./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.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_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/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 f099b3088cdddba520ecec4ee7d81a8a64d96ac3 .............................................................................................................................................................................................................................................................. 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 18:08:43,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:08:43,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:08:43,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:08:43,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:08:43,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:08:43,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:08:43,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:08:43,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:08:43,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:08:43,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:08:43,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:08:43,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:08:43,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:08:43,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:08:43,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:08:43,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:08:43,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:08:43,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:08:43,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:08:43,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:08:43,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:08:43,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:08:43,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:08:43,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:08:43,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:08:43,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:08:43,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:08:43,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:08:43,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:08:43,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:08:43,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:08:43,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:08:43,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:08:43,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:08:43,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:08:43,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:08:43,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:08:43,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:08:43,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:08:43,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:08:43,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:08:43,392 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:08:43,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:08:43,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:08:43,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:08:43,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:08:43,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:08:43,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:08:43,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:08:43,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:08:43,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:08:43,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:08:43,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:08:43,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:08:43,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:08:43,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:08:43,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:08:43,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:08:43,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:08:43,401 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:08:43,402 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:08:43,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:08:43,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:08:43,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:08:43,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:08:43,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:08:43,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:08:43,403 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:08:43,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:08:43,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:08:43,403 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_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f099b3088cdddba520ecec4ee7d81a8a64d96ac3 [2020-12-01 18:08:43,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:08:43,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:08:43,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:08:43,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:08:43,713 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:08:43,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2020-12-01 18:08:43,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/data/75ae05398/c5ea37337f9d47feaa3129752a62458e/FLAG9b5b2a83e [2020-12-01 18:08:44,489 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:08:44,493 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2020-12-01 18:08:44,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/data/75ae05398/c5ea37337f9d47feaa3129752a62458e/FLAG9b5b2a83e [2020-12-01 18:08:44,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/data/75ae05398/c5ea37337f9d47feaa3129752a62458e [2020-12-01 18:08:44,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:08:44,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:08:44,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:08:44,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:08:44,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:08:44,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:08:44" (1/1) ... [2020-12-01 18:08:44,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6761fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:44, skipping insertion in model container [2020-12-01 18:08:44,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:08:44" (1/1) ... [2020-12-01 18:08:44,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:08:44,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:08:45,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:08:45,181 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:08:45,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:08:45,360 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:08:45,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45 WrapperNode [2020-12-01 18:08:45,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:08:45,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:08:45,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:08:45,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:08:45,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... [2020-12-01 18:08:45,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... [2020-12-01 18:08:45,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:08:45,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:08:45,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:08:45,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:08:45,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... [2020-12-01 18:08:45,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... [2020-12-01 18:08:45,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... [2020-12-01 18:08:45,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... [2020-12-01 18:08:45,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... [2020-12-01 18:08:45,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... [2020-12-01 18:08:45,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... [2020-12-01 18:08:45,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:08:45,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:08:45,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:08:45,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:08:45,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/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 18:08:45,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:08:45,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:08:45,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:08:45,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:08:54,641 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:08:54,641 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:08:54,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:54 BoogieIcfgContainer [2020-12-01 18:08:54,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:08:54,644 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:08:54,645 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:08:54,655 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:08:54,655 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:54" (1/1) ... [2020-12-01 18:08:54,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:08:54,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:54,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:08:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:08:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:08:54,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:55,076 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 18:08:55,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:08:55,158 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:08:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:08:55,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:55,644 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 18:08:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2020-12-01 18:08:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2020-12-01 18:08:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:08:56,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:56,985 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-01 18:08:57,156 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 18:08:58,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:58,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2020-12-01 18:08:58,042 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2020-12-01 18:08:58,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:08:58,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:58,688 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 18:08:59,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2020-12-01 18:08:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2020-12-01 18:08:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:08:59,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:09:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:09:01,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:09:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2020-12-01 18:09:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2020-12-01 18:09:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:09:01,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:09:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:09:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 18:09:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:09:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2020-12-01 18:09:02,764 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2020-12-01 18:09:02,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:09:02,765 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2020-12-01 18:09:02,775 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:09:02,927 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 24 [2020-12-01 18:09:03,239 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 24 [2020-12-01 18:09:03,241 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2020-12-01 18:09:03,264 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 18:09:03,267 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:09:03,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:09:03 ImpRootNode [2020-12-01 18:09:03,269 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:09:03,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:09:03,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:09:03,272 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:09:03,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:54" (3/4) ... [2020-12-01 18:09:03,278 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:09:03,319 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2020-12-01 18:09:03,321 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 18:09:03,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 18:09:03,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 18:09:03,508 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fd4182e6-2ea9-4e19-8b1d-eae00c22159f/bin/ukojak/witness.graphml [2020-12-01 18:09:03,509 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:09:03,511 INFO L168 Benchmark]: Toolchain (without parser) took 18775.83 ms. Allocated memory was 96.5 MB in the beginning and 935.3 MB in the end (delta: 838.9 MB). Free memory was 58.5 MB in the beginning and 389.6 MB in the end (delta: -331.1 MB). Peak memory consumption was 505.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:03,511 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 76.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:09:03,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.83 ms. Allocated memory is still 96.5 MB. Free memory was 58.3 MB in the beginning and 56.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:03,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.04 ms. Allocated memory is still 96.5 MB. Free memory was 56.2 MB in the beginning and 48.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:03,513 INFO L168 Benchmark]: Boogie Preprocessor took 126.86 ms. Allocated memory is still 96.5 MB. Free memory was 48.2 MB in the beginning and 42.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:03,513 INFO L168 Benchmark]: RCFGBuilder took 9033.66 ms. Allocated memory was 96.5 MB in the beginning and 482.3 MB in the end (delta: 385.9 MB). Free memory was 42.9 MB in the beginning and 225.9 MB in the end (delta: -183.0 MB). Peak memory consumption was 205.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:03,514 INFO L168 Benchmark]: CodeCheck took 8624.26 ms. Allocated memory was 482.3 MB in the beginning and 935.3 MB in the end (delta: 453.0 MB). Free memory was 224.9 MB in the beginning and 405.3 MB in the end (delta: -180.4 MB). Peak memory consumption was 275.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:03,514 INFO L168 Benchmark]: Witness Printer took 237.75 ms. Allocated memory is still 935.3 MB. Free memory was 405.3 MB in the beginning and 389.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:03,517 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: 7.9s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 676 SDslu, 512 SDs, 0 SdLazy, 1996 SolverSat, 344 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 745 GetRequests, 632 SyntacticMatches, 39 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2392 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 14952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 50/80 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 && a12 == 0) && (8 <= a19 || a19 <= 6)) || (((0 <= a1 + 12 || !(a10 == 2)) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && (a19 <= 6 || 7 < a19)) || ((14 == a4 && a12 == 0) && !(a10 == 2)) - 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 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 76.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 625.83 ms. Allocated memory is still 96.5 MB. Free memory was 58.3 MB in the beginning and 56.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.04 ms. Allocated memory is still 96.5 MB. Free memory was 56.2 MB in the beginning and 48.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 126.86 ms. Allocated memory is still 96.5 MB. Free memory was 48.2 MB in the beginning and 42.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9033.66 ms. Allocated memory was 96.5 MB in the beginning and 482.3 MB in the end (delta: 385.9 MB). Free memory was 42.9 MB in the beginning and 225.9 MB in the end (delta: -183.0 MB). Peak memory consumption was 205.0 MB. Max. memory is 16.1 GB. * CodeCheck took 8624.26 ms. Allocated memory was 482.3 MB in the beginning and 935.3 MB in the end (delta: 453.0 MB). Free memory was 224.9 MB in the beginning and 405.3 MB in the end (delta: -180.4 MB). Peak memory consumption was 275.7 MB. Max. memory is 16.1 GB. * Witness Printer took 237.75 ms. Allocated memory is still 935.3 MB. Free memory was 405.3 MB in the beginning and 389.6 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...