912.4 MB in the beginning and 899.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 130]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 130]: 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: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 301 SDtfs, 352 SDslu, 259 SDs, 0 SdLazy, 60 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 218 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1788 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 176 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...