./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.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_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87504a1abfe2d10f353d562b38ba2c6a9363e65c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:17:58,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:58,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:58,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:58,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:58,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:58,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:58,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:58,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:58,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:58,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:58,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:58,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:58,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:58,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:58,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:58,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:58,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:58,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:58,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:58,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:58,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:58,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:58,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:58,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:58,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:58,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:58,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:58,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:58,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:58,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:58,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:58,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:58,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:58,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:58,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:58,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:58,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:58,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:58,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:58,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:58,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:17:58,658 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:58,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:58,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:58,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:58,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:58,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:58,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:58,660 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:58,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:58,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:58,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:58,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:58,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:58,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:58,661 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:58,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:58,662 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:58,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:58,662 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:58,662 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:58,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:58,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:58,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:58,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:58,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:58,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:58,663 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:58,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:58,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:58,663 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_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak 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 -> Kojak 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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2019-10-22 10:17:58,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:58,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:58,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:58,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:58,708 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:58,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2019-10-22 10:17:58,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/data/5bc5cef00/ca9c251a107444578b3e158c6bcc1488/FLAGa7bceef4b [2019-10-22 10:17:59,231 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:59,231 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2019-10-22 10:17:59,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/data/5bc5cef00/ca9c251a107444578b3e158c6bcc1488/FLAGa7bceef4b [2019-10-22 10:17:59,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/data/5bc5cef00/ca9c251a107444578b3e158c6bcc1488 [2019-10-22 10:17:59,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:59,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:59,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:59,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:59,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:59,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:59" (1/1) ... [2019-10-22 10:17:59,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350c055c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:59, skipping insertion in model container [2019-10-22 10:17:59,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:59" (1/1) ... [2019-10-22 10:17:59,575 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:59,624 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:59,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:59,954 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:18:00,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:00,054 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:18:00,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00 WrapperNode [2019-10-22 10:18:00,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:00,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:00,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:18:00,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:18:00,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:00,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:18:00,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:18:00,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:18:00,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:18:00,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:18:00,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:18:00,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:18:00,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-10-22 10:18:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:18:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:18:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:18:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:18:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:18:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:18:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:18:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:18:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:18:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:18:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:18:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:18:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:18:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:18:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:18:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:18:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:18:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:18:00,896 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:18:00,896 INFO L284 CfgBuilder]: Removed 40 assume(true) statements. [2019-10-22 10:18:00,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:00 BoogieIcfgContainer [2019-10-22 10:18:00,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:18:00,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:18:00,898 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:18:00,908 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:18:00,908 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:00" (1/1) ... [2019-10-22 10:18:00,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:18:00,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:00,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2019-10-22 10:18:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2019-10-22 10:18:00,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:18:00,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:01,134 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 10:18:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2019-10-22 10:18:01,145 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2019-10-22 10:18:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:18:01,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:01,215 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 10:18:01,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:01,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2019-10-22 10:18:01,233 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2019-10-22 10:18:01,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:01,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:01,301 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 10:18:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2019-10-22 10:18:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2019-10-22 10:18:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:18:01,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:01,487 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 10:18:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 71 states and 102 transitions. [2019-10-22 10:18:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2019-10-22 10:18:01,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:18:01,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:01,532 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 10:18:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 72 states and 103 transitions. [2019-10-22 10:18:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2019-10-22 10:18:01,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:18:01,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:01,606 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 10:18:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2019-10-22 10:18:01,620 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2019-10-22 10:18:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:18:01,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:01,702 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 10:18:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 89 states and 138 transitions. [2019-10-22 10:18:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 138 transitions. [2019-10-22 10:18:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:18:02,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:02,229 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 10:18:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 146 transitions. [2019-10-22 10:18:02,295 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2019-10-22 10:18:02,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:18:02,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:02,334 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 10:18:02,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 94 states and 147 transitions. [2019-10-22 10:18:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2019-10-22 10:18:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:18:02,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:02,388 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 10:18:02,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:02,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2019-10-22 10:18:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2019-10-22 10:18:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:18:02,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:02,510 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 10:18:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 109 states and 182 transitions. [2019-10-22 10:18:03,357 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2019-10-22 10:18:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:18:03,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:03,421 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 10:18:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:03,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2019-10-22 10:18:03,434 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2019-10-22 10:18:03,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:18:03,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:03,517 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 10:18:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:03,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 191 transitions. [2019-10-22 10:18:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2019-10-22 10:18:03,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:18:03,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:03,675 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 10:18:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:03,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 196 transitions. [2019-10-22 10:18:03,858 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 196 transitions. [2019-10-22 10:18:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:18:03,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:03,883 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 10:18:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:03,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 112 states and 190 transitions. [2019-10-22 10:18:03,910 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2019-10-22 10:18:03,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:18:03,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 122 states and 214 transitions. [2019-10-22 10:18:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 214 transitions. [2019-10-22 10:18:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:18:04,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 226 transitions. [2019-10-22 10:18:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 226 transitions. [2019-10-22 10:18:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:18:04,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 129 states and 227 transitions. [2019-10-22 10:18:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 227 transitions. [2019-10-22 10:18:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:18:04,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:04,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 130 states and 228 transitions. [2019-10-22 10:18:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 228 transitions. [2019-10-22 10:18:04,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:18:04,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 131 states and 229 transitions. [2019-10-22 10:18:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 229 transitions. [2019-10-22 10:18:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:18:04,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:04,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 142 states and 271 transitions. [2019-10-22 10:18:05,546 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 271 transitions. [2019-10-22 10:18:05,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:18:05,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 144 states and 273 transitions. [2019-10-22 10:18:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 273 transitions. [2019-10-22 10:18:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:18:05,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 152 states and 300 transitions. [2019-10-22 10:18:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 300 transitions. [2019-10-22 10:18:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:18:07,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:18:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 153 states and 300 transitions. [2019-10-22 10:18:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 300 transitions. [2019-10-22 10:18:07,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:18:07,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 154 states and 301 transitions. [2019-10-22 10:18:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 301 transitions. [2019-10-22 10:18:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:18:07,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:07,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 155 states and 302 transitions. [2019-10-22 10:18:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 302 transitions. [2019-10-22 10:18:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:18:07,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:07,680 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 156 states and 299 transitions. [2019-10-22 10:18:07,919 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 299 transitions. [2019-10-22 10:18:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:18:07,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 158 states and 300 transitions. [2019-10-22 10:18:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 300 transitions. [2019-10-22 10:18:08,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:18:08,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 160 states and 302 transitions. [2019-10-22 10:18:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 302 transitions. [2019-10-22 10:18:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:18:09,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:18:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 160 states and 298 transitions. [2019-10-22 10:18:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 298 transitions. [2019-10-22 10:18:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:18:09,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 160 states and 297 transitions. [2019-10-22 10:18:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 297 transitions. [2019-10-22 10:18:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:18:10,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 133 states and 238 transitions. [2019-10-22 10:18:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 238 transitions. [2019-10-22 10:18:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:18:10,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:18:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 137 states and 245 transitions. [2019-10-22 10:18:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 245 transitions. [2019-10-22 10:18:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:18:10,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:18:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 138 states and 245 transitions. [2019-10-22 10:18:10,791 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 245 transitions. [2019-10-22 10:18:10,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 10:18:10,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:18:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 142 states and 254 transitions. [2019-10-22 10:18:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2019-10-22 10:18:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:18:11,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:18:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 140 states and 250 transitions. [2019-10-22 10:18:11,566 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-10-22 10:18:11,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:18:11,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:18:11,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 137 states and 244 transitions. [2019-10-22 10:18:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 244 transitions. [2019-10-22 10:18:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:18:11,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:18:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 91 states and 133 transitions. [2019-10-22 10:18:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2019-10-22 10:18:11,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:18:11,651 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 39 iterations. [2019-10-22 10:18:11,659 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:18:11,911 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,914 INFO L575 CodeCheckObserver]: Invariant with dag size 18 [2019-10-22 10:18:11,918 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,918 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,918 INFO L575 CodeCheckObserver]: Invariant with dag size 10 [2019-10-22 10:18:11,919 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,919 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:18:11,919 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,919 INFO L575 CodeCheckObserver]: Invariant with dag size 18 [2019-10-22 10:18:11,920 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,920 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,920 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,921 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,921 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:18:11,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:18:11 ImpRootNode [2019-10-22 10:18:11,921 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:18:11,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:18:11,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:18:11,922 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:18:11,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:00" (3/4) ... [2019-10-22 10:18:11,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:18:11,931 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:18:11,931 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:18:11,931 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:18:11,931 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:18:11,931 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:18:11,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:18:11,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:18:11,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-10-22 10:18:11,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-10-22 10:18:11,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:18:11,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:18:11,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:18:11,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:18:11,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-10-22 10:18:11,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) && 1 == waterLevel) && \old(waterLevel) == waterLevel) || ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-10-22 10:18:11,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-10-22 10:18:12,009 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_193f0163-f7ee-4b5b-8aeb-a1c16cb5dbbc/bin/ukojak/witness.graphml [2019-10-22 10:18:12,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:18:12,011 INFO L168 Benchmark]: Toolchain (without parser) took 12448.83 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 381.7 MB). Free memory was 943.2 MB in the beginning and 817.6 MB in the end (delta: 125.6 MB). Peak memory consumption was 507.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:12,011 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:12,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:12,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:12,012 INFO L168 Benchmark]: Boogie Preprocessor took 39.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:12,012 INFO L168 Benchmark]: RCFGBuilder took 750.00 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: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:12,013 INFO L168 Benchmark]: CodeCheck took 11023.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.3 MB). Free memory was 1.0 GB in the beginning and 833.2 MB in the end (delta: 199.0 MB). Peak memory consumption was 454.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:12,013 INFO L168 Benchmark]: Witness Printer took 87.52 ms. Allocated memory is still 1.4 GB. Free memory was 833.2 MB in the beginning and 817.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:12,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 58 locations, 1 error locations. Result: SAFE, OverallTime: 10.7s, OverallIterations: 39, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 937738264 SDtfs, 1416390292 SDslu, 773517504 SDs, 0 SdLazy, -100561140 SolverSat, -1804772456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13408 GetRequests, 13042 SyntacticMatches, 154 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19860 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1253 NumberOfCodeBlocks, 1253 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1215 ConstructedInterpolants, 0 QuantifiedInterpolants, 103517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 30 PerfectInterpolantSequences, 319/350 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) && 1 == waterLevel) && \old(waterLevel) == waterLevel) || ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 492.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 750.00 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: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. * CodeCheck took 11023.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.3 MB). Free memory was 1.0 GB in the beginning and 833.2 MB in the end (delta: 199.0 MB). Peak memory consumption was 454.3 MB. Max. memory is 11.5 GB. * Witness Printer took 87.52 ms. Allocated memory is still 1.4 GB. Free memory was 833.2 MB in the beginning and 817.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...