./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/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 9d045864a68e9c51dfb31756cfb4ec52c21a87c4 ......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:08:47,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:08:47,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:08:47,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:08:47,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:08:47,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:08:47,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:08:47,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:08:47,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:08:47,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:08:47,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:08:47,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:08:47,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:08:47,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:08:47,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:08:47,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:08:47,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:08:47,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:08:47,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:08:47,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:08:47,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:08:47,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:08:47,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:08:47,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:08:47,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:08:47,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:08:47,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:08:47,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:08:47,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:08:47,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:08:47,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:08:47,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:08:47,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:08:47,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:08:47,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:08:47,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:08:47,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:08:47,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:08:47,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:08:47,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:08:47,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:08:47,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:08:47,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:08:47,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:08:47,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:08:47,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:08:47,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:08:47,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:08:47,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:08:47,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:08:47,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:08:47,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:08:47,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:08:47,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:08:47,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:08:47,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:08:47,410 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:08:47,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:08:47,411 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:08:47,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:08:47,411 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:08:47,412 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:08:47,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:08:47,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:08:47,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:08:47,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:08:47,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:08:47,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:08:47,414 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:08:47,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:08:47,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:08:47,416 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_0036cb2a-f8f7-4f05-8deb-77ea207717a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d045864a68e9c51dfb31756cfb4ec52c21a87c4 [2020-12-01 17:08:47,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:08:47,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:08:47,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:08:47,897 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:08:47,898 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:08:47,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2020-12-01 17:08:48,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/data/3c93b7da8/d21d3ac7803c4304b350502fb0cd8d28/FLAG096ef392c [2020-12-01 17:08:49,031 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:08:49,032 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2020-12-01 17:08:49,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/data/3c93b7da8/d21d3ac7803c4304b350502fb0cd8d28/FLAG096ef392c [2020-12-01 17:08:49,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/data/3c93b7da8/d21d3ac7803c4304b350502fb0cd8d28 [2020-12-01 17:08:49,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:08:49,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:08:49,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:08:49,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:08:49,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:08:49,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:08:49" (1/1) ... [2020-12-01 17:08:49,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebb322c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:49, skipping insertion in model container [2020-12-01 17:08:49,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:08:49" (1/1) ... [2020-12-01 17:08:49,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:08:49,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:08:50,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:08:50,829 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:08:51,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:08:51,323 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:08:51,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51 WrapperNode [2020-12-01 17:08:51,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:08:51,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:08:51,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:08:51,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:08:51,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... [2020-12-01 17:08:51,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... [2020-12-01 17:08:51,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:08:51,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:08:51,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:08:51,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:08:51,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... [2020-12-01 17:08:51,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... [2020-12-01 17:08:51,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... [2020-12-01 17:08:51,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... [2020-12-01 17:08:51,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... [2020-12-01 17:08:51,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... [2020-12-01 17:08:52,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... [2020-12-01 17:08:52,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:08:52,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:08:52,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:08:52,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:08:52,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/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 [2020-12-01 17:08:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:08:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:08:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:08:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:11:54,283 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:11:54,284 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 17:11:54,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:11:54 BoogieIcfgContainer [2020-12-01 17:11:54,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:11:54,289 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:11:54,289 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:11:54,300 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:11:54,300 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:11:54" (1/1) ... [2020-12-01 17:11:54,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:11:54,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:11:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:11:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:11:54,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:11:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:11:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:11:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:11:55,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:12:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2020-12-01 17:12:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2020-12-01 17:12:04,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:12:04,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:13,860 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2020-12-01 17:12:14,280 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2020-12-01 17:12:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:12:14,564 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2020-12-01 17:12:15,176 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2020-12-01 17:12:16,126 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-12-01 17:12:16,318 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-01 17:12:16,633 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2020-12-01 17:12:16,804 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-01 17:12:17,170 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-01 17:12:17,950 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2020-12-01 17:12:18,308 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-01 17:12:18,491 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-01 17:12:19,560 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-01 17:12:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2020-12-01 17:12:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2020-12-01 17:12:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:12:30,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:12:37,517 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2020-12-01 17:12:38,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2020-12-01 17:12:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2020-12-01 17:12:38,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:12:38,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:13:05,386 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 17:13:05,684 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 17:13:17,165 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-12-01 17:13:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2020-12-01 17:13:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-12-01 17:13:28,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:13:28,001 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 17:13:28,010 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:13:28,920 WARN L197 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 49 [2020-12-01 17:13:29,390 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-12-01 17:13:30,032 WARN L197 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2020-12-01 17:13:30,812 WARN L197 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 49 [2020-12-01 17:13:30,814 INFO L569 CodeCheckObserver]: Invariant with dag size 49 [2020-12-01 17:13:30,831 INFO L569 CodeCheckObserver]: Invariant with dag size 52 [2020-12-01 17:13:30,835 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:30,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:13:30 ImpRootNode [2020-12-01 17:13:30,836 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:13:30,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:13:30,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:13:30,838 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:13:30,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:11:54" (3/4) ... [2020-12-01 17:13:30,845 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:13:30,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 395 nodes and edges [2020-12-01 17:13:30,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-01 17:13:30,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 17:13:30,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:13:31,357 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0036cb2a-f8f7-4f05-8deb-77ea207717a1/bin/ukojak/witness.graphml [2020-12-01 17:13:31,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:13:31,359 INFO L168 Benchmark]: Toolchain (without parser) took 281769.54 ms. Allocated memory was 100.7 MB in the beginning and 5.3 GB in the end (delta: 5.2 GB). Free memory was 68.4 MB in the beginning and 3.8 GB in the end (delta: -3.7 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2020-12-01 17:13:31,359 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 100.7 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:13:31,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1734.49 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 68.2 MB in the beginning and 65.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:31,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 327.00 ms. Allocated memory is still 127.9 MB. Free memory was 65.0 MB in the beginning and 58.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:31,361 INFO L168 Benchmark]: Boogie Preprocessor took 459.13 ms. Allocated memory is still 127.9 MB. Free memory was 58.5 MB in the beginning and 61.1 MB in the end (delta: -2.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:31,361 INFO L168 Benchmark]: RCFGBuilder took 182172.48 ms. Allocated memory was 127.9 MB in the beginning and 4.9 GB in the end (delta: 4.8 GB). Free memory was 61.1 MB in the beginning and 4.0 GB in the end (delta: -4.0 GB). Peak memory consumption was 919.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:31,362 INFO L168 Benchmark]: CodeCheck took 96547.94 ms. Allocated memory was 4.9 GB in the beginning and 5.3 GB in the end (delta: 448.8 MB). Free memory was 4.0 GB in the beginning and 3.8 GB in the end (delta: 246.9 MB). Peak memory consumption was 695.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:31,363 INFO L168 Benchmark]: Witness Printer took 520.52 ms. Allocated memory is still 5.3 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 43.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:31,366 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: 93.6s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 348 SDslu, 280 SDs, 0 SdLazy, 986 SolverSat, 194 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 69.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 491 GetRequests, 433 SyntacticMatches, 10 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 21.4s SatisfiabilityAnalysisTime, 28.6s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 12880 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 13]: 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: 1776]: Loop Invariant Derived loop invariant: ((((a4 + 89 <= 0 && a29 + 127 <= 0) || ((43 < a29 || 0 < a4 + 86) && !(((a0 + 147 <= 0 || 0 <= a0 + 97) || !(a2 == 1)) || 0 <= a4 + 84))) || (!(0 <= a0 + 44) && (((a0 + 147 <= 0 || 0 <= a0 + 97) || !(a2 == 1)) || 0 <= a4 + 84))) || (a29 + 16 <= 0 && a0 + 44 < 0)) || (!(((a2 == 1 && a0 + 44 <= 0) && a29 + 127 <= 0) && 0 <= a29 + 127) && 0 <= a0 + 44) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (!((((a2 == 1 && a0 + 44 <= 0) && 0 <= a0 + 44) && a29 + 127 <= 0) && 0 <= a29 + 127) && (((((a0 + 147 <= 0 || 43 < a29) || a29 + 16 <= 0) || 0 < a4 + 86) || !(a2 == 1)) || 0 < a0 + 98)) || ((a4 + 89 <= 0 && (((((2 == input || 3 == input) || input == 4) || 6 == input) || input == 1) || 5 == input)) && a29 + 127 <= 0) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 100.7 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1734.49 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 68.2 MB in the beginning and 65.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 327.00 ms. Allocated memory is still 127.9 MB. Free memory was 65.0 MB in the beginning and 58.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 459.13 ms. Allocated memory is still 127.9 MB. Free memory was 58.5 MB in the beginning and 61.1 MB in the end (delta: -2.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 182172.48 ms. Allocated memory was 127.9 MB in the beginning and 4.9 GB in the end (delta: 4.8 GB). Free memory was 61.1 MB in the beginning and 4.0 GB in the end (delta: -4.0 GB). Peak memory consumption was 919.4 MB. Max. memory is 16.1 GB. * CodeCheck took 96547.94 ms. Allocated memory was 4.9 GB in the beginning and 5.3 GB in the end (delta: 448.8 MB). Free memory was 4.0 GB in the beginning and 3.8 GB in the end (delta: 246.9 MB). Peak memory consumption was 695.6 MB. Max. memory is 16.1 GB. * Witness Printer took 520.52 ms. Allocated memory is still 5.3 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 43.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...