./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/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 fbcb07371208327a722ea46e4a68d92ffffb2dff ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:22:56,705 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:22:56,706 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:22:56,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:22:56,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:22:56,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:22:56,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:22:56,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:22:56,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:22:56,716 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:22:56,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:22:56,717 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:22:56,718 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:22:56,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:22:56,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:22:56,719 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:22:56,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:22:56,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:22:56,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:22:56,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:22:56,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:22:56,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:22:56,726 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:22:56,726 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:22:56,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:22:56,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:22:56,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:22:56,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:22:56,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:22:56,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:22:56,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:22:56,729 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:22:56,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:22:56,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:22:56,730 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:22:56,731 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:22:56,731 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 14:22:56,738 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:22:56,739 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:22:56,739 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:22:56,739 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:22:56,740 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:22:56,740 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:22:56,740 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:22:56,740 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:22:56,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:22:56,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:22:56,741 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:22:56,741 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:22:56,741 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:22:56,741 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:22:56,741 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:22:56,741 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:22:56,741 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:22:56,742 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:22:56,742 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:22:56,742 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:22:56,742 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:22:56,742 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:22:56,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:22:56,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:22:56,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:22:56,743 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:22:56,743 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:22:56,743 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:22:56,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:22:56,743 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_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/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 -> fbcb07371208327a722ea46e4a68d92ffffb2dff [2018-11-23 14:22:56,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:22:56,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:22:56,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:22:56,779 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:22:56,779 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:22:56,779 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c [2018-11-23 14:22:56,817 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/data/b1088c301/8f114528370849d187e52376d8e0fb86/FLAG4d6a80c47 [2018-11-23 14:22:57,183 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:22:57,184 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c [2018-11-23 14:22:57,193 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/data/b1088c301/8f114528370849d187e52376d8e0fb86/FLAG4d6a80c47 [2018-11-23 14:22:57,205 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/data/b1088c301/8f114528370849d187e52376d8e0fb86 [2018-11-23 14:22:57,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:22:57,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:22:57,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:22:57,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:22:57,212 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:22:57,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585def0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57, skipping insertion in model container [2018-11-23 14:22:57,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:22:57,257 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:22:57,483 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:22:57,486 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:22:57,555 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:22:57,567 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:22:57,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57 WrapperNode [2018-11-23 14:22:57,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:22:57,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:22:57,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:22:57,569 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:22:57,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:22:57,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:22:57,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:22:57,672 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:22:57,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 14:22:57,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:22:57,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:22:57,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:22:57,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:22:57,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/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 [2018-11-23 14:22:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:22:57,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:22:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:23:43,340 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:23:43,340 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 14:23:43,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:43 BoogieIcfgContainer [2018-11-23 14:23:43,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:23:43,341 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:23:43,341 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:23:43,350 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:23:43,350 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:43" (1/1) ... [2018-11-23 14:23:43,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:23:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:23:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 14:23:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 14:23:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 14:23:43,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:23:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:23:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:23:43,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:23:43,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 14:23:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 14:23:43,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 14:23:43,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:23:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:23:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:23:44,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:23:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-11-23 14:23:44,079 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-11-23 14:23:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:23:44,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:23:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:23:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:23:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:23:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2018-11-23 14:23:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2018-11-23 14:23:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 14:23:54,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:23:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:23:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:23:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:23:55,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2018-11-23 14:23:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2018-11-23 14:23:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:23:55,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:23:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:23:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:23:56,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:23:56,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2018-11-23 14:23:56,047 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2018-11-23 14:23:56,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:23:56,047 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-23 14:23:56,054 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 14:23:56,158 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 14:23:56,165 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-23 14:23:56,166 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:23:56,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:23:56 ImpRootNode [2018-11-23 14:23:56,166 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:23:56,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:23:56,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:23:56,167 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:23:56,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:43" (3/4) ... [2018-11-23 14:23:56,170 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:23:56,184 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2018-11-23 14:23:56,184 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 14:23:56,185 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:23:56,185 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:23:56,264 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9ac577d-1fb6-4494-b9cf-51ade1f6d499/bin-2019/ukojak/witness.graphml [2018-11-23 14:23:56,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:23:56,265 INFO L168 Benchmark]: Toolchain (without parser) took 59057.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 248.0 MB). Free memory was 956.6 MB in the beginning and 914.8 MB in the end (delta: 41.7 MB). Peak memory consumption was 289.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:23:56,266 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:23:56,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.96 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:23:56,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:23:56,267 INFO L168 Benchmark]: Boogie Preprocessor took 46.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:23:56,267 INFO L168 Benchmark]: RCFGBuilder took 45622.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.9 MB). Peak memory consumption was 350.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:23:56,267 INFO L168 Benchmark]: CodeCheck took 12824.95 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.1 MB). Free memory was 1.1 GB in the beginning and 937.3 MB in the end (delta: 195.6 MB). Peak memory consumption was 208.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:23:56,268 INFO L168 Benchmark]: Witness Printer took 98.25 ms. Allocated memory is still 1.3 GB. Free memory was 937.3 MB in the beginning and 914.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:23:56,269 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, 206 locations, 1 error locations. SAFE Result, 12.6s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 192 SDtfs, 360 SDslu, 256 SDs, 0 SdLazy, 924 SolverSat, 140 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 30.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 460 SyntacticMatches, 19 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1448 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 6716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 193]: 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: (((!(a10 == 3) || a1 <= 218) && a12 == 0) && a4 == 14) || ((!(a19 == 7) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && ((!(a10 == 3) || a1 <= 218) || !(a19 == 7)) - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.96 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 45622.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.9 MB). Peak memory consumption was 350.0 MB. Max. memory is 11.5 GB. * CodeCheck took 12824.95 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.1 MB). Free memory was 1.1 GB in the beginning and 937.3 MB in the end (delta: 195.6 MB). Peak memory consumption was 208.7 MB. Max. memory is 11.5 GB. * Witness Printer took 98.25 ms. Allocated memory is still 1.3 GB. Free memory was 937.3 MB in the beginning and 914.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...