./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested5_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested5_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/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 58c483ef37358c272383ba8c3b69f22948f7d8e5 .............................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:24:24,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:24:24,565 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:24:24,571 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:24:24,571 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:24:24,572 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:24:24,572 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:24:24,573 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:24:24,574 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:24:24,574 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:24:24,574 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:24:24,575 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:24:24,575 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:24:24,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:24:24,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:24:24,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:24:24,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:24:24,577 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:24:24,578 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:24:24,579 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:24:24,579 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:24:24,580 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:24:24,581 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:24:24,581 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:24:24,581 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:24:24,582 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:24:24,582 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:24:24,582 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:24:24,583 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:24:24,583 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:24:24,583 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:24:24,584 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:24:24,584 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:24:24,584 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:24:24,584 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:24:24,585 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:24:24,585 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 17:24:24,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:24:24,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:24:24,592 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:24:24,592 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 17:24:24,592 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 17:24:24,592 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 17:24:24,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:24:24,593 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:24:24,594 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:24:24,594 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 17:24:24,594 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 17:24:24,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:24:24,594 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:24:24,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:24:24,594 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:24:24,594 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:24:24,594 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:24:24,594 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 17:24:24,595 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:24:24,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:24:24,595 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_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/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 -> 58c483ef37358c272383ba8c3b69f22948f7d8e5 [2018-12-09 17:24:24,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:24:24,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:24:24,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:24:24,620 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:24:24,621 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:24:24,621 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/../../sv-benchmarks/c/loops-crafted-1/nested5_true-unreach-call.c [2018-12-09 17:24:24,654 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/data/b5a35c10f/d2d8cab21af242cabd3958ba21a81353/FLAG589e36bc1 [2018-12-09 17:24:25,039 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:24:25,040 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/sv-benchmarks/c/loops-crafted-1/nested5_true-unreach-call.c [2018-12-09 17:24:25,043 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/data/b5a35c10f/d2d8cab21af242cabd3958ba21a81353/FLAG589e36bc1 [2018-12-09 17:24:25,051 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/data/b5a35c10f/d2d8cab21af242cabd3958ba21a81353 [2018-12-09 17:24:25,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:24:25,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:24:25,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:24:25,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:24:25,056 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:24:25,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25, skipping insertion in model container [2018-12-09 17:24:25,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:24:25,071 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:24:25,155 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:24:25,158 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:24:25,167 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:24:25,175 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:24:25,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25 WrapperNode [2018-12-09 17:24:25,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:24:25,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:24:25,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:24:25,176 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:24:25,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:24:25,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:24:25,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:24:25,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:24:25,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:24:25,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:24:25,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:24:25,236 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:24:25,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/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 [2018-12-09 17:24:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:24:25,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:24:25,412 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:24:25,412 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-12-09 17:24:25,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:25 BoogieIcfgContainer [2018-12-09 17:24:25,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:24:25,413 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 17:24:25,413 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 17:24:25,420 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 17:24:25,420 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:25" (1/1) ... [2018-12-09 17:24:25,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:24:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:25,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2018-12-09 17:24:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2018-12-09 17:24:25,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 17:24:25,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-12-09 17:24:25,582 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-12-09 17:24:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 17:24:25,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:25,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-12-09 17:24:25,652 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-12-09 17:24:25,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 17:24:25,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:25,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:25,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-12-09 17:24:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-12-09 17:24:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 17:24:25,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-12-09 17:24:25,821 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-12-09 17:24:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 17:24:25,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-12-09 17:24:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-12-09 17:24:25,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 17:24:25,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-12-09 17:24:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-09 17:24:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 17:24:26,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-12-09 17:24:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-12-09 17:24:26,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 17:24:26,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:26,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-12-09 17:24:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-12-09 17:24:26,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 17:24:26,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:26,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-09 17:24:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-09 17:24:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 17:24:26,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:26,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-09 17:24:26,634 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-09 17:24:26,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 17:24:26,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-12-09 17:24:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-12-09 17:24:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 17:24:27,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:24:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:24:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:24:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2018-12-09 17:24:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-12-09 17:24:27,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:24:27,303 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-09 17:24:27,308 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 17:24:27,341 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:24:27,343 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:24:27,343 INFO L583 CodeCheckObserver]: Invariant with dag size 58 [2018-12-09 17:24:27,348 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:24:27,348 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:24:27,348 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:24:27,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:24:27 ImpRootNode [2018-12-09 17:24:27,349 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 17:24:27,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:24:27,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:24:27,349 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:24:27,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:25" (3/4) ... [2018-12-09 17:24:27,351 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:24:27,357 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 17:24:27,357 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 17:24:27,357 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 17:24:27,382 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ce7d81a-6d91-4bb2-b377-c5be1e2040be/bin-2019/ukojak/witness.graphml [2018-12-09 17:24:27,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:24:27,383 INFO L168 Benchmark]: Toolchain (without parser) took 2329.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 954.4 MB in the beginning and 923.0 MB in the end (delta: 31.4 MB). Peak memory consumption was 125.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:24:27,384 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:24:27,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.16 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:24:27,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.30 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:24:27,384 INFO L168 Benchmark]: Boogie Preprocessor took 40.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -148.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:24:27,385 INFO L168 Benchmark]: RCFGBuilder took 176.58 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:24:27,385 INFO L168 Benchmark]: CodeCheck took 1935.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 926.5 MB in the end (delta: 148.8 MB). Peak memory consumption was 148.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:24:27,385 INFO L168 Benchmark]: Witness Printer took 33.79 ms. Allocated memory is still 1.1 GB. Free memory was 926.5 MB in the beginning and 923.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:24:27,386 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, 18 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26624 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 24596 SolverSat, 24580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1202 GetRequests, 1031 SyntacticMatches, 119 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2388 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 9358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 11/286 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: 5]: 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: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((10 <= v && !(4294967296 * ((v + -4 * (v / 4)) / 4294967296) + 4 * (v / 4) == v)) && v / 4294967296 <= 0) || (0 <= v && v <= 0)) || (v <= 2 && 1 < v)) || (v <= 5 && 4 < v)) || (v <= 9 && 8 < v)) || (v <= 7 && 6 < v)) || (v <= 8 && 7 < v)) || (0 < v && v <= 1)) || (v <= 3 && 2 < v)) || (v <= 4 && 3 < v)) || (5 < v && v <= 6) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.16 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 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 19.30 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -148.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 176.58 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1935.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 926.5 MB in the end (delta: 148.8 MB). Peak memory consumption was 148.8 MB. Max. memory is 11.5 GB. * Witness Printer took 33.79 ms. Allocated memory is still 1.1 GB. Free memory was 926.5 MB in the beginning and 923.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...