./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.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_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:58:35,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:35,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:35,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:35,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:35,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:35,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:35,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:35,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:35,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:35,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:35,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:35,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:35,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:35,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:35,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:35,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:35,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:35,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:35,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:35,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:35,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:35,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:35,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:35,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:35,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:35,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:35,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:35,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:35,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:35,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:35,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:35,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:35,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:35,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:35,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:35,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:35,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:35,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:35,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:35,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:35,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:35,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:35,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:35,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:35,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:35,544 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:35,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:35,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:35,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:35,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:35,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:35,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:35,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:35,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:35,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:35,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:35,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:35,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:35,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:35,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:35,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:35,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:35,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:35,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:35,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:35,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:35,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:35,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:35,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:35,548 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_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2019-10-22 08:58:35,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:35,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:35,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:35,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:35,608 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:35,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-10-22 08:58:35,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/data/5e3be2874/69f8dc7398914ff8b29236150c68868f/FLAG1dc5fd0ff [2019-10-22 08:58:36,101 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:36,102 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-10-22 08:58:36,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/data/5e3be2874/69f8dc7398914ff8b29236150c68868f/FLAG1dc5fd0ff [2019-10-22 08:58:36,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/data/5e3be2874/69f8dc7398914ff8b29236150c68868f [2019-10-22 08:58:36,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:36,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:36,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:36,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:36,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:36,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389d31dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36, skipping insertion in model container [2019-10-22 08:58:36,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,144 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:36,187 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:36,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:36,640 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:36,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:36,812 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:36,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36 WrapperNode [2019-10-22 08:58:36,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:36,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:36,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:36,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:36,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:36,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:36,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:36,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:36,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... [2019-10-22 08:58:36,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:36,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:36,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:36,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:36,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/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 08:58:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:37,560 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:37,560 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 08:58:37,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:37 BoogieIcfgContainer [2019-10-22 08:58:37,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:37,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:37,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:37,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:37,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:36" (1/3) ... [2019-10-22 08:58:37,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2d98a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:37, skipping insertion in model container [2019-10-22 08:58:37,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:36" (2/3) ... [2019-10-22 08:58:37,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2d98a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:37, skipping insertion in model container [2019-10-22 08:58:37,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:37" (3/3) ... [2019-10-22 08:58:37,570 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2019-10-22 08:58:37,583 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:37,595 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:58:37,603 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:58:37,622 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:37,622 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:37,623 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:37,623 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:37,623 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:37,623 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:37,623 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:37,623 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:37,635 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-10-22 08:58:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:58:37,642 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:37,642 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 08:58:37,644 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:37,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:37,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2019-10-22 08:58:37,658 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:37,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009916915] [2019-10-22 08:58:37,659 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:37,659 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:37,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:37,859 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 08:58:37,860 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009916915] [2019-10-22 08:58:37,861 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:37,861 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:37,861 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357532907] [2019-10-22 08:58:37,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:58:37,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:37,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:58:37,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:58:37,881 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-10-22 08:58:37,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:37,902 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2019-10-22 08:58:37,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:58:37,904 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:58:37,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:37,913 INFO L225 Difference]: With dead ends: 155 [2019-10-22 08:58:37,913 INFO L226 Difference]: Without dead ends: 77 [2019-10-22 08:58:37,916 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 08:58:37,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-10-22 08:58:37,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-10-22 08:58:37,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 08:58:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-10-22 08:58:37,954 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2019-10-22 08:58:37,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:37,954 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-10-22 08:58:37,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:58:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-10-22 08:58:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:58:37,956 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:37,956 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 08:58:37,956 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:37,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:37,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2019-10-22 08:58:37,957 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:37,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780371629] [2019-10-22 08:58:37,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:37,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:37,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:38,053 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 08:58:38,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780371629] [2019-10-22 08:58:38,054 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:38,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:38,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931756280] [2019-10-22 08:58:38,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:38,056 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:38,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:38,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:38,056 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2019-10-22 08:58:38,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:38,072 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2019-10-22 08:58:38,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:38,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:58:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:38,074 INFO L225 Difference]: With dead ends: 77 [2019-10-22 08:58:38,074 INFO L226 Difference]: Without dead ends: 37 [2019-10-22 08:58:38,075 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 08:58:38,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-10-22 08:58:38,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-10-22 08:58:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-10-22 08:58:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-10-22 08:58:38,079 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-10-22 08:58:38,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:38,079 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-10-22 08:58:38,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-10-22 08:58:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:58:38,080 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:38,080 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 08:58:38,080 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:38,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:38,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2019-10-22 08:58:38,081 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:38,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008151911] [2019-10-22 08:58:38,081 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:38,081 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:38,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:38,162 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 08:58:38,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008151911] [2019-10-22 08:58:38,162 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:38,162 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:38,162 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117976927] [2019-10-22 08:58:38,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:38,163 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:38,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:38,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:38,163 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2019-10-22 08:58:38,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:38,185 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2019-10-22 08:58:38,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:38,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 08:58:38,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:38,189 INFO L225 Difference]: With dead ends: 97 [2019-10-22 08:58:38,189 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 08:58:38,189 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:38,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 08:58:38,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2019-10-22 08:58:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 08:58:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2019-10-22 08:58:38,200 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2019-10-22 08:58:38,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:38,201 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2019-10-22 08:58:38,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:38,201 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2019-10-22 08:58:38,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:58:38,204 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:38,204 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 08:58:38,205 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:38,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:38,205 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2019-10-22 08:58:38,205 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:38,205 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903965561] [2019-10-22 08:58:38,205 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:38,206 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:38,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:38,319 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 08:58:38,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903965561] [2019-10-22 08:58:38,320 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:38,320 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:38,320 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297742238] [2019-10-22 08:58:38,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:38,321 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:38,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:38,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:38,321 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2019-10-22 08:58:38,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:38,466 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2019-10-22 08:58:38,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:58:38,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:58:38,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:38,473 INFO L225 Difference]: With dead ends: 303 [2019-10-22 08:58:38,473 INFO L226 Difference]: Without dead ends: 247 [2019-10-22 08:58:38,474 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 08:58:38,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-10-22 08:58:38,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2019-10-22 08:58:38,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 08:58:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2019-10-22 08:58:38,497 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2019-10-22 08:58:38,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:38,498 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2019-10-22 08:58:38,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2019-10-22 08:58:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:58:38,499 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:38,499 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 08:58:38,499 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:38,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:38,500 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2019-10-22 08:58:38,500 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:38,500 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233471948] [2019-10-22 08:58:38,500 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:38,500 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:38,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:38,571 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 08:58:38,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233471948] [2019-10-22 08:58:38,572 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:38,572 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:38,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105443116] [2019-10-22 08:58:38,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:38,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:38,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:38,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:38,573 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2019-10-22 08:58:38,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:38,651 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2019-10-22 08:58:38,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:58:38,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 08:58:38,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:38,652 INFO L225 Difference]: With dead ends: 307 [2019-10-22 08:58:38,652 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:38,653 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 08:58:38,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:38,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:38,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 08:58:38,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:38,655 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:38,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:38,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:38,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:38,877 INFO L439 ceAbstractionStarter]: At program point L415(lines 410 417) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:38,877 INFO L439 ceAbstractionStarter]: At program point L861(lines 856 864) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:38,877 INFO L439 ceAbstractionStarter]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2019-10-22 08:58:38,877 INFO L439 ceAbstractionStarter]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2019-10-22 08:58:38,877 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:38,877 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2019-10-22 08:58:38,878 INFO L446 ceAbstractionStarter]: At program point L632-1(lines 632 639) the Hoare annotation is: true [2019-10-22 08:58:38,878 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 488) no Hoare annotation was computed. [2019-10-22 08:58:38,878 INFO L439 ceAbstractionStarter]: At program point L765(lines 765 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:38,878 INFO L439 ceAbstractionStarter]: At program point L765-1(lines 765 771) the Hoare annotation is: false [2019-10-22 08:58:38,878 INFO L439 ceAbstractionStarter]: At program point L765-2(lines 765 771) the Hoare annotation is: false [2019-10-22 08:58:38,878 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 673) no Hoare annotation was computed. [2019-10-22 08:58:38,879 INFO L439 ceAbstractionStarter]: At program point L667-1(lines 667 673) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:38,881 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-22 08:58:38,881 INFO L439 ceAbstractionStarter]: At program point L916(lines 901 919) the Hoare annotation is: false [2019-10-22 08:58:38,881 INFO L439 ceAbstractionStarter]: At program point L916-1(lines 901 919) the Hoare annotation is: false [2019-10-22 08:58:38,881 INFO L439 ceAbstractionStarter]: At program point L916-2(lines 901 919) the Hoare annotation is: false [2019-10-22 08:58:38,881 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:38,881 INFO L439 ceAbstractionStarter]: At program point L736(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:38,882 INFO L439 ceAbstractionStarter]: At program point L604(lines 600 606) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:38,882 INFO L439 ceAbstractionStarter]: At program point L538(lines 533 541) the Hoare annotation is: false [2019-10-22 08:58:38,882 INFO L439 ceAbstractionStarter]: At program point L538-1(lines 533 541) the Hoare annotation is: false [2019-10-22 08:58:38,882 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-10-22 08:58:38,882 INFO L439 ceAbstractionStarter]: At program point L538-2(lines 533 541) the Hoare annotation is: false [2019-10-22 08:58:38,882 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 700) no Hoare annotation was computed. [2019-10-22 08:58:38,882 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-22 08:58:38,883 INFO L439 ceAbstractionStarter]: At program point L555-2(lines 555 569) the Hoare annotation is: false [2019-10-22 08:58:38,883 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 08:58:38,883 INFO L439 ceAbstractionStarter]: At program point L705(lines 656 706) the Hoare annotation is: false [2019-10-22 08:58:38,883 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:38,883 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 443) no Hoare annotation was computed. [2019-10-22 08:58:38,883 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-22 08:58:38,884 INFO L439 ceAbstractionStarter]: At program point L426-1(lines 1 943) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:38,884 INFO L443 ceAbstractionStarter]: For program point L426-2(lines 426 443) no Hoare annotation was computed. [2019-10-22 08:58:38,884 INFO L439 ceAbstractionStarter]: At program point L426-3(lines 1 943) the Hoare annotation is: false [2019-10-22 08:58:38,884 INFO L443 ceAbstractionStarter]: For program point L426-4(lines 426 443) no Hoare annotation was computed. [2019-10-22 08:58:38,884 INFO L439 ceAbstractionStarter]: At program point L426-5(lines 1 943) the Hoare annotation is: false [2019-10-22 08:58:38,884 INFO L446 ceAbstractionStarter]: At program point L641(lines 622 644) the Hoare annotation is: true [2019-10-22 08:58:38,884 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 807) no Hoare annotation was computed. [2019-10-22 08:58:38,884 INFO L443 ceAbstractionStarter]: For program point L790-1(lines 790 807) no Hoare annotation was computed. [2019-10-22 08:58:38,885 INFO L443 ceAbstractionStarter]: For program point L790-2(lines 790 807) no Hoare annotation was computed. [2019-10-22 08:58:38,885 INFO L443 ceAbstractionStarter]: For program point L658(lines 657 704) no Hoare annotation was computed. [2019-10-22 08:58:38,885 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2019-10-22 08:58:38,885 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 758 764) no Hoare annotation was computed. [2019-10-22 08:58:38,885 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-10-22 08:58:38,885 INFO L443 ceAbstractionStarter]: For program point L460-3(lines 460 464) no Hoare annotation was computed. [2019-10-22 08:58:38,885 INFO L443 ceAbstractionStarter]: For program point L460-6(lines 460 464) no Hoare annotation was computed. [2019-10-22 08:58:38,886 INFO L439 ceAbstractionStarter]: At program point L758(lines 757 776) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:38,886 INFO L443 ceAbstractionStarter]: For program point L758-1(lines 758 764) no Hoare annotation was computed. [2019-10-22 08:58:38,886 INFO L439 ceAbstractionStarter]: At program point L758-2(lines 757 776) the Hoare annotation is: false [2019-10-22 08:58:38,886 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-10-22 08:58:38,886 INFO L439 ceAbstractionStarter]: At program point L758-3(lines 757 776) the Hoare annotation is: false [2019-10-22 08:58:38,886 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-22 08:58:38,886 INFO L443 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2019-10-22 08:58:38,886 INFO L443 ceAbstractionStarter]: For program point L940-2(line 940) no Hoare annotation was computed. [2019-10-22 08:58:38,888 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:38,889 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-10-22 08:58:38,889 INFO L439 ceAbstractionStarter]: At program point L924-1(lines 924 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:38,889 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 699) no Hoare annotation was computed. [2019-10-22 08:58:38,890 INFO L439 ceAbstractionStarter]: At program point L693-1(lines 758 764) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:38,890 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-10-22 08:58:38,890 INFO L439 ceAbstractionStarter]: At program point L677-1(lines 677 683) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:38,890 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 440) no Hoare annotation was computed. [2019-10-22 08:58:38,890 INFO L443 ceAbstractionStarter]: For program point L430-2(lines 430 440) no Hoare annotation was computed. [2019-10-22 08:58:38,890 INFO L443 ceAbstractionStarter]: For program point L430-4(lines 430 440) no Hoare annotation was computed. [2019-10-22 08:58:38,891 INFO L439 ceAbstractionStarter]: At program point L744(lines 739 747) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:38,891 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 802) no Hoare annotation was computed. [2019-10-22 08:58:38,891 INFO L443 ceAbstractionStarter]: For program point L794-1(lines 794 802) no Hoare annotation was computed. [2019-10-22 08:58:38,891 INFO L443 ceAbstractionStarter]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2019-10-22 08:58:38,891 INFO L439 ceAbstractionStarter]: At program point L497(lines 492 500) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:38,891 INFO L439 ceAbstractionStarter]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-10-22 08:58:38,891 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 437) no Hoare annotation was computed. [2019-10-22 08:58:38,891 INFO L439 ceAbstractionStarter]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-10-22 08:58:38,891 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-10-22 08:58:38,891 INFO L443 ceAbstractionStarter]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2019-10-22 08:58:38,892 INFO L443 ceAbstractionStarter]: For program point L910-2(lines 910 914) no Hoare annotation was computed. [2019-10-22 08:58:38,892 INFO L443 ceAbstractionStarter]: For program point L910-3(lines 910 914) no Hoare annotation was computed. [2019-10-22 08:58:38,892 INFO L443 ceAbstractionStarter]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2019-10-22 08:58:38,892 INFO L443 ceAbstractionStarter]: For program point L910-5(lines 910 914) no Hoare annotation was computed. [2019-10-22 08:58:38,892 INFO L443 ceAbstractionStarter]: For program point L910-6(lines 910 914) no Hoare annotation was computed. [2019-10-22 08:58:38,892 INFO L443 ceAbstractionStarter]: For program point L910-8(lines 910 914) no Hoare annotation was computed. [2019-10-22 08:58:38,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:38 BoogieIcfgContainer [2019-10-22 08:58:38,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:38,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:38,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:38,909 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:38,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:37" (3/4) ... [2019-10-22 08:58:38,913 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:38,932 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:58:38,933 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:58:38,933 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:58:38,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:58:38,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:38,935 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:58:38,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:58:39,027 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd9631dc-ee85-4523-8c93-ac7dbeb4e673/bin/uautomizer/witness.graphml [2019-10-22 08:58:39,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:39,031 INFO L168 Benchmark]: Toolchain (without parser) took 2899.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 940.5 MB in the beginning and 952.1 MB in the end (delta: -11.6 MB). Peak memory consumption was 163.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,031 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:39,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -217.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,032 INFO L168 Benchmark]: Boogie Preprocessor took 29.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:39,033 INFO L168 Benchmark]: RCFGBuilder took 633.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,033 INFO L168 Benchmark]: TraceAbstraction took 1345.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.9 MB in the end (delta: 129.3 MB). Peak memory consumption was 129.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,033 INFO L168 Benchmark]: Witness Printer took 118.53 ms. Allocated memory is still 1.2 GB. Free memory was 958.9 MB in the beginning and 952.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,035 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 682.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -217.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 633.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1345.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.9 MB in the end (delta: 129.3 MB). Peak memory consumption was 129.3 MB. Max. memory is 11.5 GB. * Witness Printer took 118.53 ms. Allocated memory is still 1.2 GB. Free memory was 958.9 MB in the beginning and 952.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: 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: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: 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: 758]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: 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, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s 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, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...