./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.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_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/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 23f7450b399d10b1ac0a8f247ff41c3f7806d83a .......................................................................................................................................................................................................................................................................... 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 11:34:19,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:34:19,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:34:19,426 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:34:19,426 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:34:19,426 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:34:19,427 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:34:19,428 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:34:19,428 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:34:19,429 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:34:19,430 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:34:19,430 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:34:19,430 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:34:19,431 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:34:19,432 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:34:19,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:34:19,433 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:34:19,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:34:19,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:34:19,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:34:19,437 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:34:19,438 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:34:19,440 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:34:19,440 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:34:19,440 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:34:19,440 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:34:19,441 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:34:19,441 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:34:19,442 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:34:19,443 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:34:19,443 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:34:19,444 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:34:19,444 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:34:19,444 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:34:19,445 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:34:19,445 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:34:19,446 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:34:19,454 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:34:19,454 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:34:19,454 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:34:19,455 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:34:19,455 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:34:19,455 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:34:19,455 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:34:19,456 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:34:19,456 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:34:19,456 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:34:19,456 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:34:19,456 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:34:19,456 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:34:19,456 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:34:19,456 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:34:19,457 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:34:19,457 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:34:19,457 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:34:19,457 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:34:19,457 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:34:19,459 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:34:19,459 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:34:19,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:34:19,459 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:34:19,460 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:34:19,460 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:34:19,460 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:34:19,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:34:19,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:34:19,460 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_1174b9f3-f115-4b86-84c1-861f558ed5a3/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 -> 23f7450b399d10b1ac0a8f247ff41c3f7806d83a [2018-11-18 11:34:19,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:34:19,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:34:19,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:34:19,498 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:34:19,498 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:34:19,499 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-11-18 11:34:19,534 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/data/e45cba534/59b6f3c8d20e49ed97c7731a5d0f31e3/FLAGf391f917b [2018-11-18 11:34:19,983 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:34:19,983 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-11-18 11:34:19,992 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/data/e45cba534/59b6f3c8d20e49ed97c7731a5d0f31e3/FLAGf391f917b [2018-11-18 11:34:20,004 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/data/e45cba534/59b6f3c8d20e49ed97c7731a5d0f31e3 [2018-11-18 11:34:20,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:34:20,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:34:20,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:34:20,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:34:20,011 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:34:20,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20, skipping insertion in model container [2018-11-18 11:34:20,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:34:20,057 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:34:20,272 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:34:20,275 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:34:20,340 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:34:20,352 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:34:20,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20 WrapperNode [2018-11-18 11:34:20,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:34:20,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:34:20,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:34:20,353 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:34:20,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:34:20,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:34:20,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:34:20,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:34:20,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... [2018-11-18 11:34:20,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:34:20,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:34:20,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:34:20,506 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:34:20,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:34:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/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 11:34:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:34:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:34:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:35:31,156 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:35:31,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:35:31 BoogieIcfgContainer [2018-11-18 11:35:31,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:35:31,157 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:35:31,157 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:35:31,163 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:35:31,164 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:35:31" (1/1) ... [2018-11-18 11:35:31,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:35:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 11:35:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 11:35:31,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:35:31,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:31,361 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 11:35:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 11:35:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 11:35:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:35:31,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:31,667 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 11:35:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-18 11:35:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-18 11:35:31,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:35:31,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:32,305 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 11:35:33,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-11-18 11:35:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-11-18 11:35:33,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:35:33,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:33,514 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 11:35:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:33,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-11-18 11:35:33,661 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-11-18 11:35:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:35:33,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:35:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2018-11-18 11:35:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2018-11-18 11:35:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:35:35,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:35:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-11-18 11:35:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-11-18 11:35:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:35:35,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:35:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:35,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2018-11-18 11:35:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2018-11-18 11:35:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:35:35,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:35:39,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-11-18 11:35:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-11-18 11:35:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:35:39,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:35:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 65 states and 108 transitions. [2018-11-18 11:35:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 108 transitions. [2018-11-18 11:35:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:35:40,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:35:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-11-18 11:35:40,686 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-11-18 11:35:40,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:35:40,686 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 11:35:40,696 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:35:40,981 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-18 11:35:40,988 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-18 11:35:40,989 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:35:40,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:35:40 ImpRootNode [2018-11-18 11:35:40,990 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:35:40,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:35:40,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:35:40,990 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:35:40,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:35:31" (3/4) ... [2018-11-18 11:35:40,994 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:35:41,008 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 11:35:41,009 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 11:35:41,010 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:35:41,010 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:35:41,089 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1174b9f3-f115-4b86-84c1-861f558ed5a3/bin-2019/ukojak/witness.graphml [2018-11-18 11:35:41,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:35:41,089 INFO L168 Benchmark]: Toolchain (without parser) took 81082.82 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 581.4 MB). Free memory was 950.1 MB in the beginning and 1.4 GB in the end (delta: -446.6 MB). Peak memory consumption was 134.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:41,090 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:35:41,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 917.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:41,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 915.2 MB in the beginning and 1.1 GB in the end (delta: -220.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:41,091 INFO L168 Benchmark]: Boogie Preprocessor took 47.64 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:41,091 INFO L168 Benchmark]: RCFGBuilder took 70651.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -147.5 MB). Peak memory consumption was 512.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:41,091 INFO L168 Benchmark]: CodeCheck took 9832.35 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 247.5 MB). Free memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: -130.7 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:41,092 INFO L168 Benchmark]: Witness Printer took 98.99 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:41,093 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, 207 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7308 SDtfs, 17396 SDslu, 16944 SDs, 0 SdLazy, 35574 SolverSat, 4458 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1841 GetRequests, 1617 SyntacticMatches, 110 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7473 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 44040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 105/249 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: 582]: Loop Invariant Derived loop invariant: ((((a1 <= 38 || 219 <= a1) || !(a10 == 1)) && a12 == 0) && a4 == 14) || ((!(a19 == 7) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 == 0 && (((a1 <= 38 || 218 < a1) || a19 <= 6) || !(a10 == 1))) && a4 == 14) || (((a19 == 8 || 9 <= a19) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 917.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 915.2 MB in the beginning and 1.1 GB in the end (delta: -220.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.64 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 70651.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -147.5 MB). Peak memory consumption was 512.4 MB. Max. memory is 11.5 GB. * CodeCheck took 9832.35 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 247.5 MB). Free memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: -130.7 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. * Witness Printer took 98.99 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...