./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.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_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/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 2fe32dd1d26a4cf82120db07241724c51fa6ea29 ................................................................................................................................................................................................................................................................. 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 19:27:34,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 19:27:34,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 19:27:34,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 19:27:34,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 19:27:34,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 19:27:34,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 19:27:34,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 19:27:34,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 19:27:34,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 19:27:34,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 19:27:34,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 19:27:34,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 19:27:34,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 19:27:34,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 19:27:34,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 19:27:34,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 19:27:34,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 19:27:34,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 19:27:34,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 19:27:34,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 19:27:34,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 19:27:34,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 19:27:34,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 19:27:34,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 19:27:34,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 19:27:34,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 19:27:34,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 19:27:34,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 19:27:34,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 19:27:34,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 19:27:34,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 19:27:34,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 19:27:34,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 19:27:34,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 19:27:34,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 19:27:34,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 19:27:34,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 19:27:34,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 19:27:34,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 19:27:34,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 19:27:34,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 19:27:34,935 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 19:27:34,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 19:27:34,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 19:27:34,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 19:27:34,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 19:27:34,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 19:27:34,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 19:27:34,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 19:27:34,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 19:27:34,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 19:27:34,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 19:27:34,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 19:27:34,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 19:27:34,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 19:27:34,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 19:27:34,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 19:27:34,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 19:27:34,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 19:27:34,938 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 19:27:34,938 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 19:27:34,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 19:27:34,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 19:27:34,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 19:27:34,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 19:27:34,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 19:27:34,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 19:27:34,939 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 19:27:34,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 19:27:34,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 19:27:34,939 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_e21618a3-3997-4fbd-8dad-f52fc6b4927c/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 -> 2fe32dd1d26a4cf82120db07241724c51fa6ea29 [2019-12-01 19:27:35,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 19:27:35,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 19:27:35,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 19:27:35,050 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 19:27:35,050 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 19:27:35,051 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2019-12-01 19:27:35,098 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/data/10a3299c1/cb2f38122b6442209cb3dda0ed59053a/FLAGa37cf64e6 [2019-12-01 19:27:35,605 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 19:27:35,605 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2019-12-01 19:27:35,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/data/10a3299c1/cb2f38122b6442209cb3dda0ed59053a/FLAGa37cf64e6 [2019-12-01 19:27:36,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/data/10a3299c1/cb2f38122b6442209cb3dda0ed59053a [2019-12-01 19:27:36,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 19:27:36,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 19:27:36,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 19:27:36,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 19:27:36,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 19:27:36,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354778c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36, skipping insertion in model container [2019-12-01 19:27:36,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 19:27:36,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 19:27:36,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:27:36,403 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 19:27:36,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:27:36,469 INFO L208 MainTranslator]: Completed translation [2019-12-01 19:27:36,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36 WrapperNode [2019-12-01 19:27:36,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 19:27:36,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 19:27:36,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 19:27:36,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 19:27:36,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 19:27:36,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 19:27:36,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 19:27:36,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 19:27:36,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... [2019-12-01 19:27:36,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 19:27:36,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 19:27:36,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 19:27:36,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 19:27:36,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:27:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/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 19:27:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 19:27:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 19:28:43,518 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 19:28:43,518 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 19:28:43,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:28:43 BoogieIcfgContainer [2019-12-01 19:28:43,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 19:28:43,520 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 19:28:43,520 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 19:28:43,526 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 19:28:43,527 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:28:43" (1/1) ... [2019-12-01 19:28:43,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 19:28:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:28:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 19:28:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 19:28:43,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 19:28:43,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:28:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:28:43,695 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 19:28:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:28:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 19:28:43,764 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 19:28:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 19:28:43,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:28:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:28:44,106 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 19:28:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:28:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 19:28:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 19:28:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 19:28:44,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:28:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:28:44,835 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 19:28:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:28:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2019-12-01 19:28:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2019-12-01 19:28:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 19:28:45,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:28:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:28:45,742 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 19:28:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:28:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2019-12-01 19:28:45,887 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2019-12-01 19:28:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 19:28:45,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:28:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:28:46,085 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 19:28:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:28:46,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2019-12-01 19:28:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2019-12-01 19:28:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 19:28:46,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:28:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:28:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 19:28:58,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:28:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2019-12-01 19:28:58,030 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2019-12-01 19:28:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 19:28:58,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:28:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:28:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 19:28:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:28:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2019-12-01 19:28:58,656 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2019-12-01 19:28:58,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 19:28:58,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:28:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:28:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 19:28:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:28:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2019-12-01 19:28:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2019-12-01 19:28:59,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 19:28:59,144 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2019-12-01 19:28:59,150 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 19:28:59,397 INFO L569 CodeCheckObserver]: Invariant with dag size 28 [2019-12-01 19:28:59,406 INFO L569 CodeCheckObserver]: Invariant with dag size 34 [2019-12-01 19:28:59,407 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:28:59,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:28:59 ImpRootNode [2019-12-01 19:28:59,407 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 19:28:59,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 19:28:59,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 19:28:59,408 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 19:28:59,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:28:43" (3/4) ... [2019-12-01 19:28:59,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 19:28:59,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-01 19:28:59,427 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 19:28:59,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-01 19:28:59,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 19:28:59,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e21618a3-3997-4fbd-8dad-f52fc6b4927c/bin/ukojak/witness.graphml [2019-12-01 19:28:59,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 19:28:59,508 INFO L168 Benchmark]: Toolchain (without parser) took 83382.54 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.5 MB). Free memory was 934.4 MB in the beginning and 1.2 GB in the end (delta: -284.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 11.5 GB. [2019-12-01 19:28:59,508 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:28:59,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -129.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-01 19:28:59,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.67 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 19:28:59,509 INFO L168 Benchmark]: Boogie Preprocessor took 49.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 19:28:59,509 INFO L168 Benchmark]: RCFGBuilder took 66940.13 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -92.5 MB). Peak memory consumption was 330.5 MB. Max. memory is 11.5 GB. [2019-12-01 19:28:59,509 INFO L168 Benchmark]: CodeCheck took 15887.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 149.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -103.1 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2019-12-01 19:28:59,510 INFO L168 Benchmark]: Witness Printer took 98.38 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-12-01 19:28:59,511 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: 15.6s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1516 SDtfs, 3198 SDslu, 2008 SDs, 0 SdLazy, 9124 SolverSat, 1174 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 33.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1039 GetRequests, 892 SyntacticMatches, 53 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4662 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 17236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 12/96 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: 181]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((a10 == 4 || (14 == a4 && a12 == 0)) && (!(a19 == 6) || !(a10 == 0))) || a10 == 1) || (a1 <= 23 && (a10 == 4 || (14 == a4 && a12 == 0)))) || 9 <= a19 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((!(a10 == 3) || !(a19 == 6)) || a1 + 13 <= 0) && 14 == a4) && (!(a19 == 6) || !(a10 == 0))) && a12 == 0) && (!(a10 == 2) || !(a19 == 6))) || a10 == 1) || a10 == 4) || 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -129.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.67 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 66940.13 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -92.5 MB). Peak memory consumption was 330.5 MB. Max. memory is 11.5 GB. * CodeCheck took 15887.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 149.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -103.1 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * Witness Printer took 98.38 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...