./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/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 b4fbc36a28ccee76a98a185e0c5cc58738af3c30 ......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:43:15,165 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:43:15,166 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:43:15,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:43:15,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:43:15,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:43:15,176 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:43:15,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:43:15,178 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:43:15,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:43:15,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:43:15,180 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:43:15,181 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:43:15,181 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:43:15,182 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:43:15,183 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:43:15,183 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:43:15,185 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:43:15,186 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:43:15,187 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:43:15,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:43:15,189 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:43:15,190 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:43:15,191 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:43:15,191 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:43:15,192 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:43:15,192 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:43:15,193 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:43:15,194 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:43:15,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:43:15,195 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:43:15,195 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:43:15,195 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:43:15,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:43:15,196 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:43:15,197 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:43:15,197 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:43:15,207 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:43:15,207 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:43:15,208 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:43:15,208 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:43:15,209 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:43:15,209 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:43:15,209 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:43:15,209 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:43:15,209 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:43:15,209 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:43:15,210 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:43:15,210 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:43:15,210 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:43:15,210 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:43:15,210 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:43:15,210 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:43:15,210 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:43:15,210 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:43:15,211 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:43:15,211 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:43:15,211 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:43:15,211 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:43:15,211 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:43:15,211 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:43:15,211 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:43:15,212 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:43:15,212 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:43:15,212 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:43:15,212 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:43:15,212 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_0dba9163-e7f7-4c64-b262-f8124dfc490c/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 -> b4fbc36a28ccee76a98a185e0c5cc58738af3c30 [2018-11-18 18:43:15,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:43:15,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:43:15,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:43:15,249 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:43:15,250 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:43:15,250 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i [2018-11-18 18:43:15,292 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/data/017d9d462/a2ab7cf47a11454ba25834b528610c9e/FLAGa54feee15 [2018-11-18 18:43:15,647 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:43:15,647 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i [2018-11-18 18:43:15,653 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/data/017d9d462/a2ab7cf47a11454ba25834b528610c9e/FLAGa54feee15 [2018-11-18 18:43:16,085 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/data/017d9d462/a2ab7cf47a11454ba25834b528610c9e [2018-11-18 18:43:16,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:43:16,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:43:16,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:43:16,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:43:16,092 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:43:16,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2521d70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16, skipping insertion in model container [2018-11-18 18:43:16,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:43:16,122 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:43:16,275 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:43:16,278 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:43:16,292 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:43:16,310 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:43:16,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16 WrapperNode [2018-11-18 18:43:16,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:43:16,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:43:16,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:43:16,312 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:43:16,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:43:16,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:43:16,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:43:16,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:43:16,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:43:16,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:43:16,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:43:16,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:43:16,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/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 [2018-11-18 18:43:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 18:43:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:43:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:43:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:43:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 18:43:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:43:16,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:43:16,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:16 BoogieIcfgContainer [2018-11-18 18:43:16,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:43:16,623 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:43:16,623 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:43:16,634 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:43:16,634 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:16" (1/1) ... [2018-11-18 18:43:16,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:43:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-11-18 18:43:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-11-18 18:43:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:43:16,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:16,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:43:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 18:43:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 18:43:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 18:43:16,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:43:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-18 18:43:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-18 18:43:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 18:43:16,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:43:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:17,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-11-18 18:43:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-11-18 18:43:17,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:43:17,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:43:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2018-11-18 18:43:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2018-11-18 18:43:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 18:43:18,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:43:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2018-11-18 18:43:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2018-11-18 18:43:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 18:43:19,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:20,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:43:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-11-18 18:43:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-11-18 18:43:20,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:43:20,491 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-18 18:43:20,500 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:43:20,604 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:43:20,606 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-18 18:43:20,609 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,610 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,610 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,613 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,613 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,614 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:43:20 ImpRootNode [2018-11-18 18:43:20,615 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:43:20,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:43:20,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:43:20,615 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:43:20,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:16" (3/4) ... [2018-11-18 18:43:20,618 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:43:20,626 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 18:43:20,626 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 18:43:20,626 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:43:20,627 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 18:43:20,666 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0dba9163-e7f7-4c64-b262-f8124dfc490c/bin-2019/ukojak/witness.graphml [2018-11-18 18:43:20,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:43:20,667 INFO L168 Benchmark]: Toolchain (without parser) took 4579.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.3 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 121.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:20,668 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:43:20,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.94 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:20,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.33 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:20,669 INFO L168 Benchmark]: Boogie Preprocessor took 59.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:20,670 INFO L168 Benchmark]: RCFGBuilder took 221.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:20,670 INFO L168 Benchmark]: CodeCheck took 3991.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.7 MB). Peak memory consumption was 143.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:20,670 INFO L168 Benchmark]: Witness Printer took 51.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:43:20,672 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, 15 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 416 SDtfs, 240 SDslu, 128 SDs, 0 SdLazy, 1524 SolverSat, 456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 469 SyntacticMatches, 24 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3582 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 9979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/40 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: 3]: 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: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant [2018-11-18 18:43:20,674 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,674 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,674 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,674 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,675 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 18:43:20,675 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((marker == unknown-#memory_int-unknown[a][a + 4 * pos] && a == 0) && i <= pos) && 1 < i) || ((((marker == unknown-#memory_int-unknown[a][a + 4 * pos] && a == 0) && !(a + 4 * pos == 0)) && 0 <= pos) && i <= 1)) || (((marker == unknown-#memory_int-unknown[a][a + 4 * pos] && a == 0) && 0 <= pos) && i == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.94 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 29.33 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 221.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * CodeCheck took 3991.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.7 MB). Peak memory consumption was 143.5 MB. Max. memory is 11.5 GB. * Witness Printer took 51.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...