./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label36_true-unreach-call.c --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_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label36_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/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 cb2c7a8caddb0ebb22f761a704d9e7400601b9af .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:24:45,270 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:24:45,272 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:24:45,280 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:24:45,281 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:24:45,281 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:24:45,283 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:24:45,284 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:24:45,285 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:24:45,286 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:24:45,287 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:24:45,287 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:24:45,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:24:45,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:24:45,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:24:45,291 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:24:45,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:24:45,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:24:45,294 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:24:45,295 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:24:45,296 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:24:45,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:24:45,298 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:24:45,298 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:24:45,298 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:24:45,299 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:24:45,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:24:45,300 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:24:45,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:24:45,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:24:45,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:24:45,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:24:45,303 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:24:45,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:24:45,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:24:45,304 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:24:45,305 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:24:45,315 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:24:45,315 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:24:45,316 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:24:45,316 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:24:45,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:24:45,317 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:24:45,317 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:24:45,317 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:24:45,317 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:24:45,317 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:24:45,317 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:24:45,318 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:24:45,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:24:45,319 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:24:45,319 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:24:45,319 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:24:45,319 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:24:45,320 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:24:45,320 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:24:45,320 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:24:45,320 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:24:45,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:24:45,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:24:45,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:24:45,320 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:24:45,321 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:24:45,321 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:24:45,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:24:45,321 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_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/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 -> cb2c7a8caddb0ebb22f761a704d9e7400601b9af [2018-10-26 21:24:45,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:24:45,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:24:45,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:24:45,362 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:24:45,362 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:24:45,363 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label36_true-unreach-call.c [2018-10-26 21:24:45,408 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/data/eb0bcb1f1/5b93bb01657943b7bed9af8b4ae6c45a/FLAGb00a2d49c [2018-10-26 21:24:45,863 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:24:45,864 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/sv-benchmarks/c/eca-rers2012/Problem10_label36_true-unreach-call.c [2018-10-26 21:24:45,882 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/data/eb0bcb1f1/5b93bb01657943b7bed9af8b4ae6c45a/FLAGb00a2d49c [2018-10-26 21:24:45,893 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/data/eb0bcb1f1/5b93bb01657943b7bed9af8b4ae6c45a [2018-10-26 21:24:45,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:24:45,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:24:45,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:24:45,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:24:45,901 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:24:45,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:24:45" (1/1) ... [2018-10-26 21:24:45,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f645f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:45, skipping insertion in model container [2018-10-26 21:24:45,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:24:45" (1/1) ... [2018-10-26 21:24:45,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:24:45,969 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:24:46,260 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:24:46,270 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:24:46,359 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:24:46,372 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:24:46,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46 WrapperNode [2018-10-26 21:24:46,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:24:46,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:24:46,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:24:46,373 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:24:46,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... [2018-10-26 21:24:46,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... [2018-10-26 21:24:46,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:24:46,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:24:46,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:24:46,447 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:24:46,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... [2018-10-26 21:24:46,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... [2018-10-26 21:24:46,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... [2018-10-26 21:24:46,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... [2018-10-26 21:24:46,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... [2018-10-26 21:24:46,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... [2018-10-26 21:24:46,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... [2018-10-26 21:24:46,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:24:46,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:24:46,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:24:46,628 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:24:46,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:24:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/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 [2018-10-26 21:24:46,683 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:24:46,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:24:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:26:55,623 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:26:55,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:26:55 BoogieIcfgContainer [2018-10-26 21:26:55,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:26:55,624 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:26:55,624 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:26:55,634 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:26:55,634 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:26:55" (1/1) ... [2018-10-26 21:26:55,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:26:55,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:26:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-10-26 21:26:55,677 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-10-26 21:26:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 21:26:55,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:26:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:26:56,028 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 21:26:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:26:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:26:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-26 21:26:56,261 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-26 21:26:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 21:26:56,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:26:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:26:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:26:57,203 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-26 21:26:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:26:58,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-10-26 21:26:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-10-26 21:26:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:26:58,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:26:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:26:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:26:59,689 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-10-26 21:26:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:26:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-10-26 21:26:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-10-26 21:26:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:26:59,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:26:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:27:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2018-10-26 21:27:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2018-10-26 21:27:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 21:27:00,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 21:27:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2018-10-26 21:27:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2018-10-26 21:27:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 21:27:02,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 21:27:04,274 WARN L179 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-10-26 21:27:04,575 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 18 [2018-10-26 21:27:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2018-10-26 21:27:04,778 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2018-10-26 21:27:04,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:27:04,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:06,114 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 21:27:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:27:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2018-10-26 21:27:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2018-10-26 21:27:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 21:27:07,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:27:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:27:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-26 21:27:08,603 WARN L179 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-26 21:27:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:27:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-10-26 21:27:08,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-10-26 21:27:08,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:27:08,868 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-10-26 21:27:08,875 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:27:09,063 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-26 21:27:09,071 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-10-26 21:27:09,072 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:27:09,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:27:09 ImpRootNode [2018-10-26 21:27:09,072 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:27:09,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:27:09,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:27:09,073 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:27:09,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:26:55" (3/4) ... [2018-10-26 21:27:09,078 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:27:09,092 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-10-26 21:27:09,093 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 21:27:09,095 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 21:27:09,212 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e77d84fe-8ad0-4a20-a867-d6c7870f0dc1/bin-2019/ukojak/witness.graphml [2018-10-26 21:27:09,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:27:09,213 INFO L168 Benchmark]: Toolchain (without parser) took 143316.82 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 366.5 MB). Free memory was 950.4 MB in the beginning and 985.7 MB in the end (delta: -35.3 MB). Peak memory consumption was 331.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:09,214 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:27:09,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.56 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:09,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.06 ms. Allocated memory is still 1.0 GB. Free memory was 920.9 MB in the beginning and 912.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:09,216 INFO L168 Benchmark]: Boogie Preprocessor took 180.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -234.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:09,216 INFO L168 Benchmark]: RCFGBuilder took 128995.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.4 MB). Peak memory consumption was 335.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:09,216 INFO L168 Benchmark]: CodeCheck took 13448.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 154.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.6 MB). Peak memory consumption was 236.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:09,217 INFO L168 Benchmark]: Witness Printer took 140.09 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 985.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:27:09,218 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, 207 locations, 1 error locations. SAFE Result, 13.2s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1872 SDtfs, 4362 SDslu, 4416 SDs, 0 SdLazy, 8194 SolverSat, 1208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1376 GetRequests, 1192 SyntacticMatches, 82 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5735 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 33615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 95/200 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: 121]: 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: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a10 == 4))) || ((a12 == 0 && a4 == 14) && (39 <= a1 || a1 + 13 <= 0)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && (((38 < a1 || !(a19 == 7)) || a1 + 13 <= 0) || !(a10 == 4))) && a4 == 14 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 474.56 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.06 ms. Allocated memory is still 1.0 GB. Free memory was 920.9 MB in the beginning and 912.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 180.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -234.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 128995.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.4 MB). Peak memory consumption was 335.6 MB. Max. memory is 11.5 GB. * CodeCheck took 13448.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 154.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.6 MB). Peak memory consumption was 236.8 MB. Max. memory is 11.5 GB. * Witness Printer took 140.09 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 985.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...