./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/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 f345f307410a5ddbdd0513896d69ca703c67be23 ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 01:30:32,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:30:32,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:30:32,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:30:32,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:30:32,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:30:32,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:30:32,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:30:32,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:30:32,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:30:32,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:30:32,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:30:32,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:30:32,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:30:32,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:30:32,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:30:32,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:30:32,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:30:32,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:30:32,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:30:32,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:30:32,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:30:32,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:30:32,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:30:32,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:30:32,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:30:32,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:30:32,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:30:32,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:30:32,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:30:32,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:30:32,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:30:32,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:30:32,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:30:32,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:30:32,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:30:32,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:30:32,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:30:32,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:30:32,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:30:32,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:30:32,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 01:30:32,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:30:32,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:30:32,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 01:30:32,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 01:30:32,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:30:32,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:30:32,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:30:32,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 01:30:32,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 01:30:32,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 01:30:32,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:30:32,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 01:30:32,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:30:32,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 01:30:32,456 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 01:30:32,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 01:30:32,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:30:32,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 01:30:32,456 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:30:32,456 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:30:32,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:30:32,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:30:32,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:30:32,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:30:32,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:30:32,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 01:30:32,457 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 01:30:32,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 01:30:32,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 01:30:32,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/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 -> f345f307410a5ddbdd0513896d69ca703c67be23 [2019-12-02 01:30:32,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:30:32,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:30:32,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:30:32,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:30:32,571 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:30:32,572 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-12-02 01:30:32,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/data/394cb9df0/be66df5175a84ca8870d8b99129401bd/FLAGd4c9dbbb2 [2019-12-02 01:30:33,039 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:30:33,039 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-12-02 01:30:33,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/data/394cb9df0/be66df5175a84ca8870d8b99129401bd/FLAGd4c9dbbb2 [2019-12-02 01:30:33,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/data/394cb9df0/be66df5175a84ca8870d8b99129401bd [2019-12-02 01:30:33,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:30:33,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:30:33,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:30:33,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:30:33,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:30:33,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605e252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33, skipping insertion in model container [2019-12-02 01:30:33,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:30:33,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:30:33,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:30:33,187 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 01:30:33,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:30:33,246 INFO L208 MainTranslator]: Completed translation [2019-12-02 01:30:33,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33 WrapperNode [2019-12-02 01:30:33,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:30:33,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 01:30:33,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 01:30:33,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 01:30:33,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 01:30:33,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 01:30:33,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 01:30:33,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 01:30:33,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 01:30:33,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 01:30:33,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 01:30:33,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 01:30:33,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:30:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/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 [2019-12-02 01:30:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-12-02 01:30:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-12-02 01:30:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 01:30:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 01:30:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-12-02 01:30:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-12-02 01:30:33,453 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 01:30:33,453 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-02 01:30:33,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:30:33 BoogieIcfgContainer [2019-12-02 01:30:33,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 01:30:33,454 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 01:30:33,455 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 01:30:33,461 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 01:30:33,461 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:30:33" (1/1) ... [2019-12-02 01:30:33,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 01:30:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2019-12-02 01:30:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-12-02 01:30:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 01:30:33,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:30:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:30:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2019-12-02 01:30:33,685 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-12-02 01:30:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 01:30:33,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:30:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:30:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2019-12-02 01:30:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2019-12-02 01:30:34,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 01:30:34,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:30:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 01:30:34,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2019-12-02 01:30:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2019-12-02 01:30:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 01:30:34,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:30:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:30:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:35,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2019-12-02 01:30:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2019-12-02 01:30:35,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 01:30:35,209 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2019-12-02 01:30:35,215 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 01:30:35,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:30:35 ImpRootNode [2019-12-02 01:30:35,331 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 01:30:35,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 01:30:35,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 01:30:35,332 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 01:30:35,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:30:33" (3/4) ... [2019-12-02 01:30:35,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 01:30:35,338 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2019-12-02 01:30:35,339 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-12-02 01:30:35,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-02 01:30:35,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 01:30:35,373 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f70450d-1922-4b0e-a3c3-6bb7f4ea16d9/bin/ukojak/witness.graphml [2019-12-02 01:30:35,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 01:30:35,375 INFO L168 Benchmark]: Toolchain (without parser) took 2318.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 946.2 MB in the beginning and 979.7 MB in the end (delta: -33.5 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2019-12-02 01:30:35,375 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:30:35,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-02 01:30:35,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:30:35,376 INFO L168 Benchmark]: Boogie Preprocessor took 12.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:30:35,377 INFO L168 Benchmark]: RCFGBuilder took 173.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-02 01:30:35,377 INFO L168 Benchmark]: CodeCheck took 1877.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 986.6 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2019-12-02 01:30:35,378 INFO L168 Benchmark]: Witness Printer took 41.47 ms. Allocated memory is still 1.1 GB. Free memory was 986.6 MB in the beginning and 979.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-02 01:30:35,380 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 3 procedures, 20 locations, 1 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 200 SDtfs, 68 SDslu, 104 SDs, 0 SdLazy, 416 SolverSat, 208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 511 GetRequests, 453 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 4284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 12/14 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: 25]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 190.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 173.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1877.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 986.6 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. * Witness Printer took 41.47 ms. Allocated memory is still 1.1 GB. Free memory was 986.6 MB in the beginning and 979.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...