./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label47.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_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label47.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/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 510f6399de30aae42aa795fff1cb0eb2c142b650 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:50:05,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:50:05,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:50:05,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:50:05,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:50:05,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:50:05,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:50:05,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:50:05,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:50:05,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:50:05,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:50:05,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:50:05,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:50:05,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:50:05,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:50:05,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:50:05,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:50:05,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:50:05,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:50:05,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:50:05,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:50:05,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:50:05,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:50:05,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:50:05,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:50:05,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:50:05,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:50:05,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:50:05,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:50:05,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:50:05,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:50:05,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:50:05,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:50:05,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:50:05,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:50:05,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:50:05,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:50:05,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:50:05,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:50:05,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:50:05,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:50:05,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:50:05,339 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:50:05,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:50:05,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:50:05,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:50:05,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:50:05,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:50:05,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:50:05,346 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:50:05,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:50:05,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:50:05,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:50:05,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:50:05,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:50:05,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:50:05,349 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:50:05,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:50:05,349 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:50:05,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:50:05,350 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:50:05,350 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:50:05,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:50:05,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:50:05,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:50:05,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:50:05,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:50:05,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:50:05,352 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:50:05,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:50:05,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:50:05,354 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_7115dfc7-49c8-4f76-9b70-4124d9293195/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 510f6399de30aae42aa795fff1cb0eb2c142b650 [2020-11-29 19:50:05,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:50:05,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:50:05,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:50:05,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:50:05,739 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:50:05,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label47.c [2020-11-29 19:50:05,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/data/bb35fe31f/0e432619e19d42e1bd9136df34c5e33a/FLAG78febb8af [2020-11-29 19:50:06,555 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:50:06,556 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/sv-benchmarks/c/eca-rers2012/Problem14_label47.c [2020-11-29 19:50:06,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/data/bb35fe31f/0e432619e19d42e1bd9136df34c5e33a/FLAG78febb8af [2020-11-29 19:50:06,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/data/bb35fe31f/0e432619e19d42e1bd9136df34c5e33a [2020-11-29 19:50:06,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:50:06,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:50:06,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:50:06,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:50:06,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:50:06,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:50:06" (1/1) ... [2020-11-29 19:50:06,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c837641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:06, skipping insertion in model container [2020-11-29 19:50:06,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:50:06" (1/1) ... [2020-11-29 19:50:06,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:50:06,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:50:07,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:50:07,383 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:50:07,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:50:07,551 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:50:07,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07 WrapperNode [2020-11-29 19:50:07,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:50:07,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:50:07,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:50:07,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:50:07,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2020-11-29 19:50:07,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2020-11-29 19:50:07,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:50:07,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:50:07,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:50:07,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:50:07,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2020-11-29 19:50:07,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2020-11-29 19:50:07,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2020-11-29 19:50:07,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2020-11-29 19:50:07,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2020-11-29 19:50:07,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2020-11-29 19:50:07,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... [2020-11-29 19:50:07,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:50:07,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:50:07,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:50:07,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:50:07,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:50:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/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 [2020-11-29 19:50:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:50:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:50:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:50:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:51:27,032 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:51:27,032 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:51:27,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:51:27 BoogieIcfgContainer [2020-11-29 19:51:27,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:51:27,036 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:51:27,036 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:51:27,054 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:51:27,055 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:51:27" (1/1) ... [2020-11-29 19:51:27,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:27,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:51:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-29 19:51:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-29 19:51:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 19:51:27,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:51:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:51:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-11-29 19:51:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-11-29 19:51:27,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 19:51:27,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:51:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:28,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:51:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-11-29 19:51:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-11-29 19:51:28,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:51:28,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:51:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:31,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:51:31,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2020-11-29 19:51:31,535 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2020-11-29 19:51:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:51:31,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:51:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:51:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2020-11-29 19:51:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2020-11-29 19:51:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:51:32,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:51:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 19:51:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:51:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2020-11-29 19:51:36,649 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2020-11-29 19:51:36,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:51:36,650 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-11-29 19:51:36,657 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 19:51:37,024 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2020-11-29 19:51:37,025 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-11-29 19:51:37,035 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:51:37,035 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2020-11-29 19:51:37,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:51:37 ImpRootNode [2020-11-29 19:51:37,037 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:51:37,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:51:37,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:51:37,038 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:51:37,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:51:27" (3/4) ... [2020-11-29 19:51:37,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:51:37,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2020-11-29 19:51:37,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-29 19:51:37,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:51:37,094 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-29 19:51:37,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7115dfc7-49c8-4f76-9b70-4124d9293195/bin/ukojak/witness.graphml [2020-11-29 19:51:37,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:51:37,281 INFO L168 Benchmark]: Toolchain (without parser) took 90511.97 ms. Allocated memory was 86.0 MB in the beginning and 444.6 MB in the end (delta: 358.6 MB). Free memory was 53.7 MB in the beginning and 305.9 MB in the end (delta: -252.2 MB). Peak memory consumption was 105.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:37,281 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 45.6 MB in the beginning and 45.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:51:37,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.05 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 42.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:37,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.93 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 42.5 MB in the beginning and 83.4 MB in the end (delta: -40.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:37,282 INFO L168 Benchmark]: Boogie Preprocessor took 107.31 ms. Allocated memory is still 109.1 MB. Free memory was 83.4 MB in the beginning and 77.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:37,283 INFO L168 Benchmark]: RCFGBuilder took 79214.57 ms. Allocated memory was 109.1 MB in the beginning and 369.1 MB in the end (delta: 260.0 MB). Free memory was 77.1 MB in the beginning and 247.0 MB in the end (delta: -169.9 MB). Peak memory consumption was 263.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:37,283 INFO L168 Benchmark]: CodeCheck took 10001.90 ms. Allocated memory was 369.1 MB in the beginning and 444.6 MB in the end (delta: 75.5 MB). Free memory was 247.0 MB in the beginning and 326.9 MB in the end (delta: -79.9 MB). Peak memory consumption was 236.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:37,284 INFO L168 Benchmark]: Witness Printer took 241.32 ms. Allocated memory is still 444.6 MB. Free memory was 326.9 MB in the beginning and 305.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:37,286 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: 9.5s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 414 SDslu, 280 SDs, 0 SdLazy, 1144 SolverSat, 170 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 518 GetRequests, 454 SyntacticMatches, 8 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1456 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 6800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 20/44 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: 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: 30]: Loop Invariant Derived loop invariant: ((!(a24 == 1) || a12 + 43 <= 0) || !(a21 == 9)) || !(7 == a15) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a12 + 49 <= 0 || 12 <= a12) || !(a24 == 1)) || 10 <= a21) || !(7 == a15)) || a21 <= 8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 45.6 MB in the beginning and 45.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 779.05 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 42.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 157.93 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 42.5 MB in the beginning and 83.4 MB in the end (delta: -40.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.31 ms. Allocated memory is still 109.1 MB. Free memory was 83.4 MB in the beginning and 77.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 79214.57 ms. Allocated memory was 109.1 MB in the beginning and 369.1 MB in the end (delta: 260.0 MB). Free memory was 77.1 MB in the beginning and 247.0 MB in the end (delta: -169.9 MB). Peak memory consumption was 263.8 MB. Max. memory is 16.1 GB. * CodeCheck took 10001.90 ms. Allocated memory was 369.1 MB in the beginning and 444.6 MB in the end (delta: 75.5 MB). Free memory was 247.0 MB in the beginning and 326.9 MB in the end (delta: -79.9 MB). Peak memory consumption was 236.8 MB. Max. memory is 16.1 GB. * Witness Printer took 241.32 ms. Allocated memory is still 444.6 MB. Free memory was 326.9 MB in the beginning and 305.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...