./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/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 d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:31:17,645 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:31:17,646 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:31:17,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:31:17,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:31:17,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:31:17,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:31:17,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:31:17,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:31:17,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:31:17,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:31:17,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:31:17,657 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:31:17,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:31:17,659 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:31:17,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:31:17,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:31:17,660 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:31:17,662 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:31:17,662 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:31:17,663 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:31:17,664 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:31:17,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:31:17,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:31:17,665 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:31:17,666 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:31:17,666 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:31:17,667 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:31:17,667 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:31:17,668 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:31:17,668 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:31:17,669 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:31:17,669 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:31:17,669 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:31:17,669 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:31:17,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:31:17,670 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 17:31:17,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:31:17,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:31:17,678 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:31:17,678 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 17:31:17,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 17:31:17,678 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 17:31:17,679 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:31:17,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:31:17,679 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:31:17,679 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:31:17,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:31:17,679 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:31:17,679 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:31:17,680 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:31:17,680 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:31:17,680 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:31:17,680 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:31:17,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:31:17,680 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 17:31:17,680 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 17:31:17,680 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:31:17,681 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:31:17,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:31:17,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:31:17,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:31:17,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:31:17,681 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 17:31:17,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:31:17,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:31:17,682 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_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/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 -> d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac [2018-12-09 17:31:17,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:31:17,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:31:17,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:31:17,712 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:31:17,712 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:31:17,712 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c [2018-12-09 17:31:17,754 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/data/cd56bc372/78c718414afb4c42984f24638da25493/FLAGead9f1653 [2018-12-09 17:31:18,174 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:31:18,174 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c [2018-12-09 17:31:18,183 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/data/cd56bc372/78c718414afb4c42984f24638da25493/FLAGead9f1653 [2018-12-09 17:31:18,192 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/data/cd56bc372/78c718414afb4c42984f24638da25493 [2018-12-09 17:31:18,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:31:18,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:31:18,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:31:18,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:31:18,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:31:18,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18, skipping insertion in model container [2018-12-09 17:31:18,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:31:18,226 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:31:18,393 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:31:18,396 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:31:18,478 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:31:18,487 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:31:18,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18 WrapperNode [2018-12-09 17:31:18,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:31:18,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:31:18,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:31:18,488 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:31:18,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:31:18,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:31:18,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:31:18,533 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:31:18,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... [2018-12-09 17:31:18,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:31:18,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:31:18,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:31:18,570 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:31:18,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:31:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:31:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:32:23,625 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:32:23,625 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 17:32:23,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:32:23 BoogieIcfgContainer [2018-12-09 17:32:23,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:32:23,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 17:32:23,626 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 17:32:23,632 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 17:32:23,632 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:32:23" (1/1) ... [2018-12-09 17:32:23,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:32:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 17:32:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 17:32:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 17:32:23,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:32:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 17:32:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 17:32:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 17:32:23,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:32:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2018-12-09 17:32:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2018-12-09 17:32:24,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 17:32:24,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:32:35,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2018-12-09 17:32:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2018-12-09 17:32:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 17:32:35,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:32:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2018-12-09 17:32:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2018-12-09 17:32:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 17:32:35,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 17:32:35,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 16 states and 28 transitions. [2018-12-09 17:32:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2018-12-09 17:32:35,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:32:35,882 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-12-09 17:32:35,887 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 17:32:35,985 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-09 17:32:35,992 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-09 17:32:35,993 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:32:35,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:32:35 ImpRootNode [2018-12-09 17:32:35,993 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 17:32:35,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:32:35,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:32:35,994 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:32:35,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:32:23" (3/4) ... [2018-12-09 17:32:35,998 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:32:36,012 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-09 17:32:36,013 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 17:32:36,013 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 17:32:36,014 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 17:32:36,091 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01f72f17-fae8-4ba6-9763-6aaad7a6ced3/bin-2019/ukojak/witness.graphml [2018-12-09 17:32:36,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:32:36,092 INFO L168 Benchmark]: Toolchain (without parser) took 77897.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 320.3 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -247.9 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:32:36,093 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:32:36,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:32:36,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:32:36,094 INFO L168 Benchmark]: Boogie Preprocessor took 36.61 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:32:36,094 INFO L168 Benchmark]: RCFGBuilder took 65055.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 824.9 MB in the end (delta: 291.2 MB). Peak memory consumption was 476.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:32:36,094 INFO L168 Benchmark]: CodeCheck took 12367.68 ms. Allocated memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: -11.5 MB). Free memory was 824.9 MB in the beginning and 1.2 GB in the end (delta: -399.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:32:36,095 INFO L168 Benchmark]: Witness Printer took 97.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:32:36,096 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, 12.2s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 184 SDtfs, 350 SDslu, 240 SDs, 0 SdLazy, 1062 SolverSat, 140 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 31.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 440 SyntacticMatches, 27 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 6084 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 24/33 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: 154]: 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) && a12 == 0) && a4 == 14) || ((!(a19 == 8) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && ((!(a10 == 3) || 218 < a1) || !(a19 == 8))) && 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.61 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 65055.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 824.9 MB in the end (delta: 291.2 MB). Peak memory consumption was 476.8 MB. Max. memory is 11.5 GB. * CodeCheck took 12367.68 ms. Allocated memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: -11.5 MB). Free memory was 824.9 MB in the beginning and 1.2 GB in the end (delta: -399.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 97.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...