./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_6_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_6_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/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 fc492c809d432e4c3053fa8c39191c1c15ea4eea ..................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:09:05,334 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:09:05,335 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:09:05,341 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:09:05,341 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:09:05,342 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:09:05,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:09:05,343 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:09:05,344 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:09:05,344 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:09:05,345 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:09:05,345 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:09:05,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:09:05,346 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:09:05,346 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:09:05,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:09:05,347 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:09:05,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:09:05,351 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:09:05,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:09:05,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:09:05,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:09:05,355 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:09:05,355 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:09:05,355 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:09:05,356 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:09:05,356 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:09:05,357 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:09:05,357 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:09:05,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:09:05,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:09:05,358 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:09:05,358 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:09:05,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:09:05,359 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:09:05,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:09:05,360 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 01:09:05,367 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:09:05,367 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:09:05,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:09:05,367 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:09:05,368 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:09:05,368 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:09:05,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:09:05,368 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:09:05,368 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:09:05,368 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:09:05,369 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:09:05,369 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:09:05,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:09:05,369 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:09:05,369 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:09:05,369 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:09:05,369 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:09:05,369 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:09:05,369 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:09:05,370 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:09:05,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:09:05,370 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:09:05,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:09:05,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:09:05,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:09:05,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:09:05,371 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:09:05,371 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:09:05,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:09:05,371 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/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 -> fc492c809d432e4c3053fa8c39191c1c15ea4eea [2018-11-23 01:09:05,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:09:05,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:09:05,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:09:05,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:09:05,410 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:09:05,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_6_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 01:09:05,456 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/data/602edf86e/f5dba6df18a745e29b5e08a97dc0cd7c/FLAG77606f277 [2018-11-23 01:09:05,779 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:09:05,779 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/sv-benchmarks/c/locks/test_locks_6_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 01:09:05,785 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/data/602edf86e/f5dba6df18a745e29b5e08a97dc0cd7c/FLAG77606f277 [2018-11-23 01:09:05,797 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/data/602edf86e/f5dba6df18a745e29b5e08a97dc0cd7c [2018-11-23 01:09:05,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:09:05,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:09:05,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:09:05,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:09:05,805 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:09:05,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:05,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05, skipping insertion in model container [2018-11-23 01:09:05,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:05,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:09:05,831 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:09:05,956 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:09:05,958 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:09:05,972 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:09:05,980 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:09:05,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05 WrapperNode [2018-11-23 01:09:05,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:09:05,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:09:05,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:09:05,981 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:09:05,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:05,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:06,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:09:06,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:09:06,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:09:06,002 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:09:06,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:06,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:06,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:06,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:06,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:06,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:06,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... [2018-11-23 01:09:06,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:09:06,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:09:06,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:09:06,017 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:09:06,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/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 [2018-11-23 01:09:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:09:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:09:06,311 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:09:06,311 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 01:09:06,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:06 BoogieIcfgContainer [2018-11-23 01:09:06,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:09:06,312 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:09:06,312 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:09:06,320 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:09:06,321 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:06" (1/1) ... [2018-11-23 01:09:06,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:09:06,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2018-11-23 01:09:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2018-11-23 01:09:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 01:09:06,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:06,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:06,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-23 01:09:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-23 01:09:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 01:09:06,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:06,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2018-11-23 01:09:06,711 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2018-11-23 01:09:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 01:09:06,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2018-11-23 01:09:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2018-11-23 01:09:06,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 01:09:06,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:07,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-23 01:09:07,063 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-23 01:09:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 01:09:07,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:07,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-23 01:09:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-23 01:09:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 01:09:07,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:07,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:07,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-11-23 01:09:07,233 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-11-23 01:09:07,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 01:09:07,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:07,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2018-11-23 01:09:07,644 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2018-11-23 01:09:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 01:09:07,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-23 01:09:07,748 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-23 01:09:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 01:09:07,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-11-23 01:09:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-11-23 01:09:07,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 01:09:07,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-11-23 01:09:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-11-23 01:09:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 01:09:08,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:08,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-11-23 01:09:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-11-23 01:09:08,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:09:08,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-11-23 01:09:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-11-23 01:09:08,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:09:08,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-23 01:09:08,691 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-23 01:09:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:09:08,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:08,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:08,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-11-23 01:09:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-11-23 01:09:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:09:08,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:09,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-11-23 01:09:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-11-23 01:09:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:09:09,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-11-23 01:09:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-11-23 01:09:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:09:09,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:09,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-11-23 01:09:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-11-23 01:09:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:09:09,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:09,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2018-11-23 01:09:09,976 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2018-11-23 01:09:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:09:09,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:09,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2018-11-23 01:09:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2018-11-23 01:09:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:09:10,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:10,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:10,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-11-23 01:09:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-23 01:09:10,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:09:10,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:09:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:09:10,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:09:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:09:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-11-23 01:09:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-11-23 01:09:10,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:09:10,405 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2018-11-23 01:09:10,413 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 01:09:10,494 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:09:10,496 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:09:10,496 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:09:10,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:09:10 ImpRootNode [2018-11-23 01:09:10,497 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:09:10,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:09:10,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:09:10,497 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:09:10,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:06" (3/4) ... [2018-11-23 01:09:10,500 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:09:10,506 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 01:09:10,506 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 01:09:10,507 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:09:10,546 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ae987f6-3e84-4a09-ab14-654efa6f233e/bin-2019/ukojak/witness.graphml [2018-11-23 01:09:10,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:09:10,548 INFO L168 Benchmark]: Toolchain (without parser) took 4747.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 958.2 MB in the beginning and 873.0 MB in the end (delta: 85.1 MB). Peak memory consumption was 265.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:09:10,549 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:09:10,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.58 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:09:10,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.38 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:09:10,550 INFO L168 Benchmark]: Boogie Preprocessor took 14.60 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:09:10,550 INFO L168 Benchmark]: RCFGBuilder took 295.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:09:10,550 INFO L168 Benchmark]: CodeCheck took 4184.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 877.6 MB in the end (delta: 234.0 MB). Peak memory consumption was 277.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:09:10,550 INFO L168 Benchmark]: Witness Printer took 49.43 ms. Allocated memory is still 1.2 GB. Free memory was 877.6 MB in the beginning and 873.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:09:10,553 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 27 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 22 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12582912 SDtfs, 7273660 SDslu, 0 SDs, 0 SdLazy, 35677816 SolverSat, 13482428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1933 GetRequests, 1789 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8613 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 8280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 105]: 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: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.58 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.38 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.60 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 295.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * CodeCheck took 4184.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 877.6 MB in the end (delta: 234.0 MB). Peak memory consumption was 277.5 MB. Max. memory is 11.5 GB. * Witness Printer took 49.43 ms. Allocated memory is still 1.2 GB. Free memory was 877.6 MB in the beginning and 873.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...