./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_7.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_7.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/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 ccd6d122756047ddb1225c106ac06a6748e14c22 ............................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 06:23:53,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 06:23:53,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 06:23:53,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 06:23:53,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 06:23:53,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 06:23:53,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 06:23:53,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 06:23:53,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 06:23:53,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 06:23:53,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 06:23:53,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 06:23:53,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 06:23:53,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 06:23:53,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 06:23:53,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 06:23:53,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 06:23:53,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 06:23:53,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 06:23:53,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 06:23:53,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 06:23:53,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 06:23:53,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 06:23:53,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 06:23:53,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 06:23:53,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 06:23:53,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 06:23:53,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 06:23:53,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 06:23:53,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 06:23:53,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 06:23:53,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 06:23:53,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 06:23:53,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 06:23:53,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 06:23:53,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 06:23:53,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 06:23:53,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 06:23:53,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 06:23:53,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 06:23:53,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 06:23:53,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 06:23:53,745 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 06:23:53,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 06:23:53,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 06:23:53,746 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 06:23:53,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 06:23:53,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 06:23:53,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 06:23:53,747 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 06:23:53,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 06:23:53,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 06:23:53,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 06:23:53,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 06:23:53,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 06:23:53,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 06:23:53,747 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 06:23:53,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 06:23:53,748 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 06:23:53,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 06:23:53,748 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 06:23:53,748 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 06:23:53,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 06:23:53,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 06:23:53,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:23:53,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 06:23:53,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 06:23:53,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 06:23:53,749 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 06:23:53,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 06:23:53,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 06:23:53,749 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_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/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 -> ccd6d122756047ddb1225c106ac06a6748e14c22 [2019-12-02 06:23:53,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 06:23:53,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 06:23:53,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 06:23:53,858 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 06:23:53,858 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 06:23:53,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_7.c [2019-12-02 06:23:53,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/data/8071b81d2/a4d704e67130477f8b1443cc27263518/FLAG4392e5241 [2019-12-02 06:23:54,301 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 06:23:54,302 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/sv-benchmarks/c/locks/test_locks_7.c [2019-12-02 06:23:54,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/data/8071b81d2/a4d704e67130477f8b1443cc27263518/FLAG4392e5241 [2019-12-02 06:23:54,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/data/8071b81d2/a4d704e67130477f8b1443cc27263518 [2019-12-02 06:23:54,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 06:23:54,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 06:23:54,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 06:23:54,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 06:23:54,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 06:23:54,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fee84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54, skipping insertion in model container [2019-12-02 06:23:54,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 06:23:54,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 06:23:54,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:23:54,476 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 06:23:54,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:23:54,499 INFO L208 MainTranslator]: Completed translation [2019-12-02 06:23:54,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54 WrapperNode [2019-12-02 06:23:54,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 06:23:54,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 06:23:54,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 06:23:54,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 06:23:54,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 06:23:54,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 06:23:54,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 06:23:54,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 06:23:54,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 06:23:54,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 06:23:54,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 06:23:54,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 06:23:54,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/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 [2019-12-02 06:23:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 06:23:54,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 06:23:54,816 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 06:23:54,816 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-02 06:23:54,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:23:54 BoogieIcfgContainer [2019-12-02 06:23:54,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 06:23:54,818 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 06:23:54,818 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 06:23:54,827 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 06:23:54,827 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:23:54" (1/1) ... [2019-12-02 06:23:54,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 06:23:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2019-12-02 06:23:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2019-12-02 06:23:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 06:23:54,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2019-12-02 06:23:55,006 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2019-12-02 06:23:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 06:23:55,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2019-12-02 06:23:55,140 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2019-12-02 06:23:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 06:23:55,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:55,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2019-12-02 06:23:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2019-12-02 06:23:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 06:23:55,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:55,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:55,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2019-12-02 06:23:55,436 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2019-12-02 06:23:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 06:23:55,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2019-12-02 06:23:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2019-12-02 06:23:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 06:23:55,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2019-12-02 06:23:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2019-12-02 06:23:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 06:23:55,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:56,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2019-12-02 06:23:56,044 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2019-12-02 06:23:56,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:23:56,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2019-12-02 06:23:56,152 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2019-12-02 06:23:56,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:23:56,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2019-12-02 06:23:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2019-12-02 06:23:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:23:56,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2019-12-02 06:23:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2019-12-02 06:23:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:23:56,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2019-12-02 06:23:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2019-12-02 06:23:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:23:57,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:57,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:57,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:57,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2019-12-02 06:23:57,147 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2019-12-02 06:23:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:23:57,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:57,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2019-12-02 06:23:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2019-12-02 06:23:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:23:57,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2019-12-02 06:23:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2019-12-02 06:23:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:23:58,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2019-12-02 06:23:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2019-12-02 06:23:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:23:59,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2019-12-02 06:23:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2019-12-02 06:23:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:23:59,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:59,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2019-12-02 06:23:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2019-12-02 06:23:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:23:59,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2019-12-02 06:23:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-12-02 06:23:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:23:59,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:23:59,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:23:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2019-12-02 06:23:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2019-12-02 06:23:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:23:59,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:23:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:23:59,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:24:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:24:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2019-12-02 06:24:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-12-02 06:24:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:24:01,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:24:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:24:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:24:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:24:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2019-12-02 06:24:01,944 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2019-12-02 06:24:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:24:01,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:24:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:24:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:24:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:24:02,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2019-12-02 06:24:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2019-12-02 06:24:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:24:02,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:24:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:24:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:24:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:24:02,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2019-12-02 06:24:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2019-12-02 06:24:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:24:02,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:24:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:24:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:24:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:24:02,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2019-12-02 06:24:02,810 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2019-12-02 06:24:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:24:02,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:24:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:24:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:24:03,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:24:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2019-12-02 06:24:03,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2019-12-02 06:24:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:24:03,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:24:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:24:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:24:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:24:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2019-12-02 06:24:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-02 06:24:03,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:24:03,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:24:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:24:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:24:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:24:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2019-12-02 06:24:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2019-12-02 06:24:03,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:24:03,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:24:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:24:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:24:03,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:24:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2019-12-02 06:24:03,696 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-12-02 06:24:03,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 06:24:03,696 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2019-12-02 06:24:03,705 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 06:24:03,870 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:24:03,873 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:24:03,873 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:24:03,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:24:03 ImpRootNode [2019-12-02 06:24:03,873 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 06:24:03,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 06:24:03,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 06:24:03,874 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 06:24:03,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:23:54" (3/4) ... [2019-12-02 06:24:03,876 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 06:24:03,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-02 06:24:03,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-02 06:24:03,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 06:24:03,922 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9f58f7d1-fd3d-4a1b-98ed-b60b1d15d275/bin/ukojak/witness.graphml [2019-12-02 06:24:03,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 06:24:03,923 INFO L168 Benchmark]: Toolchain (without parser) took 9604.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -237.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:24:03,923 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:24:03,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-02 06:24:03,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:24:03,924 INFO L168 Benchmark]: Boogie Preprocessor took 14.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:24:03,925 INFO L168 Benchmark]: RCFGBuilder took 279.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-02 06:24:03,925 INFO L168 Benchmark]: CodeCheck took 9055.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 116.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -131.1 MB). Peak memory consumption was 326.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:24:03,925 INFO L168 Benchmark]: Witness Printer took 48.68 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-12-02 06:24:03,927 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, 22 locations, 1 error locations. Result: SAFE, OverallTime: 8.8s, OverallIterations: 29, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1744830464 SDtfs, 1090582396 SDslu, 0 SDs, 0 SdLazy, 1136601848 SolverSat, 1876813692 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2846 GetRequests, 2650 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16724 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 13349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 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: 119]: 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: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: 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 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 279.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * CodeCheck took 9055.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 116.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -131.1 MB). Peak memory consumption was 326.4 MB. Max. memory is 11.5 GB. * Witness Printer took 48.68 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...