./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/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 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:02,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:02,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:02,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:02,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:02,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:02,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:02,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:02,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:02,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:02,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:02,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:02,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:02,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:02,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:02,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:02,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:02,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:02,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:02,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:02,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:02,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:02,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:02,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:02,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:02,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:02,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:02,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:02,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:02,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:02,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:02,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:02,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:02,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:02,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:02,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:02,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:02,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:02,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:02,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:02,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:02,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:02,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:02,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:02,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:02,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:02,570 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:02,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:02,571 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:02,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:02,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:02,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:02,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:02,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:02,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:02,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:02,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:02,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:02,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:02,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:02,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:02,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:02,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:02,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:02,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:02,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:02,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:02,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:02,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:02,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:02,574 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/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/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 -> 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 [2019-10-22 09:01:02,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:02,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:02,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:02,621 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:02,622 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:02,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-10-22 09:01:02,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/data/e0d09009e/66191995383e4160b657758e78409710/FLAG57cd6fd8a [2019-10-22 09:01:03,114 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:03,114 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-10-22 09:01:03,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/data/e0d09009e/66191995383e4160b657758e78409710/FLAG57cd6fd8a [2019-10-22 09:01:03,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/data/e0d09009e/66191995383e4160b657758e78409710 [2019-10-22 09:01:03,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:03,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:03,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:03,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:03,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:03,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:03" (1/1) ... [2019-10-22 09:01:03,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4049c4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:03, skipping insertion in model container [2019-10-22 09:01:03,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:03" (1/1) ... [2019-10-22 09:01:03,485 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:03,530 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:03,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:03,889 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:03,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:04,002 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:04,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04 WrapperNode [2019-10-22 09:01:04,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:04,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:04,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:04,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:04,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:04,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:04,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:04,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:04,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:04,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:04,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:04,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:04,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/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 [2019-10-22 09:01:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:01:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:04,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:04,803 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:04,803 INFO L284 CfgBuilder]: Removed 104 assume(true) statements. [2019-10-22 09:01:04,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:04 BoogieIcfgContainer [2019-10-22 09:01:04,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:04,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:04,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:04,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:04,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:03" (1/3) ... [2019-10-22 09:01:04,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517e27e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:04, skipping insertion in model container [2019-10-22 09:01:04,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (2/3) ... [2019-10-22 09:01:04,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517e27e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:04, skipping insertion in model container [2019-10-22 09:01:04,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:04" (3/3) ... [2019-10-22 09:01:04,814 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2019-10-22 09:01:04,822 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:04,829 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:01:04,839 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:01:04,861 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:04,861 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:04,861 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:04,861 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:04,861 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:04,861 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:04,861 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:04,862 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-10-22 09:01:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:01:04,886 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:04,887 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:04,889 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:04,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:04,894 INFO L82 PathProgramCache]: Analyzing trace with hash 2048364516, now seen corresponding path program 1 times [2019-10-22 09:01:04,901 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:04,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41522873] [2019-10-22 09:01:04,902 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:04,902 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:04,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:05,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:05,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41522873] [2019-10-22 09:01:05,087 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:05,087 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:05,088 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602126379] [2019-10-22 09:01:05,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:01:05,093 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:05,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:01:05,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:01:05,107 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-10-22 09:01:05,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:05,133 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2019-10-22 09:01:05,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:01:05,134 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 09:01:05,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:05,143 INFO L225 Difference]: With dead ends: 155 [2019-10-22 09:01:05,143 INFO L226 Difference]: Without dead ends: 77 [2019-10-22 09:01:05,146 INFO L600 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 [2019-10-22 09:01:05,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-10-22 09:01:05,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-10-22 09:01:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 09:01:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-10-22 09:01:05,183 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2019-10-22 09:01:05,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:05,184 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-10-22 09:01:05,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:01:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-10-22 09:01:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:01:05,185 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:05,185 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:05,185 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:05,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:05,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1829528547, now seen corresponding path program 1 times [2019-10-22 09:01:05,186 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:05,186 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774824352] [2019-10-22 09:01:05,187 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,187 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:05,286 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774824352] [2019-10-22 09:01:05,286 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:05,286 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:05,286 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522170748] [2019-10-22 09:01:05,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:05,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:05,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:05,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:05,288 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2019-10-22 09:01:05,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:05,301 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2019-10-22 09:01:05,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:05,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 09:01:05,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:05,302 INFO L225 Difference]: With dead ends: 77 [2019-10-22 09:01:05,302 INFO L226 Difference]: Without dead ends: 37 [2019-10-22 09:01:05,303 INFO L600 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 [2019-10-22 09:01:05,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-10-22 09:01:05,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-10-22 09:01:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-10-22 09:01:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-10-22 09:01:05,308 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-10-22 09:01:05,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:05,309 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-10-22 09:01:05,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-10-22 09:01:05,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:01:05,309 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:05,310 INFO L380 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] [2019-10-22 09:01:05,310 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:05,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:05,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2019-10-22 09:01:05,311 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:05,311 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746671816] [2019-10-22 09:01:05,311 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,311 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:05,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:05,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746671816] [2019-10-22 09:01:05,381 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:05,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:05,381 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906521019] [2019-10-22 09:01:05,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:05,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:05,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:05,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:05,384 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2019-10-22 09:01:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:05,421 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2019-10-22 09:01:05,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:05,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 09:01:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:05,422 INFO L225 Difference]: With dead ends: 97 [2019-10-22 09:01:05,422 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 09:01:05,423 INFO L600 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 [2019-10-22 09:01:05,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 09:01:05,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2019-10-22 09:01:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 09:01:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2019-10-22 09:01:05,432 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2019-10-22 09:01:05,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:05,432 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2019-10-22 09:01:05,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2019-10-22 09:01:05,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 09:01:05,433 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:05,433 INFO L380 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] [2019-10-22 09:01:05,433 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:05,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:05,434 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2019-10-22 09:01:05,434 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:05,434 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880282774] [2019-10-22 09:01:05,434 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,434 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:05,526 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880282774] [2019-10-22 09:01:05,526 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:05,526 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:05,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613367595] [2019-10-22 09:01:05,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:05,527 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:05,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:05,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:05,527 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2019-10-22 09:01:05,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:05,665 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2019-10-22 09:01:05,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:01:05,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 09:01:05,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:05,672 INFO L225 Difference]: With dead ends: 303 [2019-10-22 09:01:05,672 INFO L226 Difference]: Without dead ends: 247 [2019-10-22 09:01:05,673 INFO L600 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 [2019-10-22 09:01:05,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-10-22 09:01:05,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2019-10-22 09:01:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 09:01:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2019-10-22 09:01:05,703 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2019-10-22 09:01:05,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:05,704 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2019-10-22 09:01:05,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2019-10-22 09:01:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:01:05,704 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:05,704 INFO L380 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] [2019-10-22 09:01:05,704 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:05,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:05,705 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2019-10-22 09:01:05,705 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:05,705 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213447787] [2019-10-22 09:01:05,705 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,705 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:05,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:05,768 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213447787] [2019-10-22 09:01:05,769 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:05,769 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:05,769 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7457342] [2019-10-22 09:01:05,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:05,770 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:05,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:05,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:05,770 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2019-10-22 09:01:05,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:05,877 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2019-10-22 09:01:05,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:05,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 09:01:05,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:05,883 INFO L225 Difference]: With dead ends: 307 [2019-10-22 09:01:05,883 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:05,884 INFO L600 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 [2019-10-22 09:01:05,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:05,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:05,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 09:01:05,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:05,885 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:05,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:05,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:05,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:06,113 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:06,113 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 308) no Hoare annotation was computed. [2019-10-22 09:01:06,114 INFO L446 ceAbstractionStarter]: At program point L301-1(lines 301 308) the Hoare annotation is: true [2019-10-22 09:01:06,114 INFO L439 ceAbstractionStarter]: At program point L169(lines 164 172) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:06,114 INFO L439 ceAbstractionStarter]: At program point L169-1(lines 164 172) the Hoare annotation is: false [2019-10-22 09:01:06,114 INFO L439 ceAbstractionStarter]: At program point L169-2(lines 164 172) the Hoare annotation is: false [2019-10-22 09:01:06,114 INFO L443 ceAbstractionStarter]: For program point L732(lines 732 747) no Hoare annotation was computed. [2019-10-22 09:01:06,114 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2019-10-22 09:01:06,115 INFO L443 ceAbstractionStarter]: For program point L156(lines 156 160) no Hoare annotation was computed. [2019-10-22 09:01:06,115 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2019-10-22 09:01:06,115 INFO L443 ceAbstractionStarter]: For program point L685(line 685) no Hoare annotation was computed. [2019-10-22 09:01:06,115 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-10-22 09:01:06,115 INFO L439 ceAbstractionStarter]: At program point L107(lines 1 936) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:06,115 INFO L443 ceAbstractionStarter]: For program point L685-2(line 685) no Hoare annotation was computed. [2019-10-22 09:01:06,115 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:06,116 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2019-10-22 09:01:06,116 INFO L439 ceAbstractionStarter]: At program point L752(lines 701 753) the Hoare annotation is: false [2019-10-22 09:01:06,116 INFO L443 ceAbstractionStarter]: For program point L802(lines 802 819) no Hoare annotation was computed. [2019-10-22 09:01:06,116 INFO L443 ceAbstractionStarter]: For program point L802-1(lines 802 819) no Hoare annotation was computed. [2019-10-22 09:01:06,116 INFO L443 ceAbstractionStarter]: For program point L802-2(lines 802 819) no Hoare annotation was computed. [2019-10-22 09:01:06,116 INFO L443 ceAbstractionStarter]: For program point L703(lines 702 751) no Hoare annotation was computed. [2019-10-22 09:01:06,116 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-10-22 09:01:06,117 INFO L439 ceAbstractionStarter]: At program point L918-1(lines 918 924) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:06,117 INFO L439 ceAbstractionStarter]: At program point L770(lines 769 788) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:06,117 INFO L443 ceAbstractionStarter]: For program point L770-1(lines 770 776) no Hoare annotation was computed. [2019-10-22 09:01:06,117 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 708) no Hoare annotation was computed. [2019-10-22 09:01:06,117 INFO L439 ceAbstractionStarter]: At program point L770-2(lines 769 788) the Hoare annotation is: false [2019-10-22 09:01:06,117 INFO L439 ceAbstractionStarter]: At program point L770-3(lines 769 788) the Hoare annotation is: false [2019-10-22 09:01:06,117 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-10-22 09:01:06,118 INFO L439 ceAbstractionStarter]: At program point L60-1(lines 1 936) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:06,118 INFO L443 ceAbstractionStarter]: For program point L60-2(lines 60 77) no Hoare annotation was computed. [2019-10-22 09:01:06,118 INFO L439 ceAbstractionStarter]: At program point L60-3(lines 1 936) the Hoare annotation is: false [2019-10-22 09:01:06,121 INFO L443 ceAbstractionStarter]: For program point L60-4(lines 60 77) no Hoare annotation was computed. [2019-10-22 09:01:06,121 INFO L439 ceAbstractionStarter]: At program point L60-5(lines 1 936) the Hoare annotation is: false [2019-10-22 09:01:06,121 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:06,122 INFO L439 ceAbstractionStarter]: At program point L276(lines 272 278) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:06,122 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2019-10-22 09:01:06,122 INFO L439 ceAbstractionStarter]: At program point L210(lines 205 213) the Hoare annotation is: false [2019-10-22 09:01:06,122 INFO L439 ceAbstractionStarter]: At program point L722-1(lines 722 728) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:06,122 INFO L439 ceAbstractionStarter]: At program point L210-1(lines 205 213) the Hoare annotation is: false [2019-10-22 09:01:06,122 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 148) no Hoare annotation was computed. [2019-10-22 09:01:06,123 INFO L439 ceAbstractionStarter]: At program point L210-2(lines 205 213) the Hoare annotation is: false [2019-10-22 09:01:06,123 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 908) no Hoare annotation was computed. [2019-10-22 09:01:06,123 INFO L443 ceAbstractionStarter]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2019-10-22 09:01:06,123 INFO L443 ceAbstractionStarter]: For program point L904-3(lines 904 908) no Hoare annotation was computed. [2019-10-22 09:01:06,123 INFO L443 ceAbstractionStarter]: For program point L904-5(lines 904 908) no Hoare annotation was computed. [2019-10-22 09:01:06,123 INFO L443 ceAbstractionStarter]: For program point L904-6(lines 904 908) no Hoare annotation was computed. [2019-10-22 09:01:06,123 INFO L439 ceAbstractionStarter]: At program point L227-2(lines 227 241) the Hoare annotation is: false [2019-10-22 09:01:06,123 INFO L443 ceAbstractionStarter]: For program point L904-8(lines 904 908) no Hoare annotation was computed. [2019-10-22 09:01:06,124 INFO L439 ceAbstractionStarter]: At program point L855(lines 850 858) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:06,124 INFO L439 ceAbstractionStarter]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2019-10-22 09:01:06,124 INFO L446 ceAbstractionStarter]: At program point L310(lines 291 313) the Hoare annotation is: true [2019-10-22 09:01:06,124 INFO L439 ceAbstractionStarter]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2019-10-22 09:01:06,124 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 814) no Hoare annotation was computed. [2019-10-22 09:01:06,124 INFO L443 ceAbstractionStarter]: For program point L806-1(lines 806 814) no Hoare annotation was computed. [2019-10-22 09:01:06,124 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 746) no Hoare annotation was computed. [2019-10-22 09:01:06,125 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-22 09:01:06,125 INFO L443 ceAbstractionStarter]: For program point L806-2(lines 806 814) no Hoare annotation was computed. [2019-10-22 09:01:06,125 INFO L439 ceAbstractionStarter]: At program point L740-1(lines 770 776) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:06,125 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-10-22 09:01:06,125 INFO L443 ceAbstractionStarter]: For program point L64-2(lines 64 74) no Hoare annotation was computed. [2019-10-22 09:01:06,125 INFO L443 ceAbstractionStarter]: For program point L64-4(lines 64 74) no Hoare annotation was computed. [2019-10-22 09:01:06,125 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-22 09:01:06,125 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:06,126 INFO L443 ceAbstractionStarter]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2019-10-22 09:01:06,126 INFO L443 ceAbstractionStarter]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2019-10-22 09:01:06,133 INFO L439 ceAbstractionStarter]: At program point L115(lines 110 118) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:06,134 INFO L439 ceAbstractionStarter]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:06,134 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 235) no Hoare annotation was computed. [2019-10-22 09:01:06,134 INFO L443 ceAbstractionStarter]: For program point L231-1(lines 770 776) no Hoare annotation was computed. [2019-10-22 09:01:06,134 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-22 09:01:06,134 INFO L443 ceAbstractionStarter]: For program point L132-3(lines 132 136) no Hoare annotation was computed. [2019-10-22 09:01:06,134 INFO L443 ceAbstractionStarter]: For program point L132-6(lines 132 136) no Hoare annotation was computed. [2019-10-22 09:01:06,134 INFO L439 ceAbstractionStarter]: At program point L777(lines 777 783) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:06,135 INFO L439 ceAbstractionStarter]: At program point L777-1(lines 777 783) the Hoare annotation is: false [2019-10-22 09:01:06,135 INFO L439 ceAbstractionStarter]: At program point L777-2(lines 777 783) the Hoare annotation is: false [2019-10-22 09:01:06,135 INFO L439 ceAbstractionStarter]: At program point L910(lines 895 913) the Hoare annotation is: false [2019-10-22 09:01:06,135 INFO L439 ceAbstractionStarter]: At program point L910-1(lines 895 913) the Hoare annotation is: false [2019-10-22 09:01:06,135 INFO L439 ceAbstractionStarter]: At program point L910-2(lines 895 913) the Hoare annotation is: false [2019-10-22 09:01:06,135 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-10-22 09:01:06,136 INFO L439 ceAbstractionStarter]: At program point L712-1(lines 712 718) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:06,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:06 BoogieIcfgContainer [2019-10-22 09:01:06,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:06,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:06,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:06,154 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:06,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:04" (3/4) ... [2019-10-22 09:01:06,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:06,169 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:01:06,169 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 09:01:06,170 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 09:01:06,170 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:01:06,171 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:01:06,171 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:01:06,201 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:06,261 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7ef7b7e3-f2a2-4a88-9e0c-b17551bd3f2f/bin/uautomizer/witness.graphml [2019-10-22 09:01:06,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:06,265 INFO L168 Benchmark]: Toolchain (without parser) took 2793.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 940.4 MB in the beginning and 915.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 165.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,265 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:06,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.47 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,266 INFO L168 Benchmark]: Boogie Preprocessor took 33.27 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,267 INFO L168 Benchmark]: RCFGBuilder took 709.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,267 INFO L168 Benchmark]: TraceAbstraction took 1348.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 925.4 MB in the end (delta: 124.5 MB). Peak memory consumption was 124.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,267 INFO L168 Benchmark]: Witness Printer took 108.83 ms. Allocated memory is still 1.2 GB. Free memory was 925.4 MB in the beginning and 915.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,269 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 531.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.47 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.27 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 709.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1348.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 925.4 MB in the end (delta: 124.5 MB). Peak memory consumption was 124.5 MB. Max. memory is 11.5 GB. * Witness Printer took 108.83 ms. Allocated memory is still 1.2 GB. Free memory was 925.4 MB in the beginning and 915.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 685]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 685]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 685]: 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: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 350 SDtfs, 334 SDslu, 369 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 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...