./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe4c237d03da6bf7a86f5cd898d20e467d10d950 ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:12:14,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:12:14,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:12:14,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:12:14,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:12:14,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:12:14,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:12:14,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:12:14,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:12:14,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:12:14,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:12:14,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:12:14,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:12:14,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:12:14,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:12:14,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:12:14,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:12:14,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:12:14,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:12:14,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:12:14,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:12:14,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:12:14,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:12:14,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:12:14,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:12:14,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:12:14,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:12:14,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:12:14,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:12:14,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:12:14,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:12:14,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:12:14,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:12:14,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:12:14,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:12:14,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:12:14,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:12:14,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:12:14,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:12:14,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:12:14,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:12:14,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:12:14,373 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:12:14,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:12:14,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:12:14,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:12:14,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:12:14,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:12:14,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:12:14,377 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:12:14,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:12:14,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:12:14,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:12:14,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:12:14,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:12:14,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:12:14,379 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:12:14,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:12:14,380 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:12:14,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:12:14,380 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:12:14,380 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:12:14,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:12:14,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:12:14,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:12:14,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:12:14,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:12:14,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:12:14,382 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:12:14,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:12:14,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:12:14,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4c237d03da6bf7a86f5cd898d20e467d10d950 [2020-12-01 18:12:14,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:12:14,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:12:14,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:12:14,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:12:14,760 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:12:14,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/../../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c [2020-12-01 18:12:14,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/data/e6bdbeeae/d1ebc675c0af4b7c94087f269b7a1c0f/FLAGce808d4ae [2020-12-01 18:12:15,315 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:12:15,316 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c [2020-12-01 18:12:15,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/data/e6bdbeeae/d1ebc675c0af4b7c94087f269b7a1c0f/FLAGce808d4ae [2020-12-01 18:12:15,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/data/e6bdbeeae/d1ebc675c0af4b7c94087f269b7a1c0f [2020-12-01 18:12:15,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:12:15,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:12:15,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:12:15,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:12:15,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:12:15,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:12:15" (1/1) ... [2020-12-01 18:12:15,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db4dd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:15, skipping insertion in model container [2020-12-01 18:12:15,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:12:15" (1/1) ... [2020-12-01 18:12:15,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:12:15,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:12:15,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:12:15,989 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:12:16,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:12:16,032 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:12:16,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16 WrapperNode [2020-12-01 18:12:16,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:12:16,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:12:16,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:12:16,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:12:16,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:12:16,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:12:16,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:12:16,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:12:16,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:12:16,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:12:16,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:12:16,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:12:16,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:12:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/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 [2020-12-01 18:12:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:12:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-12-01 18:12:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-12-01 18:12:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:12:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-12-01 18:12:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-12-01 18:12:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:12:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:12:16,562 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:12:16,562 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 18:12:16,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:12:16 BoogieIcfgContainer [2020-12-01 18:12:16,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:12:16,565 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:12:16,566 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:12:16,577 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:12:16,577 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:12:16" (1/1) ... [2020-12-01 18:12:16,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:12:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2020-12-01 18:12:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2020-12-01 18:12:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:12:16,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:12:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2020-12-01 18:12:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2020-12-01 18:12:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:12:17,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:12:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 41 transitions. [2020-12-01 18:12:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2020-12-01 18:12:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:12:17,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:17,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:12:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:17,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 45 transitions. [2020-12-01 18:12:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2020-12-01 18:12:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:12:17,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:12:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 59 transitions. [2020-12-01 18:12:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2020-12-01 18:12:18,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:12:18,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:18,282 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:12:18,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 58 transitions. [2020-12-01 18:12:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2020-12-01 18:12:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:12:18,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:12:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 55 transitions. [2020-12-01 18:12:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2020-12-01 18:12:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 18:12:19,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:12:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 74 transitions. [2020-12-01 18:12:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2020-12-01 18:12:21,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:12:21,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:12:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:21,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 73 transitions. [2020-12-01 18:12:21,363 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2020-12-01 18:12:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:12:21,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 18:12:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 52 states and 79 transitions. [2020-12-01 18:12:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2020-12-01 18:12:23,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 18:12:23,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 9 proven. 62 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-01 18:12:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 100 transitions. [2020-12-01 18:12:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2020-12-01 18:12:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 18:12:24,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 44 proven. 193 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2020-12-01 18:12:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 124 transitions. [2020-12-01 18:12:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2020-12-01 18:12:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-12-01 18:12:26,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2995 backedges. 88 proven. 588 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2020-12-01 18:12:28,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 82 states and 151 transitions. [2020-12-01 18:12:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2020-12-01 18:12:28,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2020-12-01 18:12:28,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7277 backedges. 208 proven. 1069 refuted. 0 times theorem prover too weak. 6000 trivial. 0 not checked. [2020-12-01 18:12:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 92 states and 181 transitions. [2020-12-01 18:12:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2020-12-01 18:12:30,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2020-12-01 18:12:30,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14700 backedges. 317 proven. 1629 refuted. 0 times theorem prover too weak. 12754 trivial. 0 not checked. [2020-12-01 18:12:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 99 states and 156 transitions. [2020-12-01 18:12:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions. [2020-12-01 18:12:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2020-12-01 18:12:34,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7277 backedges. 750 proven. 171 refuted. 0 times theorem prover too weak. 6356 trivial. 0 not checked. [2020-12-01 18:12:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:35,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 99 states and 152 transitions. [2020-12-01 18:12:35,693 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2020-12-01 18:12:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2020-12-01 18:12:35,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 302 proven. 914 refuted. 0 times theorem prover too weak. 11188 trivial. 0 not checked. [2020-12-01 18:12:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 99 states and 150 transitions. [2020-12-01 18:12:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 150 transitions. [2020-12-01 18:12:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2020-12-01 18:12:36,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 573 proven. 839 refuted. 0 times theorem prover too weak. 13181 trivial. 0 not checked. [2020-12-01 18:12:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 99 states and 145 transitions. [2020-12-01 18:12:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 145 transitions. [2020-12-01 18:12:37,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2020-12-01 18:12:37,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 849 proven. 481 refuted. 0 times theorem prover too weak. 8083 trivial. 0 not checked. [2020-12-01 18:12:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 99 states and 143 transitions. [2020-12-01 18:12:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2020-12-01 18:12:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2020-12-01 18:12:39,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5352 backedges. 393 proven. 387 refuted. 0 times theorem prover too weak. 4572 trivial. 0 not checked. [2020-12-01 18:12:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:39,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 99 states and 142 transitions. [2020-12-01 18:12:39,879 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2020-12-01 18:12:39,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2020-12-01 18:12:39,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 7249 backedges. 393 proven. 763 refuted. 0 times theorem prover too weak. 6093 trivial. 0 not checked. [2020-12-01 18:12:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 99 states and 138 transitions. [2020-12-01 18:12:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2020-12-01 18:12:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2020-12-01 18:12:40,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 0 proven. 2033 refuted. 0 times theorem prover too weak. 4049 trivial. 0 not checked. [2020-12-01 18:13:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 137 states and 212 transitions. [2020-12-01 18:13:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 212 transitions. [2020-12-01 18:13:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2020-12-01 18:13:27,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8491 backedges. 332 proven. 928 refuted. 0 times theorem prover too weak. 7231 trivial. 0 not checked. [2020-12-01 18:13:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 97 states and 129 transitions. [2020-12-01 18:13:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 129 transitions. [2020-12-01 18:13:29,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:13:29,334 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2020-12-01 18:13:29,342 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:13:29,736 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 1 [2020-12-01 18:13:30,283 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 1 [2020-12-01 18:13:30,385 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:13:30,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:13:30 ImpRootNode [2020-12-01 18:13:30,389 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:13:30,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:13:30,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:13:30,390 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:13:30,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:12:16" (3/4) ... [2020-12-01 18:13:30,393 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:13:30,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2020-12-01 18:13:30,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2020-12-01 18:13:30,414 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:13:30,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 18:13:30,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:13:30,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:13:30,483 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7d574bf8-0a4f-4f9e-aca7-a98cd995c445/bin/ukojak/witness.graphml [2020-12-01 18:13:30,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:13:30,485 INFO L168 Benchmark]: Toolchain (without parser) took 74789.61 ms. Allocated memory was 83.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 52.2 MB in the beginning and 900.0 MB in the end (delta: -847.8 MB). Peak memory consumption was 184.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:30,485 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 57.5 MB in the beginning and 57.4 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:13:30,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.82 ms. Allocated memory is still 83.9 MB. Free memory was 51.8 MB in the beginning and 61.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:30,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 83.9 MB. Free memory was 61.7 MB in the beginning and 60.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:13:30,488 INFO L168 Benchmark]: Boogie Preprocessor took 31.75 ms. Allocated memory is still 83.9 MB. Free memory was 60.5 MB in the beginning and 59.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:30,488 INFO L168 Benchmark]: RCFGBuilder took 450.37 ms. Allocated memory is still 83.9 MB. Free memory was 59.4 MB in the beginning and 45.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:30,489 INFO L168 Benchmark]: CodeCheck took 73823.92 ms. Allocated memory was 83.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 45.1 MB in the beginning and 903.2 MB in the end (delta: -858.1 MB). Peak memory consumption was 174.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:30,490 INFO L168 Benchmark]: Witness Printer took 93.69 ms. Allocated memory is still 1.1 GB. Free memory was 903.2 MB in the beginning and 900.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:30,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 72.7s, OverallIterations: 23, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42272852 SDtfs, 27589332 SDslu, 44343520 SDs, 0 SdLazy, 138739332 SolverSat, 34712812 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25073 GetRequests, 24047 SyntacticMatches, 554 SemanticMatches, 472 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107749 ImplicationChecksByTransitivity, 61.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 6393 NumberOfCodeBlocks, 6393 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 6371 ConstructedInterpolants, 0 QuantifiedInterpolants, 4432315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 86673/96779 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: 4]: 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: 40]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 57.5 MB in the beginning and 57.4 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 338.82 ms. Allocated memory is still 83.9 MB. Free memory was 51.8 MB in the beginning and 61.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 83.9 MB. Free memory was 61.7 MB in the beginning and 60.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.75 ms. Allocated memory is still 83.9 MB. Free memory was 60.5 MB in the beginning and 59.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 450.37 ms. Allocated memory is still 83.9 MB. Free memory was 59.4 MB in the beginning and 45.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 73823.92 ms. Allocated memory was 83.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 45.1 MB in the beginning and 903.2 MB in the end (delta: -858.1 MB). Peak memory consumption was 174.5 MB. Max. memory is 16.1 GB. * Witness Printer took 93.69 ms. Allocated memory is still 1.1 GB. Free memory was 903.2 MB in the beginning and 900.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...