./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.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_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/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 06d11383001c52cfbf19a51eafe2dc3d238c9679 ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 03:37:13,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 03:37:13,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 03:37:13,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 03:37:13,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 03:37:13,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 03:37:13,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 03:37:13,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 03:37:13,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 03:37:13,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 03:37:13,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 03:37:13,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 03:37:13,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 03:37:13,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 03:37:13,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 03:37:13,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 03:37:13,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 03:37:13,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 03:37:13,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 03:37:13,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 03:37:13,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 03:37:13,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 03:37:13,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 03:37:13,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 03:37:13,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 03:37:13,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 03:37:13,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 03:37:13,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 03:37:13,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 03:37:13,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 03:37:13,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 03:37:13,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 03:37:13,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 03:37:13,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 03:37:13,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 03:37:13,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 03:37:13,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 03:37:13,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 03:37:13,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 03:37:13,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 03:37:13,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 03:37:13,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 03:37:13,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 03:37:13,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 03:37:13,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 03:37:13,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 03:37:13,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 03:37:13,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 03:37:13,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 03:37:13,878 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 03:37:13,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 03:37:13,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 03:37:13,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 03:37:13,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 03:37:13,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 03:37:13,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 03:37:13,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 03:37:13,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 03:37:13,880 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 03:37:13,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 03:37:13,880 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 03:37:13,880 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 03:37:13,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 03:37:13,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 03:37:13,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 03:37:13,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 03:37:13,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 03:37:13,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 03:37:13,881 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 03:37:13,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 03:37:13,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 03:37:13,882 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_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/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 -> 06d11383001c52cfbf19a51eafe2dc3d238c9679 [2019-12-01 03:37:13,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 03:37:13,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 03:37:13,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 03:37:13,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 03:37:13,999 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 03:37:13,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2019-12-01 03:37:14,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/data/3d15d87fa/1e38faf648114bd98d8aff0856859b7a/FLAGce6a52d63 [2019-12-01 03:37:14,422 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 03:37:14,422 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2019-12-01 03:37:14,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/data/3d15d87fa/1e38faf648114bd98d8aff0856859b7a/FLAGce6a52d63 [2019-12-01 03:37:14,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/data/3d15d87fa/1e38faf648114bd98d8aff0856859b7a [2019-12-01 03:37:14,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 03:37:14,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 03:37:14,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 03:37:14,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 03:37:14,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 03:37:14,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:14,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d50c974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14, skipping insertion in model container [2019-12-01 03:37:14,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:14,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 03:37:14,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 03:37:14,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 03:37:14,839 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 03:37:14,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 03:37:14,956 INFO L208 MainTranslator]: Completed translation [2019-12-01 03:37:14,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14 WrapperNode [2019-12-01 03:37:14,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 03:37:14,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 03:37:14,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 03:37:14,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 03:37:14,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:14,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:15,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 03:37:15,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 03:37:15,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 03:37:15,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 03:37:15,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:15,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:15,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:15,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:15,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:15,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:15,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... [2019-12-01 03:37:15,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 03:37:15,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 03:37:15,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 03:37:15,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 03:37:15,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/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 [2019-12-01 03:37:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 03:37:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 03:46:07,676 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 03:46:07,676 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 03:46:07,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:46:07 BoogieIcfgContainer [2019-12-01 03:46:07,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 03:46:07,677 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 03:46:07,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 03:46:07,684 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 03:46:07,684 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:46:07" (1/1) ... [2019-12-01 03:46:07,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 03:46:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:46:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 03:46:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 03:46:07,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 03:46:07,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:46:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:46:07,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:46:07,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:46:07,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 03:46:07,934 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 03:46:07,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 03:46:07,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:46:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:46:08,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:46:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:46:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 03:46:19,244 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 03:46:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 03:46:19,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:46:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:46:20,331 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 35 [2019-12-01 03:46:20,461 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2019-12-01 03:46:20,807 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 55 [2019-12-01 03:46:20,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:46:32,105 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-12-01 03:47:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:47:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2019-12-01 03:47:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2019-12-01 03:47:02,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 03:47:02,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:47:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:47:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:47:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:47:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2019-12-01 03:47:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2019-12-01 03:47:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 03:47:03,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:47:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:47:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:47:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:47:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2019-12-01 03:47:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2019-12-01 03:47:04,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 03:47:04,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:47:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:47:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 03:47:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:47:56,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2019-12-01 03:47:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2019-12-01 03:47:56,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 03:47:56,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:47:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:48:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 03:48:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:48:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 38 states and 77 transitions. [2019-12-01 03:48:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 77 transitions. [2019-12-01 03:48:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 03:48:05,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:48:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:48:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 03:48:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:48:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 86 transitions. [2019-12-01 03:48:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2019-12-01 03:48:29,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 03:48:29,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:48:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:48:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 03:48:51,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:48:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2019-12-01 03:48:51,730 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2019-12-01 03:48:51,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 03:48:51,731 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2019-12-01 03:48:51,737 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 03:48:51,999 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2019-12-01 03:48:52,102 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 29 [2019-12-01 03:48:52,231 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2019-12-01 03:48:52,333 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 29 [2019-12-01 03:48:52,333 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 03:48:52,337 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2019-12-01 03:48:52,342 INFO L569 CodeCheckObserver]: Invariant with dag size 79 [2019-12-01 03:48:52,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:48:52 ImpRootNode [2019-12-01 03:48:52,347 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 03:48:52,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 03:48:52,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 03:48:52,347 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 03:48:52,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:46:07" (3/4) ... [2019-12-01 03:48:52,350 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 03:48:52,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 248 nodes and edges [2019-12-01 03:48:52,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-12-01 03:48:52,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-01 03:48:52,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 03:48:52,479 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ef416378-f9e2-4eaf-9026-f0e8bb8a2326/bin/ukojak/witness.graphml [2019-12-01 03:48:52,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 03:48:52,481 INFO L168 Benchmark]: Toolchain (without parser) took 698036.78 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 938.2 MB in the beginning and 1.9 GB in the end (delta: -935.9 MB). Peak memory consumption was 410.0 MB. Max. memory is 11.5 GB. [2019-12-01 03:48:52,481 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 03:48:52,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 938.2 MB in the beginning and 1.0 GB in the end (delta: -104.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-12-01 03:48:52,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-01 03:48:52,482 INFO L168 Benchmark]: Boogie Preprocessor took 87.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-12-01 03:48:52,483 INFO L168 Benchmark]: RCFGBuilder took 532538.03 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 112.7 MB). Free memory was 1.0 GB in the beginning and 768.7 MB in the end (delta: 246.4 MB). Peak memory consumption was 431.9 MB. Max. memory is 11.5 GB. [2019-12-01 03:48:52,483 INFO L168 Benchmark]: CodeCheck took 164669.88 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.1 GB). Free memory was 768.7 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 03:48:52,483 INFO L168 Benchmark]: Witness Printer took 132.22 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2019-12-01 03:48:52,485 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: 164.0s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3296 SDtfs, 6356 SDslu, 4544 SDs, 0 SdLazy, 18312 SolverSat, 2708 SolverUnsat, 832 SolverUnknown, 0 SolverNotchecked, 528.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1353 GetRequests, 1162 SyntacticMatches, 73 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7687 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 61.8s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 39880 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 72/147 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: 84]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((!(a25 == 9) && 1 == a3) && 15 == a8) || ((((!(1 == a4) || 307 <= a23) || a29 <= 140) && 1 == a3) && 15 == a8)) || ((1 == a3 && 15 == a8) && (246 <= a29 || a23 <= 138)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((1 == a3 && !(((a29 <= 130 && 1 == a4) && 130 <= a29) && a25 == 10)) && 15 == a8) && (((((a25 == 13 && a23 <= 312) && a29 <= 130) && 130 <= a29) && 312 <= a23) || ((((245 < a29 || 312 <= a23) && (a25 == 12 || (((a23 <= 312 && 312 <= a23) || !(a25 == 10)) && (((0 < a23 + 43 && a29 <= 599998) && 300138 <= a29) || a25 == 10)))) && ((a25 == 12 || a25 == 9) || a25 == 10)) && (a23 + 43 <= 0 || 138 < a23)))) || ((((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && 1 == a3) && 15 == a8) && 312 <= a23)) || (((!(((((a25 == 13 && a23 <= 312) && a29 <= 130) && 130 <= a29) && 312 <= a23) || ((((245 < a29 || 312 <= a23) && (a25 == 12 || (((a23 <= 312 && 312 <= a23) || !(a25 == 10)) && (((0 < a23 + 43 && a29 <= 599998) && 300138 <= a29) || a25 == 10)))) && ((a25 == 12 || a25 == 9) || a25 == 10)) && (a23 + 43 <= 0 || 138 < a23))) && 1 == a3) && ((((!(a25 == 9) || 306 < a23) || a23 <= 138) || 277 < a29) || !(1 == a4))) && 15 == a8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 938.2 MB in the beginning and 1.0 GB in the end (delta: -104.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 532538.03 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 112.7 MB). Free memory was 1.0 GB in the beginning and 768.7 MB in the end (delta: 246.4 MB). Peak memory consumption was 431.9 MB. Max. memory is 11.5 GB. * CodeCheck took 164669.88 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.1 GB). Free memory was 768.7 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 132.22 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...