./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/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 ed29b44a6f9564cbed38c70bbb18181a8a1a6c41 ................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:34:52,018 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:34:52,019 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:34:52,026 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:34:52,026 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:34:52,027 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:34:52,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:34:52,029 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:34:52,029 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:34:52,030 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:34:52,030 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:34:52,031 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:34:52,031 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:34:52,032 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:34:52,033 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:34:52,033 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:34:52,034 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:34:52,035 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:34:52,036 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:34:52,038 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:34:52,038 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:34:52,039 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:34:52,041 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:34:52,041 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:34:52,041 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:34:52,042 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:34:52,043 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:34:52,043 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:34:52,044 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:34:52,044 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:34:52,045 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:34:52,045 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:34:52,045 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:34:52,045 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:34:52,046 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:34:52,047 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:34:52,047 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 14:34:52,057 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:34:52,057 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:34:52,058 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:34:52,058 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:34:52,059 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:34:52,059 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:34:52,059 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:34:52,059 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:34:52,059 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:34:52,059 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:34:52,060 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:34:52,060 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:34:52,060 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:34:52,060 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:34:52,060 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:34:52,060 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:34:52,061 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:34:52,061 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:34:52,061 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:34:52,061 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:34:52,061 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:34:52,061 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:34:52,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:34:52,062 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:34:52,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:34:52,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:34:52,062 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:34:52,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:34:52,062 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:34:52,063 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_5051e562-0fef-406a-b30b-28b35a3599bd/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 -> ed29b44a6f9564cbed38c70bbb18181a8a1a6c41 [2018-11-18 14:34:52,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:34:52,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:34:52,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:34:52,100 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:34:52,100 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:34:52,101 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-11-18 14:34:52,147 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/data/24f3b11ef/f99000095a3241d1a0735dc726af9559/FLAGbaf524be9 [2018-11-18 14:34:52,629 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:34:52,629 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-11-18 14:34:52,639 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/data/24f3b11ef/f99000095a3241d1a0735dc726af9559/FLAGbaf524be9 [2018-11-18 14:34:52,656 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/data/24f3b11ef/f99000095a3241d1a0735dc726af9559 [2018-11-18 14:34:52,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:34:52,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:34:52,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:34:52,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:34:52,664 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:34:52,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:34:52" (1/1) ... [2018-11-18 14:34:52,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4634de3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:52, skipping insertion in model container [2018-11-18 14:34:52,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:34:52" (1/1) ... [2018-11-18 14:34:52,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:34:52,708 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:34:52,938 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:34:52,941 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:34:53,008 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:34:53,020 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:34:53,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53 WrapperNode [2018-11-18 14:34:53,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:34:53,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:34:53,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:34:53,022 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:34:53,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... [2018-11-18 14:34:53,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... [2018-11-18 14:34:53,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:34:53,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:34:53,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:34:53,134 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:34:53,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... [2018-11-18 14:34:53,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... [2018-11-18 14:34:53,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... [2018-11-18 14:34:53,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... [2018-11-18 14:34:53,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... [2018-11-18 14:34:53,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... [2018-11-18 14:34:53,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... [2018-11-18 14:34:53,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:34:53,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:34:53,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:34:53,185 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:34:53,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:34:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:34:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:35:46,516 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:35:46,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:35:46 BoogieIcfgContainer [2018-11-18 14:35:46,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:35:46,517 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:35:46,517 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:35:46,526 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:35:46,526 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:35:46" (1/1) ... [2018-11-18 14:35:46,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:35:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 14:35:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 14:35:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 14:35:46,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:35:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 14:35:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 14:35:46,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 14:35:46,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:35:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:47,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-18 14:35:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-18 14:35:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 14:35:47,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:35:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2018-11-18 14:35:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2018-11-18 14:35:48,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 14:35:48,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:35:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:35:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2018-11-18 14:35:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2018-11-18 14:35:48,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 14:35:48,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:35:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:35:49,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:49,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2018-11-18 14:35:49,700 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2018-11-18 14:35:49,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 14:35:49,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:35:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:35:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-11-18 14:35:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-11-18 14:35:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 14:35:50,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:35:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:35:50,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:50,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2018-11-18 14:35:50,424 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2018-11-18 14:35:50,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 14:35:50,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:35:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 14:35:52,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2018-11-18 14:35:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2018-11-18 14:35:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 14:35:52,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:35:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:35:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 14:35:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:35:52,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2018-11-18 14:35:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2018-11-18 14:35:52,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:35:52,992 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-18 14:35:52,998 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 14:35:53,155 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-18 14:35:53,164 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-18 14:35:53,165 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:35:53,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:35:53 ImpRootNode [2018-11-18 14:35:53,165 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:35:53,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:35:53,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:35:53,166 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:35:53,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:35:46" (3/4) ... [2018-11-18 14:35:53,169 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:35:53,185 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 14:35:53,186 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 14:35:53,187 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:35:53,188 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 14:35:53,279 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5051e562-0fef-406a-b30b-28b35a3599bd/bin-2019/ukojak/witness.graphml [2018-11-18 14:35:53,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:35:53,279 INFO L168 Benchmark]: Toolchain (without parser) took 60620.56 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 670.6 MB). Free memory was 955.8 MB in the beginning and 1.4 GB in the end (delta: -431.6 MB). Peak memory consumption was 239.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:53,281 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:35:53,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.90 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 920.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:53,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -253.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:53,282 INFO L168 Benchmark]: Boogie Preprocessor took 51.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:53,282 INFO L168 Benchmark]: RCFGBuilder took 53331.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.7 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -141.4 MB). Peak memory consumption was 504.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:53,282 INFO L168 Benchmark]: CodeCheck took 6648.26 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 284.2 MB). Free memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: -93.8 MB). Peak memory consumption was 190.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:53,282 INFO L168 Benchmark]: Witness Printer took 113.20 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:53,284 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, 6.4s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3652 SDtfs, 8574 SDslu, 8464 SDs, 0 SdLazy, 18124 SolverSat, 2234 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1639 GetRequests, 1443 SyntacticMatches, 88 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6256 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 39485 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 90/227 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: 178]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 6) && a12 == 0) && a4 == 14) || ((a1 <= 218 && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && !(a10 == 4)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a1 <= 218 && a12 == 0) && a4 == 14) || (((!(a19 == 6) || !(a10 == 4)) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.90 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 920.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -253.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 53331.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.7 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -141.4 MB). Peak memory consumption was 504.7 MB. Max. memory is 11.5 GB. * CodeCheck took 6648.26 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 284.2 MB). Free memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: -93.8 MB). Peak memory consumption was 190.4 MB. Max. memory is 11.5 GB. * Witness Printer took 113.20 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...