./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/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 a2dbe578aaa8f4d94b72aa1723f297c002a26229 ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:04:14,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:04:14,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:04:14,551 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:04:14,551 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:04:14,552 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:04:14,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:04:14,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:04:14,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:04:14,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:04:14,556 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:04:14,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:04:14,557 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:04:14,558 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:04:14,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:04:14,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:04:14,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:04:14,561 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:04:14,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:04:14,564 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:04:14,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:04:14,565 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:04:14,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:04:14,567 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:04:14,567 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:04:14,568 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:04:14,569 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:04:14,569 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:04:14,570 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:04:14,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:04:14,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:04:14,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:04:14,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:04:14,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:04:14,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:04:14,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:04:14,573 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:04:14,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:04:14,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:04:14,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:04:14,582 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:04:14,582 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:04:14,582 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:04:14,583 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:04:14,583 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:04:14,583 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:04:14,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:04:14,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:04:14,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:04:14,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:04:14,584 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:04:14,584 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:04:14,584 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:04:14,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:04:14,584 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:04:14,584 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:04:14,585 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:04:14,585 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:04:14,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:04:14,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:04:14,585 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:04:14,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:04:14,586 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:04:14,586 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:04:14,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:04:14,586 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_4f7d9585-0dd6-45d2-8d54-f765a06abe91/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 -> a2dbe578aaa8f4d94b72aa1723f297c002a26229 [2018-11-10 12:04:14,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:04:14,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:04:14,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:04:14,620 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:04:14,620 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:04:14,620 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-10 12:04:14,665 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/data/0f7fcdc7a/b6595e9f3e8b4f62848ae0dad0081ea1/FLAG00aa44693 [2018-11-10 12:04:14,958 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:04:14,958 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-10 12:04:14,962 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/data/0f7fcdc7a/b6595e9f3e8b4f62848ae0dad0081ea1/FLAG00aa44693 [2018-11-10 12:04:14,971 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/data/0f7fcdc7a/b6595e9f3e8b4f62848ae0dad0081ea1 [2018-11-10 12:04:14,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:04:14,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:04:14,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:04:14,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:04:14,979 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:04:14,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:14" (1/1) ... [2018-11-10 12:04:14,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f67bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:14, skipping insertion in model container [2018-11-10 12:04:14,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:14" (1/1) ... [2018-11-10 12:04:14,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:04:15,000 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:04:15,091 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:04:15,104 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:04:15,114 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:04:15,139 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:04:15,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15 WrapperNode [2018-11-10 12:04:15,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:04:15,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:04:15,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:04:15,140 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:04:15,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... [2018-11-10 12:04:15,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... [2018-11-10 12:04:15,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:04:15,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:04:15,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:04:15,175 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:04:15,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... [2018-11-10 12:04:15,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... [2018-11-10 12:04:15,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... [2018-11-10 12:04:15,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... [2018-11-10 12:04:15,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... [2018-11-10 12:04:15,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... [2018-11-10 12:04:15,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... [2018-11-10 12:04:15,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:04:15,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:04:15,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:04:15,207 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:04:15,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/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 [2018-11-10 12:04:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 12:04:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:04:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:04:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:04:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 12:04:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 12:07:02,187 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:07:02,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:02 BoogieIcfgContainer [2018-11-10 12:07:02,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:07:02,188 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:07:02,188 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:07:02,195 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:07:02,196 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:02" (1/1) ... [2018-11-10 12:07:02,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:07:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:07:02,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:07:02,226 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:07:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:07:02,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:07:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:07:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:07:02,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:07:02,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-10 12:07:02,399 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-10 12:07:02,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:07:02,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:07:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:07:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:07:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:07:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 12:07:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 12:07:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 12:07:03,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:07:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:07:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:07:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:07:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2018-11-10 12:07:04,729 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2018-11-10 12:07:04,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:07:04,729 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-10 12:07:04,736 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:07:04,751 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:07:04,754 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 12:07:04,756 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:07:04,759 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:07:04,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:07:04 ImpRootNode [2018-11-10 12:07:04,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:07:04,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:07:04,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:07:04,760 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:07:04,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:02" (3/4) ... [2018-11-10 12:07:04,763 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:07:04,773 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2018-11-10 12:07:04,774 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-11-10 12:07:04,774 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-11-10 12:07:04,774 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 12:07:04,775 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 12:07:04,824 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4f7d9585-0dd6-45d2-8d54-f765a06abe91/bin-2019/ukojak/witness.graphml [2018-11-10 12:07:04,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:07:04,824 INFO L168 Benchmark]: Toolchain (without parser) took 169850.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 961.9 MB in the beginning and 999.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:07:04,825 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:07:04,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 944.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:07:04,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.50 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:07:04,826 INFO L168 Benchmark]: Boogie Preprocessor took 32.38 ms. Allocated memory is still 1.0 GB. Free memory was 944.8 MB in the beginning and 939.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:07:04,826 INFO L168 Benchmark]: RCFGBuilder took 166980.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 939.4 MB in the beginning and 903.0 MB in the end (delta: 36.3 MB). Peak memory consumption was 178.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:07:04,826 INFO L168 Benchmark]: CodeCheck took 2571.80 ms. Allocated memory is still 1.2 GB. Free memory was 903.0 MB in the beginning and 1.0 GB in the end (delta: -101.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:07:04,827 INFO L168 Benchmark]: Witness Printer took 63.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:07:04,828 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, 221 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 28 SDslu, 8 SDs, 0 SdLazy, 138 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 837 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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: 20]: 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: 12]: Loop Invariant [2018-11-10 12:07:04,830 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:07:04,830 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((!(x == y) && i == 0) && 0 <= x) && x <= 0) && 0 == unknown-#memory_int-unknown[x][x] * 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.05 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 944.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.50 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.38 ms. Allocated memory is still 1.0 GB. Free memory was 944.8 MB in the beginning and 939.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 166980.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 939.4 MB in the beginning and 903.0 MB in the end (delta: 36.3 MB). Peak memory consumption was 178.6 MB. Max. memory is 11.5 GB. * CodeCheck took 2571.80 ms. Allocated memory is still 1.2 GB. Free memory was 903.0 MB in the beginning and 1.0 GB in the end (delta: -101.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 63.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...