./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label03_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_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/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 ed79a69112fb3d1d928a586c813100a391292fcd ................................................................................................................................................................................................................................................................................. 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 17:41:59,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:41:59,565 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:41:59,573 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:41:59,574 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:41:59,574 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:41:59,575 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:41:59,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:41:59,577 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:41:59,578 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:41:59,579 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:41:59,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:41:59,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:41:59,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:41:59,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:41:59,581 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:41:59,582 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:41:59,583 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:41:59,584 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:41:59,585 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:41:59,586 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:41:59,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:41:59,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:41:59,588 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:41:59,589 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:41:59,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:41:59,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:41:59,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:41:59,591 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:41:59,592 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:41:59,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:41:59,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:41:59,593 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:41:59,593 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:41:59,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:41:59,594 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:41:59,594 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:41:59,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:41:59,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:41:59,604 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:41:59,604 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:41:59,605 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:41:59,605 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:41:59,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:41:59,605 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:41:59,605 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:41:59,606 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:41:59,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:41:59,606 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:41:59,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:41:59,606 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:41:59,606 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:41:59,606 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:41:59,606 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:41:59,607 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:41:59,607 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:41:59,607 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:41:59,607 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:41:59,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:41:59,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:41:59,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:41:59,608 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:41:59,608 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:41:59,608 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:41:59,608 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:41:59,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:41:59,608 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_ff175820-f361-45c4-850a-7808691271ad/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 -> ed79a69112fb3d1d928a586c813100a391292fcd [2018-11-18 17:41:59,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:41:59,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:41:59,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:41:59,643 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:41:59,643 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:41:59,644 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-11-18 17:41:59,683 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/data/88a895402/b94761452c53447e8fd6f4db67c9cbbd/FLAG6a2ee13b9 [2018-11-18 17:42:00,131 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:42:00,132 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-11-18 17:42:00,141 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/data/88a895402/b94761452c53447e8fd6f4db67c9cbbd/FLAG6a2ee13b9 [2018-11-18 17:42:00,152 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/data/88a895402/b94761452c53447e8fd6f4db67c9cbbd [2018-11-18 17:42:00,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:42:00,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:42:00,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:42:00,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:42:00,159 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:42:00,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,162 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 05:42:00, skipping insertion in model container [2018-11-18 17:42:00,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:42:00,204 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:42:00,419 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:42:00,421 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:42:00,488 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:42:00,500 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:42:00,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00 WrapperNode [2018-11-18 17:42:00,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:42:00,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:42:00,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:42:00,501 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:42:00,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:42:00,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:42:00,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:42:00,609 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:42:00,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... [2018-11-18 17:42:00,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:42:00,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:42:00,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:42:00,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:42:00,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/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 17:42:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:42:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:42:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:43:06,034 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:43:06,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:43:06 BoogieIcfgContainer [2018-11-18 17:43:06,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:43:06,035 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:43:06,035 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:43:06,042 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:43:06,042 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:43:06" (1/1) ... [2018-11-18 17:43:06,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:06,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 17:43:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 17:43:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:43:06,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:06,213 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 17:43:06,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:06,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 17:43:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 17:43:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 17:43:06,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:06,546 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 17:43:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:06,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-18 17:43:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-18 17:43:06,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:43:06,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:07,064 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 17:43:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-18 17:43:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-18 17:43:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:43:07,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:07,709 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 17:43:07,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:07,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2018-11-18 17:43:07,946 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2018-11-18 17:43:07,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:43:07,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:08,488 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 17:43:09,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2018-11-18 17:43:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2018-11-18 17:43:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:43:09,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:09,943 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 17:43:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 90 transitions. [2018-11-18 17:43:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2018-11-18 17:43:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:43:10,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:43:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2018-11-18 17:43:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2018-11-18 17:43:11,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:43:11,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:12,548 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:43:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2018-11-18 17:43:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2018-11-18 17:43:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:43:12,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:43:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-11-18 17:43:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-11-18 17:43:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 17:43:13,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:43:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:14,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2018-11-18 17:43:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2018-11-18 17:43:14,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 17:43:14,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:43:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:43:16,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:43:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-11-18 17:43:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-11-18 17:43:16,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:43:16,220 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-18 17:43:16,226 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:43:16,428 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 17:43:16,437 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:43:16,437 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-18 17:43:16,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:43:16 ImpRootNode [2018-11-18 17:43:16,438 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:43:16,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:43:16,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:43:16,438 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:43:16,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:43:06" (3/4) ... [2018-11-18 17:43:16,443 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:43:16,459 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 17:43:16,460 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 17:43:16,461 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:43:16,462 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:43:16,562 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ff175820-f361-45c4-850a-7808691271ad/bin-2019/ukojak/witness.graphml [2018-11-18 17:43:16,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:43:16,563 INFO L168 Benchmark]: Toolchain (without parser) took 76408.05 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 659.6 MB). Free memory was 956.6 MB in the beginning and 1.4 GB in the end (delta: -455.7 MB). Peak memory consumption was 203.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:43:16,564 INFO L168 Benchmark]: CDTParser took 0.15 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 17:43:16,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.04 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:43:16,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:43:16,565 INFO L168 Benchmark]: Boogie Preprocessor took 51.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:43:16,565 INFO L168 Benchmark]: RCFGBuilder took 65374.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.8 MB). Peak memory consumption was 344.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:43:16,566 INFO L168 Benchmark]: CodeCheck took 10402.66 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 442.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -313.1 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:43:16,566 INFO L168 Benchmark]: Witness Printer took 124.17 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:43:16,568 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, 10.1s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14888 SDtfs, 35960 SDslu, 34976 SDs, 0 SdLazy, 72408 SolverSat, 9848 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2133 GetRequests, 1873 SyntacticMatches, 144 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7528 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 51315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 115/362 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: 112]: 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: (((!(a19 == 6) && a12 == 0) && a4 == 14) || ((a12 == 0 && !(a10 == 1)) && a4 == 14)) || ((a12 == 0 && a4 == 14) && 0 <= a1 + 12) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 6) || 0 < a1 + 13) || !(a10 == 1)) && a12 == 0) && a4 == 14 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 344.04 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.4 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 108.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 65374.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.8 MB). Peak memory consumption was 344.6 MB. Max. memory is 11.5 GB. * CodeCheck took 10402.66 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 442.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -313.1 MB). Peak memory consumption was 129.4 MB. Max. memory is 11.5 GB. * Witness Printer took 124.17 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...