./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/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 ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 ............................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:31:39,373 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:31:39,374 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:31:39,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:31:39,383 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:31:39,384 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:31:39,385 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:31:39,386 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:31:39,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:31:39,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:31:39,388 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:31:39,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:31:39,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:31:39,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:31:39,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:31:39,392 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:31:39,393 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:31:39,394 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:31:39,396 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:31:39,397 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:31:39,398 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:31:39,399 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:31:39,401 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:31:39,401 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:31:39,401 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:31:39,402 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:31:39,403 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:31:39,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:31:39,404 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:31:39,405 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:31:39,405 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:31:39,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:31:39,406 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:31:39,406 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:31:39,406 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:31:39,407 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:31:39,407 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:31:39,418 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:31:39,418 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:31:39,419 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:31:39,419 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:31:39,419 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:31:39,419 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:31:39,420 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:31:39,420 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:31:39,420 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:31:39,420 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:31:39,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:31:39,420 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:31:39,421 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:31:39,421 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:31:39,421 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:31:39,421 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:31:39,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:31:39,421 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:31:39,421 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:31:39,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:31:39,422 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:31:39,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:31:39,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:31:39,422 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:31:39,422 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:31:39,422 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:31:39,422 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:31:39,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:31:39,423 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_6d2c514e-675e-4e85-8a32-d102b23ece4d/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 -> ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 [2018-11-10 11:31:39,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:31:39,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:31:39,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:31:39,458 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:31:39,458 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:31:39,459 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-11-10 11:31:39,498 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/data/e897a10f7/ade74dedfed44e7e9e8419a7b2796c55/FLAG92b0c5710 [2018-11-10 11:31:39,914 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:31:39,915 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-11-10 11:31:39,925 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/data/e897a10f7/ade74dedfed44e7e9e8419a7b2796c55/FLAG92b0c5710 [2018-11-10 11:31:39,935 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/data/e897a10f7/ade74dedfed44e7e9e8419a7b2796c55 [2018-11-10 11:31:39,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:31:39,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:31:39,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:31:39,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:31:39,942 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:31:39,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:31:39" (1/1) ... [2018-11-10 11:31:39,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bda7805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:39, skipping insertion in model container [2018-11-10 11:31:39,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:31:39" (1/1) ... [2018-11-10 11:31:39,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:31:39,989 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:31:40,256 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:31:40,260 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:31:40,346 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:31:40,360 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:31:40,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40 WrapperNode [2018-11-10 11:31:40,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:31:40,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:31:40,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:31:40,361 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:31:40,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... [2018-11-10 11:31:40,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... [2018-11-10 11:31:40,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:31:40,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:31:40,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:31:40,506 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:31:40,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... [2018-11-10 11:31:40,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... [2018-11-10 11:31:40,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... [2018-11-10 11:31:40,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... [2018-11-10 11:31:40,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... [2018-11-10 11:31:40,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... [2018-11-10 11:31:40,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... [2018-11-10 11:31:40,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:31:40,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:31:40,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:31:40,560 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:31:40,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:31:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/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 [2018-11-10 11:31:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:31:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:31:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:36:56,678 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:36:56,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:36:56 BoogieIcfgContainer [2018-11-10 11:36:56,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:36:56,679 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:36:56,679 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:36:56,687 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:36:56,687 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:36:56" (1/1) ... [2018-11-10 11:36:56,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:36:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:36:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 11:36:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 11:36:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:36:56,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:36:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:36:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:36:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:36:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 11:36:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 11:36:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 11:36:56,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:36:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:36:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:36:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:36:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-10 11:36:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-10 11:36:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:36:57,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:36:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:36:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:37:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:37:28,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-11-10 11:37:28,687 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-11-10 11:37:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 11:37:28,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:37:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:37:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 11:37:29,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:37:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-11-10 11:37:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-11-10 11:37:29,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:37:29,167 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-10 11:37:29,175 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 11:37:29,326 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-11-10 11:37:29,334 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-11-10 11:37:29,335 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:37:29,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:37:29 ImpRootNode [2018-11-10 11:37:29,335 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:37:29,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:37:29,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:37:29,337 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:37:29,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:36:56" (3/4) ... [2018-11-10 11:37:29,341 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:37:29,360 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 11:37:29,361 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 11:37:29,362 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 11:37:29,363 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:37:29,465 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d2c514e-675e-4e85-8a32-d102b23ece4d/bin-2019/ukojak/witness.graphml [2018-11-10 11:37:29,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:37:29,466 INFO L168 Benchmark]: Toolchain (without parser) took 349527.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 956.6 MB in the beginning and 902.5 MB in the end (delta: 54.1 MB). Peak memory consumption was 239.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:37:29,467 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:37:29,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.97 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:37:29,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:37:29,468 INFO L168 Benchmark]: Boogie Preprocessor took 53.58 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. [2018-11-10 11:37:29,468 INFO L168 Benchmark]: RCFGBuilder took 316118.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.8 MB). Free memory was 1.1 GB in the beginning and 889.0 MB in the end (delta: 221.7 MB). Peak memory consumption was 393.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:37:29,469 INFO L168 Benchmark]: CodeCheck took 32656.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.1 MB). Free memory was 889.0 MB in the beginning and 931.2 MB in the end (delta: -42.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:37:29,469 INFO L168 Benchmark]: Witness Printer took 129.56 ms. Allocated memory is still 1.2 GB. Free memory was 931.2 MB in the beginning and 902.5 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:37:29,471 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 32.4s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 232 SDslu, 224 SDs, 0 SdLazy, 414 SolverSat, 76 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 61.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 381 SyntacticMatches, 14 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 6555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 27/44 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: 142]: 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: a12 <= 80 || (!(a21 == 8) || !(a15 == 5)) || !(a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 <= 80 || !(a21 == 8)) || !(a15 == 5)) || !(a24 == 1) - 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 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 420.97 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 144.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.58 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 316118.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.8 MB). Free memory was 1.1 GB in the beginning and 889.0 MB in the end (delta: 221.7 MB). Peak memory consumption was 393.7 MB. Max. memory is 11.5 GB. * CodeCheck took 32656.47 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.1 MB). Free memory was 889.0 MB in the beginning and 931.2 MB in the end (delta: -42.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 129.56 ms. Allocated memory is still 1.2 GB. Free memory was 931.2 MB in the beginning and 902.5 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...