./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/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 9affa82f51321a26e1ff4ceb2134487588896d81 ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:58:16,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:58:16,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:58:16,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:58:16,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:58:16,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:58:16,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:58:16,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:58:16,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:58:16,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:58:16,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:58:16,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:58:16,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:58:16,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:58:16,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:58:16,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:58:16,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:58:16,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:58:16,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:58:16,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:58:16,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:58:16,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:58:16,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:58:16,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:58:16,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:58:16,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:58:16,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:58:16,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:58:16,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:58:16,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:58:16,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:58:16,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:58:16,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:58:16,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:58:16,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:58:16,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:58:16,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:58:16,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:58:16,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:58:16,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:58:16,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:58:16,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 21:58:16,653 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:58:16,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:58:16,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 21:58:16,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 21:58:16,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:58:16,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:58:16,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:58:16,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:58:16,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:58:16,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:58:16,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:58:16,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:58:16,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:58:16,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:58:16,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:58:16,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:58:16,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:58:16,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:58:16,659 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 21:58:16,659 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 21:58:16,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:58:16,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:58:16,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 21:58:16,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:58:16,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:58:16,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:58:16,661 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 21:58:16,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:58:16,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:58:16,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/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 -> 9affa82f51321a26e1ff4ceb2134487588896d81 [2019-11-19 21:58:16,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:58:16,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:58:16,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:58:16,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:58:16,870 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:58:16,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2019-11-19 21:58:16,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/data/063da3e72/2cb4c558cdc54d18b5cc5b6df45c3da1/FLAGde215104d [2019-11-19 21:58:17,430 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:58:17,431 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2019-11-19 21:58:17,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/data/063da3e72/2cb4c558cdc54d18b5cc5b6df45c3da1/FLAGde215104d [2019-11-19 21:58:17,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/data/063da3e72/2cb4c558cdc54d18b5cc5b6df45c3da1 [2019-11-19 21:58:17,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:58:17,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:58:17,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:58:17,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:58:17,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:58:17,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:58:17" (1/1) ... [2019-11-19 21:58:17,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19793048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:17, skipping insertion in model container [2019-11-19 21:58:17,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:58:17" (1/1) ... [2019-11-19 21:58:17,730 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:58:17,791 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:58:18,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:58:18,279 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:58:18,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:58:18,397 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:58:18,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18 WrapperNode [2019-11-19 21:58:18,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:58:18,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:58:18,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:58:18,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:58:18,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... [2019-11-19 21:58:18,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... [2019-11-19 21:58:18,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:58:18,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:58:18,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:58:18,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:58:18,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... [2019-11-19 21:58:18,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... [2019-11-19 21:58:18,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... [2019-11-19 21:58:18,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... [2019-11-19 21:58:18,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... [2019-11-19 21:58:18,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... [2019-11-19 21:58:18,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... [2019-11-19 21:58:18,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:58:18,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:58:18,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:58:18,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:58:18,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:58:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/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 [2019-11-19 21:58:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:58:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:59:27,443 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:59:27,443 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 21:59:27,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:27 BoogieIcfgContainer [2019-11-19 21:59:27,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:59:27,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 21:59:27,445 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 21:59:27,453 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 21:59:27,453 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:27" (1/1) ... [2019-11-19 21:59:27,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:59:27,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:59:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-19 21:59:27,495 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-19 21:59:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 21:59:27,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:59:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:59:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-19 21:59:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-19 21:59:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 21:59:27,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:59:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:59:28,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-11-19 21:59:28,717 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-11-19 21:59:28,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 21:59:28,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:59:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:29,395 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2019-11-19 21:59:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:31,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:59:31,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2019-11-19 21:59:31,993 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2019-11-19 21:59:31,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 21:59:31,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:59:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:59:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 21:59:32,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2019-11-19 21:59:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2019-11-19 21:59:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 21:59:32,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 21:59:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:59:33,671 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2019-11-19 21:59:34,004 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2019-11-19 21:59:34,177 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2019-11-19 21:59:34,419 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 32 [2019-11-19 21:59:34,646 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2019-11-19 21:59:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:08,375 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-11-19 22:00:08,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:00:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 81 transitions. [2019-11-19 22:00:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 81 transitions. [2019-11-19 22:00:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:00:08,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:00:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:09,360 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-11-19 22:00:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:00:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 94 transitions. [2019-11-19 22:00:10,400 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 94 transitions. [2019-11-19 22:00:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 22:00:10,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:00:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:12,848 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 23 [2019-11-19 22:00:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:00:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:00:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 39 states and 84 transitions. [2019-11-19 22:00:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 84 transitions. [2019-11-19 22:00:15,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:00:15,600 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-11-19 22:00:15,613 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:00:15,888 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-11-19 22:00:16,052 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-11-19 22:00:16,225 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-11-19 22:00:16,388 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-19 22:00:16,390 INFO L569 CodeCheckObserver]: Invariant with dag size 28 [2019-11-19 22:00:16,400 INFO L569 CodeCheckObserver]: Invariant with dag size 28 [2019-11-19 22:00:16,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:00:16,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:00:16 ImpRootNode [2019-11-19 22:00:16,402 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:00:16,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:00:16,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:00:16,403 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:00:16,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:27" (3/4) ... [2019-11-19 22:00:16,406 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:00:16,433 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-11-19 22:00:16,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-19 22:00:16,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 22:00:16,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:00:16,586 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e0a46ef4-0ce2-42fa-b620-d5a7e347c0c2/bin/ukojak/witness.graphml [2019-11-19 22:00:16,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:00:16,588 INFO L168 Benchmark]: Toolchain (without parser) took 118878.72 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 417.3 MB). Free memory was 946.1 MB in the beginning and 878.2 MB in the end (delta: 67.9 MB). Peak memory consumption was 485.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:16,588 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:00:16,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:16,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.09 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:16,589 INFO L168 Benchmark]: Boogie Preprocessor took 80.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:16,590 INFO L168 Benchmark]: RCFGBuilder took 68875.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -65.1 MB). Peak memory consumption was 328.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:16,590 INFO L168 Benchmark]: CodeCheck took 48957.35 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 175.1 MB). Free memory was 1.2 GB in the beginning and 903.5 MB in the end (delta: 249.9 MB). Peak memory consumption was 425.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:16,590 INFO L168 Benchmark]: Witness Printer took 184.23 ms. Allocated memory is still 1.4 GB. Free memory was 903.5 MB in the beginning and 878.2 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:16,592 INFO L335 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, 9 locations, 1 error locations. Result: SAFE, OverallTime: 48.1s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 872 SDtfs, 1802 SDslu, 1232 SDs, 0 SdLazy, 5458 SolverSat, 776 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 103.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1029 GetRequests, 856 SyntacticMatches, 37 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9935 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 24892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 24/101 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 85]: 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: ((((9 == a19 || ((14 == a4 && a12 == 0) && !(a10 == 0))) || ((14 == a4 && !(a19 == 7)) && a12 == 0)) || 10 == a19) || (a1 <= 23 && 14 == a4 && a12 == 0)) || ((14 == a4 && 518104 <= a1) && a12 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && !(a10 == 0)) || (((a1 <= 38 || !(a19 == 7)) && 14 == a4) && a12 == 0)) || ((14 == a4 && 218 < a1) && a12 == 0)) || 10 == a19 || 9 == a19 - 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 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 686.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.09 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 68875.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -65.1 MB). Peak memory consumption was 328.2 MB. Max. memory is 11.5 GB. * CodeCheck took 48957.35 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 175.1 MB). Free memory was 1.2 GB in the beginning and 903.5 MB in the end (delta: 249.9 MB). Peak memory consumption was 425.0 MB. Max. memory is 11.5 GB. * Witness Printer took 184.23 ms. Allocated memory is still 1.4 GB. Free memory was 903.5 MB in the beginning and 878.2 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...