./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/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 d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:28:57,214 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:28:57,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:28:57,223 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:28:57,223 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:28:57,224 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:28:57,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:28:57,226 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:28:57,228 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:28:57,229 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:28:57,229 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:28:57,230 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:28:57,231 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:28:57,232 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:28:57,233 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:28:57,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:28:57,234 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:28:57,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:28:57,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:28:57,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:28:57,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:28:57,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:28:57,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:28:57,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:28:57,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:28:57,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:28:57,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:28:57,245 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:28:57,246 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:28:57,247 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:28:57,247 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:28:57,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:28:57,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:28:57,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:28:57,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:28:57,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:28:57,250 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:28:57,262 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:28:57,263 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:28:57,263 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:28:57,264 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:28:57,264 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:28:57,264 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:28:57,265 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:28:57,265 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:28:57,265 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:28:57,265 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:28:57,265 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:28:57,265 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:28:57,266 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:28:57,266 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:28:57,266 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:28:57,266 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:28:57,266 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:28:57,267 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:28:57,267 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:28:57,267 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:28:57,267 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:28:57,267 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:28:57,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:28:57,268 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:28:57,268 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:28:57,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:28:57,268 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:28:57,268 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:28:57,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:28:57,269 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_756f5ecc-ff78-45a2-8f57-f6e55217484e/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 -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2018-11-18 17:28:57,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:28:57,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:28:57,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:28:57,312 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:28:57,313 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:28:57,313 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-18 17:28:57,367 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/data/6aae4d7eb/e7051345a9ab4648886b097817f4d366/FLAG837ac5171 [2018-11-18 17:28:57,775 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:28:57,776 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-18 17:28:57,786 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/data/6aae4d7eb/e7051345a9ab4648886b097817f4d366/FLAG837ac5171 [2018-11-18 17:28:57,797 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/data/6aae4d7eb/e7051345a9ab4648886b097817f4d366 [2018-11-18 17:28:57,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:28:57,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:28:57,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:28:57,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:28:57,803 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:28:57,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:28:57" (1/1) ... [2018-11-18 17:28:57,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:57, skipping insertion in model container [2018-11-18 17:28:57,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:28:57" (1/1) ... [2018-11-18 17:28:57,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:28:57,848 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:28:58,094 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:28:58,097 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:28:58,180 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:28:58,192 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:28:58,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58 WrapperNode [2018-11-18 17:28:58,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:28:58,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:28:58,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:28:58,193 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:28:58,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... [2018-11-18 17:28:58,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... [2018-11-18 17:28:58,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:28:58,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:28:58,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:28:58,310 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:28:58,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... [2018-11-18 17:28:58,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... [2018-11-18 17:28:58,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... [2018-11-18 17:28:58,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... [2018-11-18 17:28:58,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... [2018-11-18 17:28:58,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... [2018-11-18 17:28:58,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... [2018-11-18 17:28:58,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:28:58,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:28:58,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:28:58,363 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:28:58,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:28:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/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 [2018-11-18 17:28:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:28:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:28:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:32:29,558 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:32:29,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:32:29 BoogieIcfgContainer [2018-11-18 17:32:29,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:32:29,559 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:32:29,559 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:32:29,567 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:32:29,567 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:32:29" (1/1) ... [2018-11-18 17:32:29,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:32:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:32:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 17:32:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 17:32:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:32:29,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:32:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:32:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:32:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 17:32:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 17:32:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 17:32:29,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:32:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:30,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:32:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:32:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-18 17:32:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-18 17:32:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:32:30,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:32:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:32:31,238 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2018-11-18 17:32:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:33:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2018-11-18 17:33:01,988 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2018-11-18 17:33:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:33:01,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:33:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:02,994 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:03,217 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 17:33:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:33:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2018-11-18 17:33:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2018-11-18 17:33:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:33:14,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:33:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:33:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2018-11-18 17:33:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2018-11-18 17:33:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:33:15,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:33:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:15,865 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2018-11-18 17:33:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:16,629 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2018-11-18 17:33:19,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:33:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 115 transitions. [2018-11-18 17:33:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 115 transitions. [2018-11-18 17:33:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:33:19,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:33:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:33:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:33:20,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:33:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 44 states and 95 transitions. [2018-11-18 17:33:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 95 transitions. [2018-11-18 17:33:20,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:33:20,745 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-18 17:33:20,754 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:33:20,964 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2018-11-18 17:33:21,189 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2018-11-18 17:33:21,322 INFO L579 CodeCheckObserver]: Invariant with dag size 29 [2018-11-18 17:33:21,330 INFO L579 CodeCheckObserver]: Invariant with dag size 63 [2018-11-18 17:33:21,333 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:33:21,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:33:21 ImpRootNode [2018-11-18 17:33:21,333 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:33:21,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:33:21,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:33:21,334 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:33:21,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:32:29" (3/4) ... [2018-11-18 17:33:21,338 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:33:21,354 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 17:33:21,355 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 17:33:21,356 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:33:21,357 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:33:21,460 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_756f5ecc-ff78-45a2-8f57-f6e55217484e/bin-2019/ukojak/witness.graphml [2018-11-18 17:33:21,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:33:21,461 INFO L168 Benchmark]: Toolchain (without parser) took 263661.18 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 575.7 MB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -85.0 MB). Peak memory consumption was 490.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:21,461 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:33:21,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:21,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -267.4 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:21,462 INFO L168 Benchmark]: Boogie Preprocessor took 52.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:21,462 INFO L168 Benchmark]: RCFGBuilder took 211195.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.4 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.4 MB). Peak memory consumption was 540.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:21,463 INFO L168 Benchmark]: CodeCheck took 51774.36 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 189.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.7 MB). Peak memory consumption was 194.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:21,463 INFO L168 Benchmark]: Witness Printer took 126.39 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:33:21,464 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, 51.1s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 912 SDtfs, 2380 SDslu, 2112 SDs, 0 SdLazy, 4848 SolverSat, 684 SolverUnsat, 112 SolverUnknown, 0 SolverNotchecked, 195.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1241 GetRequests, 1034 SyntacticMatches, 77 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10684 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 57350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/163 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: 175]: 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 <= 75 || ((((!(a15 == 9) || !(a21 == 6)) || !(a24 == 1)) || a12 <= 95442) && (!(a15 == 7) || !(a21 == 7)))) || (a12 <= 80 && a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((!(((0 <= a12 + 49 && a15 == 8) && a21 == 7) && a12 + 49 <= 0) && (8 == a15 || a15 == 5)) || ((!(8 == a15 || a15 == 5) && !(a15 == 9)) && ((!(a15 == 7) || a12 + 49 <= 0) || !(a21 == 7)))) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a12 + 49 <= 0)) || ((((!(a21 == 6) || !(a24 == 1)) || a12 <= 95442) && !(a15 == 7)) && !(((!(a15 == 9) && a12 <= 75) || 8 == a15) || a15 == 5))) || (!((!(a15 == 7) || a12 + 49 <= 0) || !(a21 == 7)) && a12 <= 80 && a24 == 1)) || (!(a24 == 1) && (((!(a15 == 9) && a12 <= 75) || 8 == a15) || a15 == 5)) - 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 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -267.4 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 211195.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.4 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.4 MB). Peak memory consumption was 540.7 MB. Max. memory is 11.5 GB. * CodeCheck took 51774.36 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 189.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.7 MB). Peak memory consumption was 194.0 MB. Max. memory is 11.5 GB. * Witness Printer took 126.39 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...