./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/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 06d11383001c52cfbf19a51eafe2dc3d238c9679 ................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:28:15,710 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:28:15,711 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:28:15,717 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:28:15,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:28:15,717 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:28:15,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:28:15,719 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:28:15,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:28:15,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:28:15,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:28:15,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:28:15,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:28:15,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:28:15,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:28:15,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:28:15,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:28:15,724 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:28:15,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:28:15,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:28:15,726 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:28:15,726 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:28:15,727 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:28:15,727 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:28:15,727 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:28:15,728 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:28:15,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:28:15,729 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:28:15,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:28:15,730 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:28:15,730 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:28:15,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:28:15,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:28:15,731 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:28:15,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:28:15,731 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:28:15,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-03 01:28:15,738 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:28:15,739 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:28:15,739 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:28:15,739 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-03 01:28:15,740 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:28:15,740 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:28:15,740 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:28:15,740 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:28:15,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:28:15,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:28:15,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:28:15,741 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:28:15,741 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:28:15,741 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:28:15,741 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:28:15,741 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:28:15,741 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:28:15,741 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:28:15,742 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-03 01:28:15,742 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-03 01:28:15,742 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:28:15,742 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:28:15,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-03 01:28:15,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:28:15,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:28:15,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:28:15,743 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-03 01:28:15,743 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:28:15,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:28:15,743 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_d23d7027-7f3e-41e1-a611-210a9e477aa9/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 -> 06d11383001c52cfbf19a51eafe2dc3d238c9679 [2018-12-03 01:28:15,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:28:15,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:28:15,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:28:15,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:28:15,774 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:28:15,774 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-12-03 01:28:15,813 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/data/ca00b6861/08a2717cc7be4c3b932700558737ccec/FLAG56f8ad2af [2018-12-03 01:28:16,249 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:28:16,249 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-12-03 01:28:16,259 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/data/ca00b6861/08a2717cc7be4c3b932700558737ccec/FLAG56f8ad2af [2018-12-03 01:28:16,271 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/data/ca00b6861/08a2717cc7be4c3b932700558737ccec [2018-12-03 01:28:16,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:28:16,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:28:16,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:28:16,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:28:16,278 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:28:16,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e7e914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16, skipping insertion in model container [2018-12-03 01:28:16,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:28:16,331 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:28:16,578 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:28:16,581 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:28:16,707 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:28:16,717 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:28:16,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16 WrapperNode [2018-12-03 01:28:16,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:28:16,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:28:16,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:28:16,718 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:28:16,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:28:16,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:28:16,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:28:16,785 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:28:16,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... [2018-12-03 01:28:16,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:28:16,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:28:16,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:28:16,841 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:28:16,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:28:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-03 01:28:16,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:28:16,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:35:20,634 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:35:20,634 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-03 01:35:20,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:35:20 BoogieIcfgContainer [2018-12-03 01:35:20,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:35:20,635 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-03 01:35:20,635 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-03 01:35:20,642 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-03 01:35:20,642 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:35:20" (1/1) ... [2018-12-03 01:35:20,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:35:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:35:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-03 01:35:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-03 01:35:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-03 01:35:20,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:35:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:35:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:35:30,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:35:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-03 01:35:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-03 01:35:30,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-03 01:35:30,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:35:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:35:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:35:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:35:31,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-03 01:35:31,510 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-03 01:35:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-03 01:35:31,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:35:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:35:32,253 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 62 [2018-12-03 01:35:32,478 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 58 [2018-12-03 01:35:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:35:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:35:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2018-12-03 01:35:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2018-12-03 01:35:33,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-03 01:35:33,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:35:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:35:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:35:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:35:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2018-12-03 01:35:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2018-12-03 01:35:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-03 01:35:34,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:35:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:35:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:35:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:35:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 59 transitions. [2018-12-03 01:35:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 59 transitions. [2018-12-03 01:35:34,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-03 01:35:34,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:35:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:35:36,025 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2018-12-03 01:35:36,423 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 77 [2018-12-03 01:35:36,748 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2018-12-03 01:35:37,089 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 63 [2018-12-03 01:35:37,419 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 64 [2018-12-03 01:35:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:35:48,639 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2018-12-03 01:35:48,822 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2018-12-03 01:35:49,132 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-12-03 01:36:10,285 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-12-03 01:36:10,574 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2018-12-03 01:36:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:36:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 39 states and 93 transitions. [2018-12-03 01:36:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 93 transitions. [2018-12-03 01:36:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-03 01:36:21,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:36:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:36:22,009 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:36:28,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:36:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 43 states and 107 transitions. [2018-12-03 01:36:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 107 transitions. [2018-12-03 01:36:28,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-03 01:36:28,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:36:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:36:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:36:29,800 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2018-12-03 01:36:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:36:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 46 states and 115 transitions. [2018-12-03 01:36:30,003 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 115 transitions. [2018-12-03 01:36:30,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-03 01:36:30,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:36:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:36:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:36:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:36:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 47 states and 118 transitions. [2018-12-03 01:36:31,117 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 118 transitions. [2018-12-03 01:36:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-03 01:36:31,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:36:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:36:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 01:36:33,960 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2018-12-03 01:36:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:36:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 53 states and 131 transitions. [2018-12-03 01:36:54,688 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 131 transitions. [2018-12-03 01:36:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-03 01:36:54,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:36:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:36:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 01:36:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:36:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 54 states and 131 transitions. [2018-12-03 01:36:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 131 transitions. [2018-12-03 01:36:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-03 01:36:56,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:36:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:36:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 01:36:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:36:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 56 states and 134 transitions. [2018-12-03 01:36:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 134 transitions. [2018-12-03 01:36:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-03 01:36:58,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:36:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:36:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 01:36:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:36:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 42 states and 107 transitions. [2018-12-03 01:36:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 107 transitions. [2018-12-03 01:36:59,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:36:59,977 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2018-12-03 01:36:59,983 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-03 01:37:00,178 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 57 [2018-12-03 01:37:00,331 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 30 [2018-12-03 01:37:00,541 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2018-12-03 01:37:00,692 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 30 [2018-12-03 01:37:00,693 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:37:00,694 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-03 01:37:00,699 INFO L583 CodeCheckObserver]: Invariant with dag size 55 [2018-12-03 01:37:00,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:37:00 ImpRootNode [2018-12-03 01:37:00,701 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-03 01:37:00,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:37:00,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:37:00,701 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:37:00,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:35:20" (3/4) ... [2018-12-03 01:37:00,704 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:37:00,717 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 248 nodes and edges [2018-12-03 01:37:00,718 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 01:37:00,719 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-03 01:37:00,719 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 01:37:00,803 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d23d7027-7f3e-41e1-a611-210a9e477aa9/bin-2019/ukojak/witness.graphml [2018-12-03 01:37:00,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:37:00,804 INFO L168 Benchmark]: Toolchain (without parser) took 524530.01 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 981.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:37:00,804 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:37:00,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-12-03 01:37:00,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.07 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:37:00,805 INFO L168 Benchmark]: Boogie Preprocessor took 55.73 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:37:00,805 INFO L168 Benchmark]: RCFGBuilder took 423793.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -55.6 MB). Peak memory consumption was 627.3 MB. Max. memory is 11.5 GB. [2018-12-03 01:37:00,805 INFO L168 Benchmark]: CodeCheck took 100065.50 ms. Allocated memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: 793.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.9 MB). Peak memory consumption was 785.9 MB. Max. memory is 11.5 GB. [2018-12-03 01:37:00,805 INFO L168 Benchmark]: Witness Printer took 102.33 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-12-03 01:37:00,806 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, 283 locations, 1 error locations. SAFE Result, 99.3s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 49352 SDtfs, 89398 SDslu, 65936 SDs, 0 SdLazy, 298886 SolverSat, 35920 SolverUnsat, 5152 SolverUnknown, 0 SolverNotchecked, 584.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2377 GetRequests, 2095 SyntacticMatches, 130 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12439 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 99828 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 96/261 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: 84]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((((a8 == 15 && (a23 <= 138 || 307 <= a23)) && a3 == 1) || ((a8 == 15 && (246 <= a29 || a29 <= 140)) && a3 == 1)) || ((a8 == 15 && !(a25 == 9)) && a3 == 1)) || ((a8 == 15 && !(a4 == 1)) && a3 == 1) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((a8 == 15 && (((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input)) && a3 == 1) && 312 <= a23) || (((a8 == 15 && ((!(a25 == 9) || a23 <= 138) || a29 <= 140)) && !(a23 <= 312 && 312 <= a23)) && a3 == 1)) || ((a8 == 15 && (245 < a29 || !(a4 == 1))) && a3 == 1)) || (((a8 == 15 && 306 < a23) && !((a29 <= 130 && 130 <= a29) && a25 == 10)) && a3 == 1) * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 442.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.07 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.73 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 423793.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -55.6 MB). Peak memory consumption was 627.3 MB. Max. memory is 11.5 GB. * CodeCheck took 100065.50 ms. Allocated memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: 793.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.9 MB). Peak memory consumption was 785.9 MB. Max. memory is 11.5 GB. * Witness Printer took 102.33 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...