./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.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_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/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 4c182367b65c6b1e0e799235f4eaa75d3c91be5a .................................................................................................................................................................................................................................................................................... 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 21:34:43,267 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:34:43,269 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:34:43,278 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:34:43,279 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:34:43,280 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:34:43,281 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:34:43,282 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:34:43,284 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:34:43,284 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:34:43,285 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:34:43,285 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:34:43,286 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:34:43,287 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:34:43,288 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:34:43,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:34:43,290 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:34:43,291 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:34:43,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:34:43,295 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:34:43,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:34:43,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:34:43,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:34:43,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:34:43,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:34:43,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:34:43,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:34:43,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:34:43,302 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:34:43,303 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:34:43,304 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:34:43,305 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:34:43,305 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:34:43,305 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:34:43,306 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:34:43,307 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:34:43,307 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:34:43,321 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:34:43,323 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:34:43,324 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:34:43,325 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:34:43,325 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:34:43,326 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:34:43,327 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:34:43,327 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:34:43,327 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:34:43,327 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:34:43,327 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:34:43,327 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:34:43,328 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:34:43,328 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:34:43,328 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:34:43,328 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:34:43,328 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:34:43,328 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:34:43,328 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:34:43,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:34:43,329 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:34:43,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:34:43,329 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:34:43,329 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:34:43,329 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:34:43,329 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:34:43,329 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:34:43,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:34:43,330 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_58111cb9-262d-4b98-ae69-01dcdceac2ab/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 -> 4c182367b65c6b1e0e799235f4eaa75d3c91be5a [2018-10-26 21:34:43,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:34:43,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:34:43,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:34:43,389 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:34:43,389 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:34:43,390 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c [2018-10-26 21:34:43,435 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/data/527d53315/27b2fac087ae4ad388b4cc97f0dd002c/FLAGbc34ca5a3 [2018-10-26 21:34:43,916 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:34:43,917 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c [2018-10-26 21:34:43,927 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/data/527d53315/27b2fac087ae4ad388b4cc97f0dd002c/FLAGbc34ca5a3 [2018-10-26 21:34:43,938 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/data/527d53315/27b2fac087ae4ad388b4cc97f0dd002c [2018-10-26 21:34:43,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:34:43,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:34:43,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:34:43,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:34:43,950 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:34:43,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:34:43" (1/1) ... [2018-10-26 21:34:43,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4087c74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:43, skipping insertion in model container [2018-10-26 21:34:43,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:34:43" (1/1) ... [2018-10-26 21:34:43,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:34:44,034 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:34:44,368 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:34:44,374 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:34:44,488 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:34:44,507 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:34:44,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44 WrapperNode [2018-10-26 21:34:44,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:34:44,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:34:44,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:34:44,509 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:34:44,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... [2018-10-26 21:34:44,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... [2018-10-26 21:34:44,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:34:44,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:34:44,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:34:44,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:34:44,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... [2018-10-26 21:34:44,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... [2018-10-26 21:34:44,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... [2018-10-26 21:34:44,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... [2018-10-26 21:34:44,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... [2018-10-26 21:34:44,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... [2018-10-26 21:34:44,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... [2018-10-26 21:34:44,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:34:44,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:34:44,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:34:44,821 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:34:44,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/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 21:34:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:34:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:34:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:40:07,535 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:40:07,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:40:07 BoogieIcfgContainer [2018-10-26 21:40:07,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:40:07,536 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:40:07,537 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:40:07,548 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:40:07,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:40:07" (1/1) ... [2018-10-26 21:40:07,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:40:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-10-26 21:40:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-10-26 21:40:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 21:40:07,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:07,975 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 21:40:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-26 21:40:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-26 21:40:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 21:40:08,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:08,754 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:40:09,277 WARN L179 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-26 21:40:09,280 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 21:40:09,525 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 21:40:09,842 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 17 [2018-10-26 21:40:10,181 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 21:40:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-10-26 21:40:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-10-26 21:40:20,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:40:20,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:22,717 WARN L179 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2018-10-26 21:40:22,889 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 21:40:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-10-26 21:40:23,517 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-10-26 21:40:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:40:23,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:25,555 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 21:40:25,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-10-26 21:40:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-10-26 21:40:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 21:40:25,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:26,865 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2018-10-26 21:40:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:28,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-10-26 21:40:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-10-26 21:40:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 21:40:28,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:29,430 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 15 [2018-10-26 21:40:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2018-10-26 21:40:39,706 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2018-10-26 21:40:39,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 21:40:39,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:40:50,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:50,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2018-10-26 21:40:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2018-10-26 21:40:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:40:50,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:40:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:04,093 WARN L179 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2018-10-26 21:41:14,888 WARN L179 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 18 [2018-10-26 21:41:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 100 transitions. [2018-10-26 21:41:15,477 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2018-10-26 21:41:15,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:41:15,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 107 transitions. [2018-10-26 21:41:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2018-10-26 21:41:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 21:41:17,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:41:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 61 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:41:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:41:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 103 transitions. [2018-10-26 21:41:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2018-10-26 21:41:22,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:41:22,144 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-10-26 21:41:22,152 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:41:22,510 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 21:41:22,518 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 21:41:22,518 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:41:22,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:41:22 ImpRootNode [2018-10-26 21:41:22,519 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:41:22,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:41:22,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:41:22,520 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:41:22,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:40:07" (3/4) ... [2018-10-26 21:41:22,526 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:41:22,547 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-10-26 21:41:22,549 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 21:41:22,550 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 21:41:22,551 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 21:41:22,689 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58111cb9-262d-4b98-ae69-01dcdceac2ab/bin-2019/ukojak/witness.graphml [2018-10-26 21:41:22,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:41:22,690 INFO L168 Benchmark]: Toolchain (without parser) took 398748.54 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 873.5 MB). Free memory was 957.0 MB in the beginning and 1.6 GB in the end (delta: -649.0 MB). Peak memory consumption was 224.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:41:22,691 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:41:22,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.06 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 916.7 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:41:22,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.63 ms. Allocated memory is still 1.0 GB. Free memory was 916.7 MB in the beginning and 908.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:41:22,692 INFO L168 Benchmark]: Boogie Preprocessor took 199.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 908.7 MB in the beginning and 1.2 GB in the end (delta: -260.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:41:22,693 INFO L168 Benchmark]: RCFGBuilder took 322715.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 142.1 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -15.1 MB). Peak memory consumption was 564.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:41:22,694 INFO L168 Benchmark]: CodeCheck took 74982.75 ms. Allocated memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: 545.8 MB). Free memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: -441.0 MB). Peak memory consumption was 104.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:41:22,694 INFO L168 Benchmark]: Witness Printer took 170.10 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:41:22,696 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, 246 locations, 1 error locations. SAFE Result, 74.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6920 SDtfs, 16176 SDslu, 15392 SDs, 0 SdLazy, 34170 SolverSat, 6166 SolverUnsat, 576 SolverUnknown, 0 SolverNotchecked, 245.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1782 GetRequests, 1503 SyntacticMatches, 137 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14485 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 80950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 9/273 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: 190]: 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: 880]: Loop Invariant Derived loop invariant: 0 < a12 + 43 || !(a21 == 6) || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a21 == 6) || 0 < a12 + 43) || !(a15 == 6) - InvariantResult [Line: 874]: 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 565.06 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 916.7 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.63 ms. Allocated memory is still 1.0 GB. Free memory was 916.7 MB in the beginning and 908.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 199.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 908.7 MB in the beginning and 1.2 GB in the end (delta: -260.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322715.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 142.1 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -15.1 MB). Peak memory consumption was 564.1 MB. Max. memory is 11.5 GB. * CodeCheck took 74982.75 ms. Allocated memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: 545.8 MB). Free memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: -441.0 MB). Peak memory consumption was 104.7 MB. Max. memory is 11.5 GB. * Witness Printer took 170.10 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...