./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.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_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/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 84841b0b7c643c254d02f565fa50ff7ee5853434 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:07:12,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:07:12,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:07:12,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:07:12,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:07:12,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:07:12,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:07:12,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:07:12,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:07:12,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:07:12,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:07:12,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:07:12,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:07:12,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:07:12,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:07:12,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:07:12,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:07:12,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:07:12,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:07:12,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:07:12,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:07:12,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:07:12,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:07:12,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:07:12,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:07:12,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:07:12,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:07:12,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:07:12,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:07:12,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:07:12,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:07:12,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:07:12,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:07:12,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:07:12,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:07:12,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:07:12,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:07:12,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:07:12,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:07:12,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:07:12,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:07:12,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:07:12,816 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:07:12,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:07:12,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:07:12,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:07:12,817 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:07:12,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:07:12,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:07:12,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:07:12,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:07:12,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:07:12,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:07:12,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:07:12,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:07:12,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:07:12,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:07:12,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:07:12,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:07:12,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:07:12,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:07:12,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:07:12,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:07:12,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:07:12,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:07:12,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:07:12,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:07:12,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:07:12,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:07:12,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:07:12,822 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_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/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 -> 84841b0b7c643c254d02f565fa50ff7ee5853434 [2019-11-20 10:07:12,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:07:12,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:07:12,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:07:12,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:07:12,973 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:07:12,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-11-20 10:07:13,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/data/1e76935c0/20c642e5de4e4b43bc6e5c0b2bf2fe06/FLAGdf411e6f3 [2019-11-20 10:07:13,458 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:07:13,459 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-11-20 10:07:13,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/data/1e76935c0/20c642e5de4e4b43bc6e5c0b2bf2fe06/FLAGdf411e6f3 [2019-11-20 10:07:13,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/data/1e76935c0/20c642e5de4e4b43bc6e5c0b2bf2fe06 [2019-11-20 10:07:13,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:07:13,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:07:13,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:07:13,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:07:13,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:07:13,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:07:13" (1/1) ... [2019-11-20 10:07:13,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0d266d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:13, skipping insertion in model container [2019-11-20 10:07:13,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:07:13" (1/1) ... [2019-11-20 10:07:13,874 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:07:13,932 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:07:14,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:07:14,316 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:07:14,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:07:14,417 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:07:14,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14 WrapperNode [2019-11-20 10:07:14,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:07:14,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:07:14,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:07:14,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:07:14,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... [2019-11-20 10:07:14,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... [2019-11-20 10:07:14,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:07:14,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:07:14,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:07:14,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:07:14,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... [2019-11-20 10:07:14,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... [2019-11-20 10:07:14,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... [2019-11-20 10:07:14,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... [2019-11-20 10:07:14,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... [2019-11-20 10:07:14,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... [2019-11-20 10:07:14,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... [2019-11-20 10:07:14,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:07:14,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:07:14,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:07:14,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:07:14,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/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 10:07:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:07:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:07:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:07:14,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:07:15,371 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:07:15,372 INFO L285 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-20 10:07:15,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:07:15 BoogieIcfgContainer [2019-11-20 10:07:15,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:07:15,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:07:15,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:07:15,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:07:15,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:07:13" (1/3) ... [2019-11-20 10:07:15,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f4773a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:07:15, skipping insertion in model container [2019-11-20 10:07:15,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:14" (2/3) ... [2019-11-20 10:07:15,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f4773a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:07:15, skipping insertion in model container [2019-11-20 10:07:15,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:07:15" (3/3) ... [2019-11-20 10:07:15,381 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2019-11-20 10:07:15,390 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:07:15,396 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 10:07:15,406 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 10:07:15,429 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:07:15,429 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:07:15,429 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:07:15,430 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:07:15,430 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:07:15,430 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:07:15,430 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:07:15,430 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:07:15,445 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-11-20 10:07:15,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:07:15,450 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:07:15,451 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:07:15,452 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:07:15,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:15,457 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2019-11-20 10:07:15,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:15,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030692973] [2019-11-20 10:07:15,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:07:15,747 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 10:07:15,748 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030692973] [2019-11-20 10:07:15,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:07:15,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:07:15,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705302475] [2019-11-20 10:07:15,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:07:15,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:07:15,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:07:15,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:07:15,770 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-11-20 10:07:15,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:07:15,796 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-11-20 10:07:15,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:07:15,798 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 10:07:15,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:07:15,808 INFO L225 Difference]: With dead ends: 148 [2019-11-20 10:07:15,808 INFO L226 Difference]: Without dead ends: 73 [2019-11-20 10:07:15,811 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 10:07:15,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-20 10:07:15,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-20 10:07:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-20 10:07:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-11-20 10:07:15,851 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-11-20 10:07:15,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:07:15,851 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-20 10:07:15,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:07:15,852 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-11-20 10:07:15,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:07:15,853 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:07:15,853 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:07:15,853 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:07:15,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:15,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2019-11-20 10:07:15,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:15,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472674023] [2019-11-20 10:07:15,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:07:15,955 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 10:07:15,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472674023] [2019-11-20 10:07:15,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:07:15,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:07:15,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10542170] [2019-11-20 10:07:15,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:07:15,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:07:15,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:07:15,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:07:15,958 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-11-20 10:07:15,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:07:15,970 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-11-20 10:07:15,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:07:15,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 10:07:15,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:07:15,972 INFO L225 Difference]: With dead ends: 73 [2019-11-20 10:07:15,972 INFO L226 Difference]: Without dead ends: 35 [2019-11-20 10:07:15,974 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 10:07:15,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-20 10:07:15,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-20 10:07:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-20 10:07:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-11-20 10:07:15,979 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-11-20 10:07:15,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:07:15,979 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-11-20 10:07:15,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:07:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-11-20 10:07:15,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 10:07:15,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:07:15,981 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] [2019-11-20 10:07:15,981 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:07:15,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:15,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2019-11-20 10:07:15,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:15,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372809813] [2019-11-20 10:07:15,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:07:16,110 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 10:07:16,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372809813] [2019-11-20 10:07:16,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:07:16,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:07:16,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102578343] [2019-11-20 10:07:16,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:07:16,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:07:16,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:07:16,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:07:16,112 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-11-20 10:07:16,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:07:16,205 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-11-20 10:07:16,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:07:16,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-20 10:07:16,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:07:16,207 INFO L225 Difference]: With dead ends: 87 [2019-11-20 10:07:16,207 INFO L226 Difference]: Without dead ends: 58 [2019-11-20 10:07:16,208 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:07:16,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-11-20 10:07:16,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2019-11-20 10:07:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-20 10:07:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-11-20 10:07:16,218 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-11-20 10:07:16,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:07:16,219 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-11-20 10:07:16,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:07:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-11-20 10:07:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 10:07:16,220 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:07:16,220 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] [2019-11-20 10:07:16,220 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:07:16,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:16,221 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2019-11-20 10:07:16,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:16,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694030626] [2019-11-20 10:07:16,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:07:16,326 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 10:07:16,327 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694030626] [2019-11-20 10:07:16,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:07:16,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:07:16,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786657205] [2019-11-20 10:07:16,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:07:16,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:07:16,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:07:16,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:07:16,329 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2019-11-20 10:07:16,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:07:16,453 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2019-11-20 10:07:16,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 10:07:16,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 10:07:16,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:07:16,456 INFO L225 Difference]: With dead ends: 256 [2019-11-20 10:07:16,456 INFO L226 Difference]: Without dead ends: 208 [2019-11-20 10:07:16,457 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 10:07:16,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-11-20 10:07:16,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2019-11-20 10:07:16,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-20 10:07:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2019-11-20 10:07:16,473 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2019-11-20 10:07:16,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:07:16,473 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2019-11-20 10:07:16,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:07:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2019-11-20 10:07:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 10:07:16,475 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:07:16,475 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 10:07:16,475 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:07:16,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:16,476 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2019-11-20 10:07:16,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:16,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548707621] [2019-11-20 10:07:16,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:07:16,565 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 10:07:16,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548707621] [2019-11-20 10:07:16,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:07:16,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:07:16,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793269901] [2019-11-20 10:07:16,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:07:16,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:07:16,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:07:16,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:07:16,567 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand 5 states. [2019-11-20 10:07:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:07:16,645 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2019-11-20 10:07:16,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:07:16,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 10:07:16,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:07:16,646 INFO L225 Difference]: With dead ends: 286 [2019-11-20 10:07:16,646 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:07:16,648 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 10:07:16,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:07:16,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:07:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:07:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:07:16,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-11-20 10:07:16,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:07:16,650 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:07:16,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:07:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:07:16,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:07:16,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:07:17,111 INFO L444 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-11-20 10:07:17,111 INFO L444 ceAbstractionStarter]: For program point L861-1(lines 596 602) no Hoare annotation was computed. [2019-11-20 10:07:17,111 INFO L444 ceAbstractionStarter]: For program point L762(lines 762 768) no Hoare annotation was computed. [2019-11-20 10:07:17,111 INFO L440 ceAbstractionStarter]: At program point L762-1(lines 762 768) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:07:17,112 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 10:07:17,112 INFO L440 ceAbstractionStarter]: At program point L465(lines 460 468) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:07:17,112 INFO L440 ceAbstractionStarter]: At program point L465-1(lines 460 468) the Hoare annotation is: false [2019-11-20 10:07:17,112 INFO L440 ceAbstractionStarter]: At program point L465-2(lines 460 468) the Hoare annotation is: false [2019-11-20 10:07:17,112 INFO L444 ceAbstractionStarter]: For program point L928(lines 928 935) no Hoare annotation was computed. [2019-11-20 10:07:17,112 INFO L447 ceAbstractionStarter]: At program point L928-1(lines 928 935) the Hoare annotation is: true [2019-11-20 10:07:17,112 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:07:17,113 INFO L444 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-11-20 10:07:17,113 INFO L444 ceAbstractionStarter]: For program point L632-1(lines 632 640) no Hoare annotation was computed. [2019-11-20 10:07:17,113 INFO L444 ceAbstractionStarter]: For program point L632-2(lines 632 640) no Hoare annotation was computed. [2019-11-20 10:07:17,113 INFO L444 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2019-11-20 10:07:17,113 INFO L444 ceAbstractionStarter]: For program point L748-2(lines 748 752) no Hoare annotation was computed. [2019-11-20 10:07:17,113 INFO L444 ceAbstractionStarter]: For program point L748-3(lines 748 752) no Hoare annotation was computed. [2019-11-20 10:07:17,113 INFO L444 ceAbstractionStarter]: For program point L748-5(lines 748 752) no Hoare annotation was computed. [2019-11-20 10:07:17,114 INFO L444 ceAbstractionStarter]: For program point L748-6(lines 748 752) no Hoare annotation was computed. [2019-11-20 10:07:17,114 INFO L444 ceAbstractionStarter]: For program point L748-8(lines 748 752) no Hoare annotation was computed. [2019-11-20 10:07:17,114 INFO L440 ceAbstractionStarter]: At program point L699(lines 694 702) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:07:17,114 INFO L440 ceAbstractionStarter]: At program point L699-1(lines 694 702) the Hoare annotation is: false [2019-11-20 10:07:17,114 INFO L440 ceAbstractionStarter]: At program point L699-2(lines 694 702) the Hoare annotation is: false [2019-11-20 10:07:17,114 INFO L444 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-11-20 10:07:17,114 INFO L444 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2019-11-20 10:07:17,115 INFO L440 ceAbstractionStarter]: At program point L535-1(lines 535 541) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:07:17,115 INFO L440 ceAbstractionStarter]: At program point L833(lines 1 940) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 10:07:17,115 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:07:17,115 INFO L440 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:07:17,115 INFO L440 ceAbstractionStarter]: At program point L603-1(lines 603 609) the Hoare annotation is: false [2019-11-20 10:07:17,115 INFO L440 ceAbstractionStarter]: At program point L603-2(lines 603 609) the Hoare annotation is: false [2019-11-20 10:07:17,116 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 10:07:17,116 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 570) no Hoare annotation was computed. [2019-11-20 10:07:17,116 INFO L440 ceAbstractionStarter]: At program point L506(lines 501 509) the Hoare annotation is: false [2019-11-20 10:07:17,116 INFO L440 ceAbstractionStarter]: At program point L506-1(lines 501 509) the Hoare annotation is: false [2019-11-20 10:07:17,116 INFO L444 ceAbstractionStarter]: For program point L440(lines 440 444) no Hoare annotation was computed. [2019-11-20 10:07:17,116 INFO L440 ceAbstractionStarter]: At program point L506-2(lines 501 509) the Hoare annotation is: false [2019-11-20 10:07:17,116 INFO L440 ceAbstractionStarter]: At program point L754(lines 739 757) the Hoare annotation is: false [2019-11-20 10:07:17,117 INFO L440 ceAbstractionStarter]: At program point L754-1(lines 739 757) the Hoare annotation is: false [2019-11-20 10:07:17,117 INFO L440 ceAbstractionStarter]: At program point L754-2(lines 739 757) the Hoare annotation is: false [2019-11-20 10:07:17,117 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-20 10:07:17,117 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-20 10:07:17,117 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-20 10:07:17,117 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:07:17,117 INFO L447 ceAbstractionStarter]: At program point L937(lines 918 940) the Hoare annotation is: true [2019-11-20 10:07:17,121 INFO L440 ceAbstractionStarter]: At program point L905(lines 901 907) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 10:07:17,121 INFO L440 ceAbstractionStarter]: At program point L575(lines 524 576) the Hoare annotation is: false [2019-11-20 10:07:17,121 INFO L444 ceAbstractionStarter]: For program point L790(lines 790 803) no Hoare annotation was computed. [2019-11-20 10:07:17,122 INFO L440 ceAbstractionStarter]: At program point L790-1(lines 1 940) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:07:17,122 INFO L444 ceAbstractionStarter]: For program point L790-2(lines 790 803) no Hoare annotation was computed. [2019-11-20 10:07:17,128 INFO L440 ceAbstractionStarter]: At program point L790-3(lines 1 940) the Hoare annotation is: false [2019-11-20 10:07:17,129 INFO L444 ceAbstractionStarter]: For program point L790-4(lines 790 803) no Hoare annotation was computed. [2019-11-20 10:07:17,129 INFO L440 ceAbstractionStarter]: At program point L790-5(lines 1 940) the Hoare annotation is: false [2019-11-20 10:07:17,129 INFO L444 ceAbstractionStarter]: For program point L526(lines 525 574) no Hoare annotation was computed. [2019-11-20 10:07:17,129 INFO L440 ceAbstractionStarter]: At program point L857-2(lines 857 871) the Hoare annotation is: false [2019-11-20 10:07:17,129 INFO L444 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2019-11-20 10:07:17,130 INFO L444 ceAbstractionStarter]: For program point L428(lines 428 432) no Hoare annotation was computed. [2019-11-20 10:07:17,130 INFO L440 ceAbstractionStarter]: At program point L841(lines 836 844) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 10:07:17,130 INFO L444 ceAbstractionStarter]: For program point L428-3(lines 428 432) no Hoare annotation was computed. [2019-11-20 10:07:17,131 INFO L444 ceAbstractionStarter]: For program point L428-6(lines 428 432) no Hoare annotation was computed. [2019-11-20 10:07:17,131 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:07:17,131 INFO L444 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-11-20 10:07:17,131 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 10:07:17,132 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-11-20 10:07:17,132 INFO L440 ceAbstractionStarter]: At program point L545-1(lines 545 551) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:07:17,132 INFO L444 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2019-11-20 10:07:17,132 INFO L444 ceAbstractionStarter]: For program point L628-1(lines 628 645) no Hoare annotation was computed. [2019-11-20 10:07:17,132 INFO L444 ceAbstractionStarter]: For program point L628-2(lines 628 645) no Hoare annotation was computed. [2019-11-20 10:07:17,133 INFO L444 ceAbstractionStarter]: For program point L794(lines 794 800) no Hoare annotation was computed. [2019-11-20 10:07:17,133 INFO L444 ceAbstractionStarter]: For program point L794-2(lines 794 800) no Hoare annotation was computed. [2019-11-20 10:07:17,133 INFO L444 ceAbstractionStarter]: For program point L794-4(lines 794 800) no Hoare annotation was computed. [2019-11-20 10:07:17,133 INFO L440 ceAbstractionStarter]: At program point L596(lines 595 614) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:07:17,133 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2019-11-20 10:07:17,133 INFO L444 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-11-20 10:07:17,134 INFO L440 ceAbstractionStarter]: At program point L563-1(lines 596 602) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~8) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:07:17,134 INFO L440 ceAbstractionStarter]: At program point L596-2(lines 595 614) the Hoare annotation is: false [2019-11-20 10:07:17,135 INFO L440 ceAbstractionStarter]: At program point L596-3(lines 595 614) the Hoare annotation is: false [2019-11-20 10:07:17,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:07:17 BoogieIcfgContainer [2019-11-20 10:07:17,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:07:17,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:07:17,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:07:17,177 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:07:17,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:07:15" (3/4) ... [2019-11-20 10:07:17,180 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:07:17,205 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 10:07:17,206 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 10:07:17,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 10:07:17,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:07:17,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:07:17,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:07:17,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) [2019-11-20 10:07:17,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-20 10:07:17,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 10:07:17,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 10:07:17,259 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 10:07:17,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 10:07:17,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 10:07:17,261 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 10:07:17,261 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 10:07:17,263 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 10:07:17,264 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 10:07:17,347 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_59412a0e-f192-4cea-9ba0-e7c7fbbc3e7f/bin/uautomizer/witness.graphml [2019-11-20 10:07:17,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:07:17,350 INFO L168 Benchmark]: Toolchain (without parser) took 3500.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.3 MB in the beginning and 899.7 MB in the end (delta: 39.7 MB). Peak memory consumption was 178.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:17,350 INFO L168 Benchmark]: CDTParser took 0.19 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 10:07:17,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 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 10:07:17,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.59 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:17,352 INFO L168 Benchmark]: Boogie Preprocessor took 54.77 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 10:07:17,352 INFO L168 Benchmark]: RCFGBuilder took 842.19 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:17,353 INFO L168 Benchmark]: TraceAbstraction took 1801.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.4 MB in the end (delta: 145.9 MB). Peak memory consumption was 145.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:17,353 INFO L168 Benchmark]: Witness Printer took 171.76 ms. Allocated memory is still 1.2 GB. Free memory was 910.4 MB in the beginning and 899.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:07:17,356 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 563.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 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 57.59 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 842.19 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1801.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.4 MB in the end (delta: 145.9 MB). Peak memory consumption was 145.9 MB. Max. memory is 11.5 GB. * Witness Printer took 171.76 ms. Allocated memory is still 1.2 GB. Free memory was 910.4 MB in the beginning and 899.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 331 SDtfs, 509 SDslu, 328 SDs, 0 SdLazy, 49 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, 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, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 183 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4093 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...