./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label25_true-unreach-call_false-termination.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_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/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 4a6f9eb2e7a9523a59919f10058626623eca86a6 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:30:37,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:30:37,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:30:37,550 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:30:37,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:30:37,551 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:30:37,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:30:37,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:30:37,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:30:37,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:30:37,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:30:37,555 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:30:37,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:30:37,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:30:37,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:30:37,558 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:30:37,559 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:30:37,560 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:30:37,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:30:37,562 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:30:37,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:30:37,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:30:37,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:30:37,566 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:30:37,566 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:30:37,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:30:37,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:30:37,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:30:37,568 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:30:37,569 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:30:37,569 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:30:37,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:30:37,570 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:30:37,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:30:37,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:30:37,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:30:37,571 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:30:37,579 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:30:37,579 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:30:37,580 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:30:37,580 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:30:37,580 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:30:37,581 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:30:37,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:30:37,581 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:30:37,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:30:37,581 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:30:37,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:30:37,581 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:30:37,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:30:37,582 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:30:37,582 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:30:37,582 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:30:37,582 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:30:37,582 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:30:37,582 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:30:37,582 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:30:37,583 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:30:37,583 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:30:37,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:30:37,583 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:30:37,583 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:30:37,583 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:30:37,583 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:30:37,584 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:30:37,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:30:37,584 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_01376293-f39d-47fe-960d-bd593dca47b1/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 -> 4a6f9eb2e7a9523a59919f10058626623eca86a6 [2018-12-08 13:30:37,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:30:37,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:30:37,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:30:37,610 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:30:37,610 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:30:37,611 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label25_true-unreach-call_false-termination.c [2018-12-08 13:30:37,645 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/data/127c1ea5f/9ebc8e73f31442a5a1a97c7ec3f37023/FLAG2ed6db990 [2018-12-08 13:30:38,071 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:30:38,071 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/sv-benchmarks/c/eca-rers2012/Problem14_label25_true-unreach-call_false-termination.c [2018-12-08 13:30:38,080 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/data/127c1ea5f/9ebc8e73f31442a5a1a97c7ec3f37023/FLAG2ed6db990 [2018-12-08 13:30:38,089 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/data/127c1ea5f/9ebc8e73f31442a5a1a97c7ec3f37023 [2018-12-08 13:30:38,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:30:38,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:30:38,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:30:38,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:30:38,094 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:30:38,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a2c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38, skipping insertion in model container [2018-12-08 13:30:38,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:30:38,125 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:30:38,312 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:30:38,315 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:30:38,412 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:30:38,421 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:30:38,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38 WrapperNode [2018-12-08 13:30:38,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:30:38,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:30:38,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:30:38,422 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:30:38,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:30:38,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:30:38,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:30:38,470 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:30:38,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... [2018-12-08 13:30:38,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:30:38,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:30:38,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:30:38,510 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:30:38,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:30:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/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 [2018-12-08 13:30:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:30:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:35:05,348 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:35:05,349 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 13:35:05,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:35:05 BoogieIcfgContainer [2018-12-08 13:35:05,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:35:05,349 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:35:05,349 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:35:05,356 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:35:05,356 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:35:05" (1/1) ... [2018-12-08 13:35:05,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:35:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:35:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 13:35:05,386 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 13:35:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:35:05,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:35:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:35:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:35:05,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:35:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-08 13:35:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-08 13:35:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:35:05,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:35:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:35:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:35:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:35:06,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-12-08 13:35:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-12-08 13:35:06,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:35:06,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:35:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:35:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:35:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:35:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2018-12-08 13:35:08,469 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2018-12-08 13:35:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:35:08,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:35:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:35:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:35:08,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:35:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2018-12-08 13:35:08,835 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2018-12-08 13:35:08,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:35:08,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:35:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:35:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:35:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:35:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2018-12-08 13:35:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2018-12-08 13:35:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:35:10,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:35:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:35:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:35:10,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:35:10,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2018-12-08 13:35:10,953 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2018-12-08 13:35:10,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:35:10,954 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-08 13:35:10,961 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 13:35:11,135 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-08 13:35:11,141 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-08 13:35:11,142 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:35:11,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:35:11 ImpRootNode [2018-12-08 13:35:11,142 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:35:11,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:35:11,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:35:11,142 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:35:11,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:35:05" (3/4) ... [2018-12-08 13:35:11,145 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:35:11,156 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-08 13:35:11,157 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-08 13:35:11,157 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 13:35:11,158 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 13:35:11,230 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01376293-f39d-47fe-960d-bd593dca47b1/bin-2019/ukojak/witness.graphml [2018-12-08 13:35:11,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:35:11,231 INFO L168 Benchmark]: Toolchain (without parser) took 273140.07 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 346.6 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -254.6 MB). Peak memory consumption was 91.9 MB. Max. memory is 11.5 GB. [2018-12-08 13:35:11,232 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:35:11,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:35:11,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.98 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:35:11,232 INFO L168 Benchmark]: Boogie Preprocessor took 39.76 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:35:11,233 INFO L168 Benchmark]: RCFGBuilder took 266838.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 823.5 MB in the end (delta: 298.5 MB). Peak memory consumption was 462.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:35:11,233 INFO L168 Benchmark]: CodeCheck took 5792.73 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 111.7 MB). Free memory was 823.5 MB in the beginning and 1.2 GB in the end (delta: -407.0 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:35:11,233 INFO L168 Benchmark]: Witness Printer took 88.11 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-12-08 13:35:11,234 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, 5.5s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 380 SDtfs, 710 SDslu, 504 SDs, 0 SdLazy, 1852 SolverSat, 310 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 659 GetRequests, 552 SyntacticMatches, 55 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2123 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 14540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/65 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: 196]: 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: (286349 <= a12 || ((a21 == 6 || a21 == 10) || a21 == 8) || a21 == 9) || a12 + 49 <= 0 || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: !(a15 == 6) || ((((a21 == 6 || 286349 <= a12) || a21 == 10) || a21 == 8) || a12 + 49 <= 0) || a21 == 9 - 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.98 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.76 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 266838.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 823.5 MB in the end (delta: 298.5 MB). Peak memory consumption was 462.6 MB. Max. memory is 11.5 GB. * CodeCheck took 5792.73 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 111.7 MB). Free memory was 823.5 MB in the beginning and 1.2 GB in the end (delta: -407.0 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * Witness Printer took 88.11 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...