./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label00.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afdfdfa0b714beb09f09171cff02bdf038a0089f ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:11:26,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:11:26,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:11:26,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:11:26,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:11:26,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:11:26,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:11:26,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:11:26,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:11:26,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:11:26,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:11:26,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:11:26,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:11:26,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:11:26,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:11:26,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:11:26,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:11:26,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:11:26,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:11:26,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:11:26,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:11:26,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:11:26,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:11:26,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:11:26,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:11:26,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:11:26,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:11:26,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:11:26,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:11:26,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:11:26,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:26,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:26,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:26,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:26,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:26,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:26,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:26,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:26,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:26,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:26,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:26,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:11:26,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:26,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:26,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:11:26,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:11:26,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:26,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:26,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:26,714 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:11:26,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:11:26,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:11:26,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:26,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:11:26,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:11:26,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:11:26,717 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:11:26,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:26,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:26,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:11:26,718 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:11:26,718 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:11:26,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:26,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:11:26,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:11:26,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:26,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:11:26,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:11:26,720 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:11:26,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:11:26,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:11:26,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afdfdfa0b714beb09f09171cff02bdf038a0089f [2020-11-30 00:11:27,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:27,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:27,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:27,143 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:27,146 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:27,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label00.c [2020-11-30 00:11:27,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/data/b57b044ad/f12645c0f2174b2194eab2b4ce228d22/FLAGce8c455d3 [2020-11-30 00:11:27,959 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:27,961 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/sv-benchmarks/c/eca-rers2012/Problem10_label00.c [2020-11-30 00:11:27,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/data/b57b044ad/f12645c0f2174b2194eab2b4ce228d22/FLAGce8c455d3 [2020-11-30 00:11:28,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/data/b57b044ad/f12645c0f2174b2194eab2b4ce228d22 [2020-11-30 00:11:28,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:28,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:28,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:28,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:28,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:28,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:28" (1/1) ... [2020-11-30 00:11:28,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ed8a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:28, skipping insertion in model container [2020-11-30 00:11:28,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:28" (1/1) ... [2020-11-30 00:11:28,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:28,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:28,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:28,857 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:11:28,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:29,013 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:11:29,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29 WrapperNode [2020-11-30 00:11:29,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:29,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:29,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:11:29,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:11:29,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... [2020-11-30 00:11:29,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... [2020-11-30 00:11:29,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:29,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:11:29,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:11:29,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:11:29,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... [2020-11-30 00:11:29,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... [2020-11-30 00:11:29,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... [2020-11-30 00:11:29,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... [2020-11-30 00:11:29,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... [2020-11-30 00:11:29,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... [2020-11-30 00:11:29,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... [2020-11-30 00:11:29,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:11:29,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:11:29,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:11:29,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:11:29,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/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 [2020-11-30 00:11:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:11:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:11:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:11:29,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:12:04,476 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:12:04,477 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:12:04,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:04 BoogieIcfgContainer [2020-11-30 00:12:04,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:12:04,480 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:12:04,481 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:12:04,494 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:12:04,495 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:04" (1/1) ... [2020-11-30 00:12:04,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:12:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-30 00:12:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-30 00:12:04,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 00:12:04,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:12:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:12:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-11-30 00:12:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-11-30 00:12:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:12:04,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:12:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:12:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-11-30 00:12:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-11-30 00:12:05,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:12:05,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:12:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:07,044 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2020-11-30 00:12:07,274 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-11-30 00:12:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:07,627 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-11-30 00:12:07,852 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-11-30 00:12:08,217 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-11-30 00:12:08,856 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-11-30 00:12:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:12:09,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2020-11-30 00:12:09,560 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2020-11-30 00:12:09,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:12:09,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:12:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:10,415 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 24 [2020-11-30 00:12:21,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:12:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2020-11-30 00:12:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2020-11-30 00:12:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:12:21,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:12:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:12:23,764 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2020-11-30 00:12:24,046 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-11-30 00:12:24,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:12:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2020-11-30 00:12:24,754 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2020-11-30 00:12:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:12:24,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:12:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:12:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:12:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2020-11-30 00:12:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2020-11-30 00:12:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:12:27,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:12:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:12:28,583 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-11-30 00:12:29,115 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-11-30 00:12:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:12:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2020-11-30 00:12:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2020-11-30 00:12:29,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:12:29,316 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2020-11-30 00:12:29,325 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:12:29,579 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-11-30 00:12:29,729 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2020-11-30 00:12:30,011 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-11-30 00:12:30,121 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 22 [2020-11-30 00:12:30,126 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2020-11-30 00:12:30,140 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-11-30 00:12:30,141 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:12:30,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:12:30 ImpRootNode [2020-11-30 00:12:30,142 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:12:30,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:12:30,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:12:30,143 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:12:30,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:04" (3/4) ... [2020-11-30 00:12:30,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:12:30,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2020-11-30 00:12:30,204 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-30 00:12:30,206 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-30 00:12:30,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:12:30,371 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2d528f3b-c28c-4d12-bdc7-dbc725d2ba3a/bin/ukojak/witness.graphml [2020-11-30 00:12:30,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:12:30,373 INFO L168 Benchmark]: Toolchain (without parser) took 62211.27 ms. Allocated memory was 115.3 MB in the beginning and 360.7 MB in the end (delta: 245.4 MB). Free memory was 81.7 MB in the beginning and 91.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 234.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:30,374 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:12:30,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.28 ms. Allocated memory is still 115.3 MB. Free memory was 81.5 MB in the beginning and 75.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:30,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.91 ms. Allocated memory is still 115.3 MB. Free memory was 75.0 MB in the beginning and 67.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:30,376 INFO L168 Benchmark]: Boogie Preprocessor took 108.54 ms. Allocated memory is still 115.3 MB. Free memory was 67.3 MB in the beginning and 61.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:30,377 INFO L168 Benchmark]: RCFGBuilder took 35235.60 ms. Allocated memory was 115.3 MB in the beginning and 299.9 MB in the end (delta: 184.5 MB). Free memory was 61.9 MB in the beginning and 226.3 MB in the end (delta: -164.5 MB). Peak memory consumption was 173.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:30,378 INFO L168 Benchmark]: CodeCheck took 25661.87 ms. Allocated memory was 299.9 MB in the beginning and 360.7 MB in the end (delta: 60.8 MB). Free memory was 225.3 MB in the beginning and 107.0 MB in the end (delta: 118.3 MB). Peak memory consumption was 180.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:30,379 INFO L168 Benchmark]: Witness Printer took 229.11 ms. Allocated memory is still 360.7 MB. Free memory was 107.0 MB in the beginning and 91.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:30,383 INFO L339 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.7s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 764 SDtfs, 1446 SDslu, 1016 SDs, 0 SdLazy, 4048 SolverSat, 538 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 44.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 860 GetRequests, 739 SyntacticMatches, 53 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2367 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 18848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 54/86 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: 12]: 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: 592]: Loop Invariant Derived loop invariant: (((14 == a4 && 7 <= a19) && a12 == 0) || (((a1 + 13 <= 0 || 38 < a1) && 14 == a4) && a12 == 0)) || (((a19 <= 5 || !(a10 == 0)) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (14 == a4 && a12 == 0) && ((((a1 + 13 <= 0 || 6 < a19) || a19 <= 5) || !(a10 == 0)) || 38 < a1) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 848.28 ms. Allocated memory is still 115.3 MB. Free memory was 81.5 MB in the beginning and 75.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.91 ms. Allocated memory is still 115.3 MB. Free memory was 75.0 MB in the beginning and 67.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.54 ms. Allocated memory is still 115.3 MB. Free memory was 67.3 MB in the beginning and 61.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 35235.60 ms. Allocated memory was 115.3 MB in the beginning and 299.9 MB in the end (delta: 184.5 MB). Free memory was 61.9 MB in the beginning and 226.3 MB in the end (delta: -164.5 MB). Peak memory consumption was 173.9 MB. Max. memory is 16.1 GB. * CodeCheck took 25661.87 ms. Allocated memory was 299.9 MB in the beginning and 360.7 MB in the end (delta: 60.8 MB). Free memory was 225.3 MB in the beginning and 107.0 MB in the end (delta: 118.3 MB). Peak memory consumption was 180.1 MB. Max. memory is 16.1 GB. * Witness Printer took 229.11 ms. Allocated memory is still 360.7 MB. Free memory was 107.0 MB in the beginning and 91.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...