./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01f6eb21817013b641802ab6861c8631a3bc6c67 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:37:43,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:37:43,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:37:43,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:37:43,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:37:43,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:37:43,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:37:43,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:37:43,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:37:43,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:37:43,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:37:43,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:37:43,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:37:43,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:37:43,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:37:43,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:37:43,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:37:43,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:37:43,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:37:43,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:37:43,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:37:43,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:37:43,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:37:43,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:37:43,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:37:43,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:37:43,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:37:43,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:37:43,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:37:43,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:37:43,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:37:43,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:37:43,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:37:43,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:37:43,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:37:43,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:37:43,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:37:43,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:37:43,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:37:43,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:37:43,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:37:43,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:37:43,479 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:37:43,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:37:43,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:37:43,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:37:43,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:37:43,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:37:43,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:37:43,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:37:43,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:37:43,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:37:43,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:37:43,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:37:43,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:37:43,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:37:43,484 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:37:43,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:37:43,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:37:43,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:37:43,484 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:37:43,485 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:37:43,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:37:43,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:37:43,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:43,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:37:43,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:37:43,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:37:43,486 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:37:43,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:37:43,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:37:43,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01f6eb21817013b641802ab6861c8631a3bc6c67 [2020-11-28 04:37:43,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:37:43,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:37:43,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:37:43,794 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:37:43,795 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:37:43,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/../../sv-benchmarks/c/loop-lit/cggmp2005.i [2020-11-28 04:37:43,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/data/b73c2bc30/b5ac7064976d4257b535b19800d7fcc4/FLAG716bbb15e [2020-11-28 04:37:44,333 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:37:44,333 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/sv-benchmarks/c/loop-lit/cggmp2005.i [2020-11-28 04:37:44,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/data/b73c2bc30/b5ac7064976d4257b535b19800d7fcc4/FLAG716bbb15e [2020-11-28 04:37:44,714 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/data/b73c2bc30/b5ac7064976d4257b535b19800d7fcc4 [2020-11-28 04:37:44,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:37:44,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:37:44,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:44,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:37:44,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:37:44,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:44,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eee88f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44, skipping insertion in model container [2020-11-28 04:37:44,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:44,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:37:44,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:37:44,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:44,953 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:37:44,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:44,994 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:37:44,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44 WrapperNode [2020-11-28 04:37:44,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:44,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:44,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:37:44,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:37:45,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:45,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:45,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:45,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:37:45,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:37:45,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:37:45,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:45,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:45,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:45,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:45,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:45,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:45,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... [2020-11-28 04:37:45,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:37:45,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:37:45,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:37:45,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:37:45,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/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 [2020-11-28 04:37:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:37:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:37:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:37:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:37:45,433 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:37:45,433 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:37:45,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:45 BoogieIcfgContainer [2020-11-28 04:37:45,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:37:45,436 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:37:45,436 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:37:45,446 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:37:45,446 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:45" (1/1) ... [2020-11-28 04:37:45,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:37:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-28 04:37:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-28 04:37:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:37:45,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:45,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2020-11-28 04:37:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-11-28 04:37:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:37:45,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2020-11-28 04:37:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-11-28 04:37:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:37:45,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2020-11-28 04:37:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-11-28 04:37:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:37:46,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2020-11-28 04:37:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-11-28 04:37:46,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:37:46,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2020-11-28 04:37:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-11-28 04:37:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:37:47,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:48,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2020-11-28 04:37:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-11-28 04:37:48,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:37:48,057 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2020-11-28 04:37:48,063 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:37:48,111 INFO L569 CodeCheckObserver]: Invariant with dag size 35 [2020-11-28 04:37:48,123 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:37:48,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:37:48 ImpRootNode [2020-11-28 04:37:48,124 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:37:48,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:37:48,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:37:48,125 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:37:48,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:45" (3/4) ... [2020-11-28 04:37:48,128 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:37:48,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 04:37:48,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-28 04:37:48,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:37:48,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:37:48,174 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8d53e1eb-54d1-4c4c-90e7-1b3b06085ea6/bin/ukojak/witness.graphml [2020-11-28 04:37:48,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:37:48,176 INFO L168 Benchmark]: Toolchain (without parser) took 3457.34 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 80.0 MB in the beginning and 68.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:48,177 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:48,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.92 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 88.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:48,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.95 ms. Allocated memory is still 111.1 MB. Free memory was 88.6 MB in the beginning and 87.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:48,179 INFO L168 Benchmark]: Boogie Preprocessor took 17.03 ms. Allocated memory is still 111.1 MB. Free memory was 87.2 MB in the beginning and 86.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:48,180 INFO L168 Benchmark]: RCFGBuilder took 376.21 ms. Allocated memory is still 111.1 MB. Free memory was 86.1 MB in the beginning and 73.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:48,180 INFO L168 Benchmark]: CodeCheck took 2687.61 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 73.5 MB in the beginning and 72.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:48,181 INFO L168 Benchmark]: Witness Printer took 49.83 ms. Allocated memory is still 134.2 MB. Free memory was 72.1 MB in the beginning and 68.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:48,185 INFO L339 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, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 128 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 570 SolverSat, 398 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 335 GetRequests, 265 SyntacticMatches, 10 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1487 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 11/35 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: 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: 28]: Loop Invariant Derived loop invariant: ((((((j <= i + 6 && j <= 9) && i + 6 <= j) && 9 <= j) || ((i == 1 && j <= 10) && 10 <= j)) || (((j < i + 6 && j <= 8) && i + 3 <= j) && 8 <= j)) || (((j <= 7 && 7 <= j) && i <= j) && j < i + 3)) || ((j < i && 6 <= j) && j <= 6) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 276.92 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 88.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.95 ms. Allocated memory is still 111.1 MB. Free memory was 88.6 MB in the beginning and 87.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.03 ms. Allocated memory is still 111.1 MB. Free memory was 87.2 MB in the beginning and 86.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 376.21 ms. Allocated memory is still 111.1 MB. Free memory was 86.1 MB in the beginning and 73.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 2687.61 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 73.5 MB in the beginning and 72.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. * Witness Printer took 49.83 ms. Allocated memory is still 134.2 MB. Free memory was 72.1 MB in the beginning and 68.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...