./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7c43460f02bb9f2348720ab45b0132bbccce529 ......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:22:23,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:22:23,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:22:23,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:22:23,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:22:23,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:22:23,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:22:23,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:22:23,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:22:23,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:22:23,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:22:23,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:22:23,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:22:23,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:22:23,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:22:23,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:22:23,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:22:23,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:22:23,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:22:23,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:22:23,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:22:23,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:22:23,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:22:23,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:22:23,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:22:23,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:22:23,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:22:23,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:22:23,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:22:23,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:22:23,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:22:23,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:22:23,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:22:23,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:22:23,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:22:23,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:22:23,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:22:23,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:22:23,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:22:23,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:22:23,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:22:23,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:22:23,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:22:23,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:22:23,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:22:23,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:22:23,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:22:23,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:22:23,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:22:23,352 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:22:23,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:22:23,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:22:23,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:22:23,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:22:23,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:22:23,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:22:23,353 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:22:23,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:22:23,353 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:22:23,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:22:23,353 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:22:23,354 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:22:23,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:22:23,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:22:23,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:22:23,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:22:23,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:22:23,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:22:23,355 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:22:23,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:22:23,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:22:23,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c43460f02bb9f2348720ab45b0132bbccce529 [2019-11-20 10:22:23,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:22:23,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:22:23,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:22:23,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:22:23,555 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:22:23,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label32.c [2019-11-20 10:22:23,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/data/7fec7fc77/a9cc20f5096742e08fbef6e6d8520f61/FLAG2e226ea7d [2019-11-20 10:22:24,099 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:22:24,100 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/sv-benchmarks/c/eca-rers2012/Problem10_label32.c [2019-11-20 10:22:24,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/data/7fec7fc77/a9cc20f5096742e08fbef6e6d8520f61/FLAG2e226ea7d [2019-11-20 10:22:24,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/data/7fec7fc77/a9cc20f5096742e08fbef6e6d8520f61 [2019-11-20 10:22:24,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:22:24,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:22:24,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:22:24,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:22:24,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:22:24,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:22:24" (1/1) ... [2019-11-20 10:22:24,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf41693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:24, skipping insertion in model container [2019-11-20 10:22:24,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:22:24" (1/1) ... [2019-11-20 10:22:24,406 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:22:24,451 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:22:24,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:22:24,883 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:22:24,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:22:25,010 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:22:25,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25 WrapperNode [2019-11-20 10:22:25,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:22:25,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:22:25,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:22:25,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:22:25,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... [2019-11-20 10:22:25,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... [2019-11-20 10:22:25,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:22:25,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:22:25,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:22:25,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:22:25,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... [2019-11-20 10:22:25,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... [2019-11-20 10:22:25,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... [2019-11-20 10:22:25,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... [2019-11-20 10:22:25,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... [2019-11-20 10:22:25,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... [2019-11-20 10:22:25,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... [2019-11-20 10:22:25,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:22:25,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:22:25,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:22:25,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:22:25,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:22:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:22:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:23:13,353 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:23:13,353 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:23:13,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:23:13 BoogieIcfgContainer [2019-11-20 10:23:13,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:23:13,355 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:23:13,355 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:23:13,364 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:23:13,364 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:23:13" (1/1) ... [2019-11-20 10:23:13,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:23:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-20 10:23:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-20 10:23:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 10:23:13,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:23:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-20 10:23:13,869 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 10:23:13,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:23:13,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:23:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2019-11-20 10:23:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2019-11-20 10:23:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:23:14,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:23:16,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2019-11-20 10:23:16,895 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2019-11-20 10:23:16,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:23:16,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:23:17,545 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2019-11-20 10:23:17,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:17,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2019-11-20 10:23:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2019-11-20 10:23:17,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:23:17,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:23:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2019-11-20 10:23:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2019-11-20 10:23:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:23:18,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:20,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:20,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2019-11-20 10:23:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2019-11-20 10:23:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:23:20,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:20,632 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:21,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2019-11-20 10:23:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2019-11-20 10:23:21,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:23:21,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:23:21,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2019-11-20 10:23:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2019-11-20 10:23:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:23:21,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:23:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:23:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 10:23:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:23:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 45 transitions. [2019-11-20 10:23:23,012 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 45 transitions. [2019-11-20 10:23:23,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:23:23,013 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2019-11-20 10:23:23,021 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 10:23:23,324 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-11-20 10:23:23,333 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-11-20 10:23:23,334 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:23:23,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:23:23 ImpRootNode [2019-11-20 10:23:23,335 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:23:23,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:23:23,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:23:23,336 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:23:23,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:23:13" (3/4) ... [2019-11-20 10:23:23,339 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:23:23,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-11-20 10:23:23,366 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-20 10:23:23,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:23:23,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:23:23,536 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2aaf02cf-e04e-4c52-83fb-357fb98cf221/bin/ukojak/witness.graphml [2019-11-20 10:23:23,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:23:23,538 INFO L168 Benchmark]: Toolchain (without parser) took 59149.82 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 438.8 MB). Free memory was 946.1 MB in the beginning and 909.8 MB in the end (delta: 36.3 MB). Peak memory consumption was 475.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:23,538 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:23:23,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:23,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:23,539 INFO L168 Benchmark]: Boogie Preprocessor took 113.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:23:23,540 INFO L168 Benchmark]: RCFGBuilder took 48128.78 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 812.5 MB in the end (delta: 286.7 MB). Peak memory consumption was 471.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:23,540 INFO L168 Benchmark]: CodeCheck took 9980.11 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 116.4 MB). Free memory was 812.5 MB in the beginning and 937.2 MB in the end (delta: -124.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:23:23,541 INFO L168 Benchmark]: Witness Printer took 201.18 ms. Allocated memory is still 1.5 GB. Free memory was 937.2 MB in the beginning and 909.8 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:23:23,543 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 9.6s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3284 SDtfs, 6440 SDslu, 4520 SDs, 0 SdLazy, 19558 SolverSat, 2790 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1228 GetRequests, 1071 SyntacticMatches, 63 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4825 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 24528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 60/132 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: 79]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (14 == a4 && a12 == 0) && (!(a10 == 3) || !(a19 == 7)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (14 == a4 && (((!(a10 == 3) || 38 < a1) || !(a19 == 7)) || a1 + 13 <= 0)) && a12 == 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 621.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 48128.78 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 812.5 MB in the end (delta: 286.7 MB). Peak memory consumption was 471.8 MB. Max. memory is 11.5 GB. * CodeCheck took 9980.11 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 116.4 MB). Free memory was 812.5 MB in the beginning and 937.2 MB in the end (delta: -124.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 201.18 ms. Allocated memory is still 1.5 GB. Free memory was 937.2 MB in the beginning and 909.8 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...