./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-lit/jm2006_true-unreach-call_true-termination.c.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_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006_true-unreach-call_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/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 37aa7dd2e80998c2241e95adb0e8008dc0337fe8 ............................................................................................................................................................................................................................. 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 13:12:38,352 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:12:38,353 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:12:38,360 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:12:38,360 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:12:38,361 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:12:38,362 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:12:38,363 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:12:38,364 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:12:38,365 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:12:38,365 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:12:38,365 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:12:38,366 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:12:38,367 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:12:38,367 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:12:38,368 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:12:38,368 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:12:38,369 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:12:38,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:12:38,372 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:12:38,373 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:12:38,373 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:12:38,375 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:12:38,375 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:12:38,376 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:12:38,376 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:12:38,377 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:12:38,377 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:12:38,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:12:38,379 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:12:38,379 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:12:38,379 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:12:38,380 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:12:38,380 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:12:38,380 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:12:38,381 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:12:38,381 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 13:12:38,388 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:12:38,389 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:12:38,389 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:12:38,389 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:12:38,390 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:12:38,390 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:12:38,390 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:12:38,390 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:12:38,390 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:12:38,391 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:12:38,391 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:12:38,391 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:12:38,391 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:12:38,391 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:12:38,391 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:12:38,391 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:12:38,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:12:38,392 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 13:12:38,392 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 13:12:38,392 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:12:38,392 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:12:38,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 13:12:38,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:12:38,392 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:12:38,392 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:12:38,393 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 13:12:38,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:12:38,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:12:38,393 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_134266bc-54df-41d3-a9c7-5b50cf636377/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 -> 37aa7dd2e80998c2241e95adb0e8008dc0337fe8 [2018-11-10 13:12:38,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:12:38,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:12:38,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:12:38,429 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:12:38,429 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:12:38,430 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/../../sv-benchmarks/c/loop-lit/jm2006_true-unreach-call_true-termination.c.i [2018-11-10 13:12:38,471 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/data/009ff034a/15a4eb86ea32454297521a3b8453e498/FLAGac6ad021b [2018-11-10 13:12:38,802 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:12:38,802 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/sv-benchmarks/c/loop-lit/jm2006_true-unreach-call_true-termination.c.i [2018-11-10 13:12:38,807 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/data/009ff034a/15a4eb86ea32454297521a3b8453e498/FLAGac6ad021b [2018-11-10 13:12:38,817 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/data/009ff034a/15a4eb86ea32454297521a3b8453e498 [2018-11-10 13:12:38,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:12:38,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:12:38,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:12:38,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:12:38,824 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:12:38,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:38,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372d3e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38, skipping insertion in model container [2018-11-10 13:12:38,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:38,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:12:38,847 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:12:38,951 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:12:38,953 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:12:38,964 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:12:38,973 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:12:38,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38 WrapperNode [2018-11-10 13:12:38,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:12:38,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:12:38,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:12:38,975 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:12:38,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:38,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:38,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:12:38,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:12:38,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:12:38,996 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:12:39,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:39,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:39,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:39,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:39,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:39,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:39,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... [2018-11-10 13:12:39,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:12:39,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:12:39,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:12:39,008 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:12:39,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:12:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/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 13:12:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:12:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:12:39,204 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:12:39,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:12:39 BoogieIcfgContainer [2018-11-10 13:12:39,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:12:39,205 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 13:12:39,205 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 13:12:39,212 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 13:12:39,212 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:12:39" (1/1) ... [2018-11-10 13:12:39,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:12:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:12:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-11-10 13:12:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-11-10 13:12:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 13:12:39,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:12:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:12:39,323 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 13:12:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:12:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-11-10 13:12:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-11-10 13:12:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 13:12:39,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:12:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:12:39,458 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 13:12:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:12:39,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2018-11-10 13:12:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-11-10 13:12:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 13:12:39,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:12:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:12:39,690 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 13:12:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:12:39,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-11-10 13:12:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-11-10 13:12:39,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:12:39,776 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-10 13:12:39,784 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 13:12:39,806 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:12:39,812 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:12:39,812 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 13:12:39,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:12:39 ImpRootNode [2018-11-10 13:12:39,817 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 13:12:39,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:12:39,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:12:39,818 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:12:39,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:12:39" (3/4) ... [2018-11-10 13:12:39,821 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:12:39,829 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 13:12:39,829 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 13:12:39,829 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 13:12:39,862 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_134266bc-54df-41d3-a9c7-5b50cf636377/bin-2019/ukojak/witness.graphml [2018-11-10 13:12:39,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:12:39,863 INFO L168 Benchmark]: Toolchain (without parser) took 1042.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -106.7 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:12:39,864 INFO L168 Benchmark]: CDTParser took 0.15 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 13:12:39,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.45 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:12:39,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.28 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:12:39,865 INFO L168 Benchmark]: Boogie Preprocessor took 11.53 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:12:39,866 INFO L168 Benchmark]: RCFGBuilder took 197.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:12:39,866 INFO L168 Benchmark]: CodeCheck took 612.54 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: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:12:39,867 INFO L168 Benchmark]: Witness Printer took 44.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:12:39,869 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, 14 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52 SDtfs, 12 SDslu, 16 SDs, 0 SdLazy, 98 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 153 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 1329 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: 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: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: x + j <= y + i && y + i <= x + j * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 152.45 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 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 21.28 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.53 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 197.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 612.54 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: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...