./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/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 9c94245f83a700fdfe2d62d007b32e9e3ae1452d ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:09:23,334 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:09:23,335 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:09:23,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:09:23,343 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:09:23,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:09:23,345 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:09:23,346 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:09:23,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:09:23,348 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:09:23,348 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:09:23,349 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:09:23,349 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:09:23,350 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:09:23,351 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:09:23,351 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:09:23,352 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:09:23,353 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:09:23,354 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:09:23,356 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:09:23,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:09:23,357 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:09:23,359 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:09:23,359 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:09:23,359 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:09:23,360 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:09:23,361 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:09:23,361 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:09:23,362 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:09:23,362 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:09:23,363 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:09:23,363 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:09:23,363 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:09:23,363 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:09:23,364 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:09:23,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:09:23,365 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:09:23,375 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:09:23,375 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:09:23,375 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:09:23,376 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:09:23,376 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:09:23,376 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:09:23,376 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:09:23,377 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:09:23,378 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:09:23,378 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:09:23,378 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:09:23,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:09:23,378 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:09:23,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:09:23,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:09:23,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:09:23,379 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:09:23,379 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:09:23,379 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:09:23,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:09:23,379 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_1a4292e8-c244-4823-b86d-517553d3a019/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 -> 9c94245f83a700fdfe2d62d007b32e9e3ae1452d [2018-12-09 00:09:23,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:09:23,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:09:23,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:09:23,410 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:09:23,410 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:09:23,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-12-09 00:09:23,443 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/data/80c711962/ec0fcf9b540545b49427d1662566f807/FLAGca5feff90 [2018-12-09 00:09:23,894 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:09:23,894 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-12-09 00:09:23,903 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/data/80c711962/ec0fcf9b540545b49427d1662566f807/FLAGca5feff90 [2018-12-09 00:09:23,911 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/data/80c711962/ec0fcf9b540545b49427d1662566f807 [2018-12-09 00:09:23,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:09:23,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:09:23,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:09:23,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:09:23,917 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:09:23,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:09:23" (1/1) ... [2018-12-09 00:09:23,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdf4af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:23, skipping insertion in model container [2018-12-09 00:09:23,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:09:23" (1/1) ... [2018-12-09 00:09:23,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:09:23,966 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:09:24,272 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:09:24,275 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:09:24,450 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:09:24,461 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:09:24,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24 WrapperNode [2018-12-09 00:09:24,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:09:24,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:09:24,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:09:24,462 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:09:24,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... [2018-12-09 00:09:24,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... [2018-12-09 00:09:24,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:09:24,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:09:24,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:09:24,543 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:09:24,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... [2018-12-09 00:09:24,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... [2018-12-09 00:09:24,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... [2018-12-09 00:09:24,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... [2018-12-09 00:09:24,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... [2018-12-09 00:09:24,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... [2018-12-09 00:09:24,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... [2018-12-09 00:09:24,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:09:24,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:09:24,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:09:24,611 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:09:24,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:09:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/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 [2018-12-09 00:09:24,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:09:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:22:38,858 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:22:38,858 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-09 00:22:38,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:22:38 BoogieIcfgContainer [2018-12-09 00:22:38,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:22:38,859 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:22:38,859 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:22:38,868 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:22:38,868 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:22:38" (1/1) ... [2018-12-09 00:22:38,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:22:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:22:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 00:22:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 00:22:38,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 00:22:38,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:22:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:22:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:22:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:22:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 00:22:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 00:22:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:22:39,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:22:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:22:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:22:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:22:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-12-09 00:22:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-12-09 00:22:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:22:40,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:22:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:22:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:22:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:22:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2018-12-09 00:22:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2018-12-09 00:22:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:22:52,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:22:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:22:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:22:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:22:53,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2018-12-09 00:22:53,352 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2018-12-09 00:22:53,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:22:53,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:22:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:22:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:22:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:22:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2018-12-09 00:22:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2018-12-09 00:22:56,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:22:56,636 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-12-09 00:22:56,642 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:22:56,796 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:22:56,798 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-09 00:22:56,803 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-09 00:22:56,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:22:56 ImpRootNode [2018-12-09 00:22:56,804 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:22:56,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:22:56,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:22:56,804 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:22:56,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:22:38" (3/4) ... [2018-12-09 00:22:56,807 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:22:56,828 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 369 nodes and edges [2018-12-09 00:22:56,830 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 00:22:56,832 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 00:22:56,835 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:22:56,938 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a4292e8-c244-4823-b86d-517553d3a019/bin-2019/ukojak/witness.graphml [2018-12-09 00:22:56,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:22:56,938 INFO L168 Benchmark]: Toolchain (without parser) took 813024.46 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 661.1 MB). Free memory was 944.2 MB in the beginning and 1.0 GB in the end (delta: -83.8 MB). Peak memory consumption was 577.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:22:56,939 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:22:56,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:22:56,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:22:56,940 INFO L168 Benchmark]: Boogie Preprocessor took 67.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:22:56,940 INFO L168 Benchmark]: RCFGBuilder took 794248.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 248.5 MB). Free memory was 1.1 GB in the beginning and 721.1 MB in the end (delta: 354.9 MB). Peak memory consumption was 851.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:22:56,940 INFO L168 Benchmark]: CodeCheck took 17945.20 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 252.2 MB). Free memory was 721.1 MB in the beginning and 1.1 GB in the end (delta: -365.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:22:56,940 INFO L168 Benchmark]: Witness Printer took 133.49 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:22:56,941 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, 396 locations, 1 error locations. SAFE Result, 17.7s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 172 SDtfs, 366 SDslu, 216 SDs, 0 SdLazy, 1014 SolverSat, 184 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 32.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 505 GetRequests, 428 SyntacticMatches, 25 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 9368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 169]: 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: 1767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((!(a16 == 8) || !(a12 == 7)) || !(a15 == 3)) || 0 < a18 + 156 - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: 0 < a18 + 156 || (!(a16 == 8) || !(a12 == 7)) || !(a15 == 3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 546.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 794248.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 248.5 MB). Free memory was 1.1 GB in the beginning and 721.1 MB in the end (delta: 354.9 MB). Peak memory consumption was 851.6 MB. Max. memory is 11.5 GB. * CodeCheck took 17945.20 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 252.2 MB). Free memory was 721.1 MB in the beginning and 1.1 GB in the end (delta: -365.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 133.49 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...