./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label37.c --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_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label37.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/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 7aaa3098cf193eaa0809f8d5f8344e63dd7e8dda .............................................................................................................................................................................................................................................................................................. 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 04:44:41,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:41,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:41,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:41,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:41,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:41,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:41,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:41,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:41,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:41,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:41,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:41,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:41,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:41,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:41,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:41,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:41,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:41,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:41,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:41,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:41,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:41,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:41,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:41,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:41,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:41,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:41,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:41,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:41,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:41,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:41,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:41,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:41,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:41,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:41,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:41,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:41,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:41,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:41,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:41,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:41,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:41,415 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:41,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:41,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:41,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:41,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:41,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:41,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:41,422 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:41,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:41,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:41,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:41,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:41,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:41,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:41,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:41,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:41,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:41,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:41,426 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:41,426 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:41,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:41,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:41,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:41,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:41,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:41,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:41,427 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:41,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:41,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:41,429 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_ee905c47-d433-4ce9-bf9f-2baca386eacb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aaa3098cf193eaa0809f8d5f8344e63dd7e8dda [2020-11-28 04:44:41,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:41,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:41,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:41,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:41,741 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:41,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label37.c [2020-11-28 04:44:41,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/data/d97b5b74d/e16052a16ecb4624aaa144723cf8fac3/FLAG55274c3bf [2020-11-28 04:44:42,560 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:42,569 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/sv-benchmarks/c/eca-rers2012/Problem02_label37.c [2020-11-28 04:44:42,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/data/d97b5b74d/e16052a16ecb4624aaa144723cf8fac3/FLAG55274c3bf [2020-11-28 04:44:42,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/data/d97b5b74d/e16052a16ecb4624aaa144723cf8fac3 [2020-11-28 04:44:42,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:42,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:42,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:42,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:42,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:42,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd6eb01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42, skipping insertion in model container [2020-11-28 04:44:42,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:42,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:43,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:43,299 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:43,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:43,470 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:43,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43 WrapperNode [2020-11-28 04:44:43,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:43,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:43,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:43,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:43,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:43,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:43,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:43,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:43,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:43,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:43,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:43,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:43,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/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 04:44:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:46,352 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:46,353 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:44:46,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:46 BoogieIcfgContainer [2020-11-28 04:44:46,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:46,356 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:46,356 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:46,367 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:46,367 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:46" (1/1) ... [2020-11-28 04:44:46,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2020-11-28 04:44:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2020-11-28 04:44:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-28 04:44:46,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,798 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 04:44:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2020-11-28 04:44:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2020-11-28 04:44:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-28 04:44:47,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2020-11-28 04:44:48,829 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2020-11-28 04:44:48,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-28 04:44:48,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:44:49,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 329 states and 427 transitions. [2020-11-28 04:44:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 427 transitions. [2020-11-28 04:44:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-28 04:44:49,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 347 states and 448 transitions. [2020-11-28 04:44:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 448 transitions. [2020-11-28 04:44:49,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-28 04:44:49,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:50,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 356 states and 459 transitions. [2020-11-28 04:44:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 459 transitions. [2020-11-28 04:44:50,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-28 04:44:50,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 374 states and 478 transitions. [2020-11-28 04:44:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 478 transitions. [2020-11-28 04:44:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-28 04:44:50,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-28 04:44:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 375 states and 480 transitions. [2020-11-28 04:44:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 480 transitions. [2020-11-28 04:44:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-28 04:44:50,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-28 04:44:51,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 376 states and 480 transitions. [2020-11-28 04:44:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 480 transitions. [2020-11-28 04:44:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-28 04:44:51,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-28 04:44:51,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 377 states and 480 transitions. [2020-11-28 04:44:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 480 transitions. [2020-11-28 04:44:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-28 04:44:51,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-28 04:44:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 438 states and 540 transitions. [2020-11-28 04:44:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 540 transitions. [2020-11-28 04:44:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-28 04:44:52,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 250 states and 320 transitions. [2020-11-28 04:44:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 320 transitions. [2020-11-28 04:44:52,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:52,680 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2020-11-28 04:44:52,688 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:55,218 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:55,221 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-11-28 04:44:55,234 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-11-28 04:44:55,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:55 ImpRootNode [2020-11-28 04:44:55,235 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:55,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:55,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:55,236 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:55,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:46" (3/4) ... [2020-11-28 04:44:55,240 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:55,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2020-11-28 04:44:55,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-11-28 04:44:55,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 04:44:55,284 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:44:55,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ee905c47-d433-4ce9-bf9f-2baca386eacb/bin/ukojak/witness.graphml [2020-11-28 04:44:55,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:55,498 INFO L168 Benchmark]: Toolchain (without parser) took 12679.30 ms. Allocated memory was 134.2 MB in the beginning and 285.2 MB in the end (delta: 151.0 MB). Free memory was 99.2 MB in the beginning and 246.5 MB in the end (delta: -147.3 MB). Peak memory consumption was 164.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:55,499 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:55,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.43 ms. Allocated memory is still 134.2 MB. Free memory was 99.2 MB in the beginning and 93.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:55,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.55 ms. Allocated memory is still 134.2 MB. Free memory was 93.4 MB in the beginning and 87.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:55,502 INFO L168 Benchmark]: Boogie Preprocessor took 111.49 ms. Allocated memory is still 134.2 MB. Free memory was 87.7 MB in the beginning and 83.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:55,502 INFO L168 Benchmark]: RCFGBuilder took 2678.37 ms. Allocated memory was 134.2 MB in the beginning and 163.6 MB in the end (delta: 29.4 MB). Free memory was 83.6 MB in the beginning and 75.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 60.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:55,504 INFO L168 Benchmark]: CodeCheck took 8878.97 ms. Allocated memory was 163.6 MB in the beginning and 285.2 MB in the end (delta: 121.6 MB). Free memory was 75.2 MB in the beginning and 98.6 MB in the end (delta: -23.4 MB). Peak memory consumption was 109.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:55,504 INFO L168 Benchmark]: Witness Printer took 260.52 ms. Allocated memory is still 285.2 MB. Free memory was 98.6 MB in the beginning and 246.5 MB in the end (delta: -147.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:55,506 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, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.2s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12160 SDtfs, 442324 SDslu, 35968 SDs, 0 SdLazy, 1095308 SolverSat, 229608 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10859 GetRequests, 10408 SyntacticMatches, 413 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1418 NumberOfCodeBlocks, 1418 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1407 ConstructedInterpolants, 0 QuantifiedInterpolants, 482443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 588/588 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (a17 <= 8 && a28 <= 10) || (a19 == 1 && 10 < a28) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (a17 <= 8 && a28 <= 10) || (a19 == 1 && 10 < a28) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 652.43 ms. Allocated memory is still 134.2 MB. Free memory was 99.2 MB in the beginning and 93.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.55 ms. Allocated memory is still 134.2 MB. Free memory was 93.4 MB in the beginning and 87.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.49 ms. Allocated memory is still 134.2 MB. Free memory was 87.7 MB in the beginning and 83.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2678.37 ms. Allocated memory was 134.2 MB in the beginning and 163.6 MB in the end (delta: 29.4 MB). Free memory was 83.6 MB in the beginning and 75.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 60.4 MB. Max. memory is 16.1 GB. * CodeCheck took 8878.97 ms. Allocated memory was 163.6 MB in the beginning and 285.2 MB in the end (delta: 121.6 MB). Free memory was 75.2 MB in the beginning and 98.6 MB in the end (delta: -23.4 MB). Peak memory consumption was 109.8 MB. Max. memory is 16.1 GB. * Witness Printer took 260.52 ms. Allocated memory is still 285.2 MB. Free memory was 98.6 MB in the beginning and 246.5 MB in the end (delta: -147.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...