./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label35_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label35_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/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 6ce3a8414620349d445c3b6a48a94d1ac7b317f1 .............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:28:05,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:28:05,494 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:28:05,500 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:28:05,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:28:05,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:28:05,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:28:05,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:28:05,505 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:28:05,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:28:05,506 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:28:05,506 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:28:05,507 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:28:05,507 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:28:05,508 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:28:05,508 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:28:05,509 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:28:05,510 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:28:05,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:28:05,512 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:28:05,513 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:28:05,513 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:28:05,515 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:28:05,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:28:05,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:28:05,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:28:05,517 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:28:05,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:28:05,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:28:05,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:28:05,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:28:05,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:28:05,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:28:05,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:28:05,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:28:05,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:28:05,521 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 03:28:05,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:28:05,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:28:05,529 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:28:05,529 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 03:28:05,529 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:28:05,529 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:28:05,530 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:28:05,530 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:28:05,530 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:28:05,530 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:28:05,530 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:28:05,530 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:28:05,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:28:05,531 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:28:05,531 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:28:05,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:28:05,531 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:28:05,531 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:28:05,531 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 03:28:05,531 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 03:28:05,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:28:05,532 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:28:05,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:28:05,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:28:05,532 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:28:05,532 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:28:05,532 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 03:28:05,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:28:05,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:28:05,533 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_35381bb2-4712-4e07-a39a-84344c899b80/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 -> 6ce3a8414620349d445c3b6a48a94d1ac7b317f1 [2018-11-23 03:28:05,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:28:05,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:28:05,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:28:05,569 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:28:05,569 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:28:05,569 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label35_true-unreach-call_false-termination.c [2018-11-23 03:28:05,610 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/data/dcc9b9b19/f8a48888152a46208af1850d7ed9e013/FLAG7517ddb3b [2018-11-23 03:28:06,052 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:28:06,052 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/sv-benchmarks/c/eca-rers2012/Problem14_label35_true-unreach-call_false-termination.c [2018-11-23 03:28:06,062 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/data/dcc9b9b19/f8a48888152a46208af1850d7ed9e013/FLAG7517ddb3b [2018-11-23 03:28:06,073 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/data/dcc9b9b19/f8a48888152a46208af1850d7ed9e013 [2018-11-23 03:28:06,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:28:06,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:28:06,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:28:06,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:28:06,079 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:28:06,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d28a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06, skipping insertion in model container [2018-11-23 03:28:06,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:28:06,124 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:28:06,389 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:28:06,392 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:28:06,475 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:28:06,485 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:28:06,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06 WrapperNode [2018-11-23 03:28:06,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:28:06,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:28:06,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:28:06,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:28:06,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:28:06,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:28:06,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:28:06,644 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:28:06,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... [2018-11-23 03:28:06,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:28:06,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:28:06,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:28:06,703 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:28:06,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/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 [2018-11-23 03:28:06,747 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 03:28:06,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:28:06,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:33:37,108 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:33:37,109 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 03:33:37,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:37 BoogieIcfgContainer [2018-11-23 03:33:37,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:33:37,109 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 03:33:37,110 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 03:33:37,119 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 03:33:37,119 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:37" (1/1) ... [2018-11-23 03:33:37,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:33:37,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 03:33:37,161 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 03:33:37,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 03:33:37,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:33:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:33:37,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 03:33:37,387 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 03:33:37,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 03:33:37,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:33:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:33:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-11-23 03:33:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-11-23 03:33:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 03:33:38,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:33:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:39,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:33:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2018-11-23 03:33:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2018-11-23 03:33:39,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 03:33:39,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:33:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:33:39,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2018-11-23 03:33:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2018-11-23 03:33:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 03:33:39,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:33:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:33:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2018-11-23 03:33:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2018-11-23 03:33:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 03:33:51,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:33:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:52,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:33:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2018-11-23 03:33:52,011 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2018-11-23 03:33:52,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 03:33:52,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:33:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:53,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:33:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-11-23 03:33:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-11-23 03:33:53,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 03:33:53,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:33:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 03:33:54,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:33:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2018-11-23 03:33:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2018-11-23 03:33:54,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:33:54,168 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-23 03:33:54,176 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 03:33:54,302 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 29 [2018-11-23 03:33:54,490 INFO L579 CodeCheckObserver]: Invariant with dag size 29 [2018-11-23 03:33:54,499 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 03:33:54,500 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:33:54,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:33:54 ImpRootNode [2018-11-23 03:33:54,501 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 03:33:54,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:33:54,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:33:54,501 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:33:54,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:37" (3/4) ... [2018-11-23 03:33:54,505 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:33:54,522 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-11-23 03:33:54,524 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 03:33:54,525 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:33:54,526 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:33:54,636 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_35381bb2-4712-4e07-a39a-84344c899b80/bin-2019/ukojak/witness.graphml [2018-11-23 03:33:54,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:33:54,637 INFO L168 Benchmark]: Toolchain (without parser) took 348561.37 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 374.3 MB). Free memory was 953.9 MB in the beginning and 1.2 GB in the end (delta: -211.0 MB). Peak memory consumption was 163.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:54,638 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:33:54,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.82 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 910.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:54,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 910.9 MB in the beginning and 1.1 GB in the end (delta: -211.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:54,638 INFO L168 Benchmark]: Boogie Preprocessor took 58.16 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:54,639 INFO L168 Benchmark]: RCFGBuilder took 330406.52 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.1 GB in the beginning and 866.6 MB in the end (delta: 250.1 MB). Peak memory consumption was 371.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:54,639 INFO L168 Benchmark]: CodeCheck took 17391.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 199.2 MB). Free memory was 866.6 MB in the beginning and 1.2 GB in the end (delta: -317.4 MB). Peak memory consumption was 275.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:54,639 INFO L168 Benchmark]: Witness Printer took 135.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:54,642 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, 245 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1552 SDtfs, 3294 SDslu, 2080 SDs, 0 SdLazy, 9278 SolverSat, 1408 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 42.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1105 GetRequests, 941 SyntacticMatches, 68 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6771 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 20276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 55/156 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: 136]: 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: (((!(!(a24 == 1) || a12 + 49 <= 0) && a12 <= 80) || ((!(a24 == 1) || a12 + 49 <= 0) && !(0 <= a12 + 49 && a12 + 49 <= 0))) || (!(a21 == 7) && !(a12 <= 80))) || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a12 <= 80 || a24 == 1) || !(a15 == 6)) || ((a12 <= 80 || !(a21 == 7)) && !(0 <= a12 + 49 && a12 + 49 <= 0)) - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 408.82 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 910.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 158.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 910.9 MB in the beginning and 1.1 GB in the end (delta: -211.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.16 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330406.52 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.1 GB in the beginning and 866.6 MB in the end (delta: 250.1 MB). Peak memory consumption was 371.8 MB. Max. memory is 11.5 GB. * CodeCheck took 17391.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 199.2 MB). Free memory was 866.6 MB in the beginning and 1.2 GB in the end (delta: -317.4 MB). Peak memory consumption was 275.0 MB. Max. memory is 11.5 GB. * Witness Printer took 135.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...