./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label54_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label54_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/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 53b983b7afabd36c3f52ff1a7123c853e0b66b99 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:42:08,535 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:42:08,536 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:42:08,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:42:08,545 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:42:08,546 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:42:08,547 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:42:08,548 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:42:08,549 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:42:08,550 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:42:08,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:42:08,551 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:42:08,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:42:08,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:42:08,553 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:42:08,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:42:08,554 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:42:08,555 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:42:08,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:42:08,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:42:08,558 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:42:08,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:42:08,561 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:42:08,561 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:42:08,561 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:42:08,562 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:42:08,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:42:08,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:42:08,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:42:08,565 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:42:08,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:42:08,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:42:08,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:42:08,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:42:08,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:42:08,567 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:42:08,567 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:42:08,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:42:08,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:42:08,579 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:42:08,579 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:42:08,579 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:42:08,579 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:42:08,580 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:42:08,580 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:42:08,580 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:42:08,580 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:42:08,580 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:42:08,580 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:42:08,580 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:42:08,581 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:42:08,581 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:42:08,581 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:42:08,581 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:42:08,581 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:42:08,581 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:42:08,581 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:42:08,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:42:08,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:42:08,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:42:08,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:42:08,582 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:42:08,582 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:42:08,582 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:42:08,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:42:08,583 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_41a5e45e-c956-43a1-869f-997d89a8e18f/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 -> 53b983b7afabd36c3f52ff1a7123c853e0b66b99 [2018-11-10 05:42:08,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:42:08,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:42:08,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:42:08,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:42:08,618 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:42:08,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label54_true-unreach-call.c [2018-11-10 05:42:08,661 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/data/dd85c1128/af4563d59bbc4912b67a10aae4a72773/FLAG8af260901 [2018-11-10 05:42:09,061 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:42:09,062 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/sv-benchmarks/c/eca-rers2012/Problem10_label54_true-unreach-call.c [2018-11-10 05:42:09,071 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/data/dd85c1128/af4563d59bbc4912b67a10aae4a72773/FLAG8af260901 [2018-11-10 05:42:09,083 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/data/dd85c1128/af4563d59bbc4912b67a10aae4a72773 [2018-11-10 05:42:09,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:42:09,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:42:09,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:42:09,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:42:09,091 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:42:09,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cef0fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09, skipping insertion in model container [2018-11-10 05:42:09,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:42:09,137 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:42:09,343 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:42:09,346 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:42:09,413 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:42:09,423 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:42:09,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09 WrapperNode [2018-11-10 05:42:09,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:42:09,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:42:09,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:42:09,424 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:42:09,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:42:09,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:42:09,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:42:09,541 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:42:09,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... [2018-11-10 05:42:09,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:42:09,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:42:09,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:42:09,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:42:09,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:42:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/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 [2018-11-10 05:42:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:42:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:42:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:43:55,923 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:43:55,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:43:55 BoogieIcfgContainer [2018-11-10 05:43:55,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:43:55,924 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:43:55,924 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:43:55,934 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:43:55,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:43:55" (1/1) ... [2018-11-10 05:43:55,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:43:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 05:43:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 05:43:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:43:55,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:56,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:56,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 05:43:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 05:43:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:43:56,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:43:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:43:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-10 05:43:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-10 05:43:56,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:43:56,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:43:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:43:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:44:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:44:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2018-11-10 05:44:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2018-11-10 05:44:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:44:09,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:44:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:44:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:44:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:44:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-11-10 05:44:09,995 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-11-10 05:44:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:44:09,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:44:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:44:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:44:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:44:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2018-11-10 05:44:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2018-11-10 05:44:21,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:44:21,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:44:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:44:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:44:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:44:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2018-11-10 05:44:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2018-11-10 05:44:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:44:21,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:44:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:44:22,347 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:44:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:44:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2018-11-10 05:44:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2018-11-10 05:44:22,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:44:22,471 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 05:44:22,477 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:44:22,589 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 21 [2018-11-10 05:44:22,784 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 05:44:22,793 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-11-10 05:44:22,793 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:44:22,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:44:22 ImpRootNode [2018-11-10 05:44:22,794 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:44:22,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:44:22,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:44:22,796 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:44:22,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:43:55" (3/4) ... [2018-11-10 05:44:22,800 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:44:22,816 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-10 05:44:22,817 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 05:44:22,818 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:44:22,819 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:44:22,910 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_41a5e45e-c956-43a1-869f-997d89a8e18f/bin-2019/ukojak/witness.graphml [2018-11-10 05:44:22,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:44:22,911 INFO L168 Benchmark]: Toolchain (without parser) took 133824.29 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 386.4 MB). Free memory was 956.5 MB in the beginning and 1.3 GB in the end (delta: -299.9 MB). Peak memory consumption was 86.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:44:22,911 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:44:22,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 916.2 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:44:22,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:44:22,913 INFO L168 Benchmark]: Boogie Preprocessor took 45.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:44:22,913 INFO L168 Benchmark]: RCFGBuilder took 106337.68 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 1.1 GB in the beginning and 805.0 MB in the end (delta: 292.5 MB). Peak memory consumption was 463.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:44:22,914 INFO L168 Benchmark]: CodeCheck took 26869.97 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 103.8 MB). Free memory was 805.0 MB in the beginning and 1.3 GB in the end (delta: -473.4 MB). Peak memory consumption was 159.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:44:22,914 INFO L168 Benchmark]: Witness Printer took 114.18 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:44:22,916 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, 26.5s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 912 SDtfs, 2208 SDslu, 2112 SDs, 0 SdLazy, 4664 SolverSat, 616 SolverUnsat, 40 SolverUnknown, 0 SolverNotchecked, 91.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1079 GetRequests, 932 SyntacticMatches, 55 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4315 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 21250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 45/111 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: 190]: 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) || ((a12 == 0 && a4 == 14) && !(a19 == 8)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && ((!(a10 == 3) || a1 <= 218) || !(a19 == 8)) - 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 916.2 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 106337.68 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 1.1 GB in the beginning and 805.0 MB in the end (delta: 292.5 MB). Peak memory consumption was 463.2 MB. Max. memory is 11.5 GB. * CodeCheck took 26869.97 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 103.8 MB). Free memory was 805.0 MB in the beginning and 1.3 GB in the end (delta: -473.4 MB). Peak memory consumption was 159.0 MB. Max. memory is 11.5 GB. * Witness Printer took 114.18 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...