./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/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 ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 ................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:45:40,822 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:45:40,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:45:40,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:45:40,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:45:40,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:45:40,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:45:40,834 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:45:40,835 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:45:40,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:45:40,836 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:45:40,836 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:45:40,837 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:45:40,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:45:40,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:45:40,839 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:45:40,839 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:45:40,840 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:45:40,842 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:45:40,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:45:40,843 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:45:40,844 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:45:40,846 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:45:40,846 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:45:40,846 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:45:40,847 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:45:40,847 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:45:40,848 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:45:40,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:45:40,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:45:40,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:45:40,850 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:45:40,850 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:45:40,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:45:40,851 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:45:40,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:45:40,851 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 23:45:40,858 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:45:40,859 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:45:40,859 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:45:40,859 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:45:40,860 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:45:40,860 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:45:40,860 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:45:40,860 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:45:40,860 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:45:40,861 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:45:40,861 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:45:40,861 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:45:40,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:45:40,861 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:45:40,861 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:45:40,861 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:45:40,861 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:45:40,862 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:45:40,862 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:45:40,862 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:45:40,862 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:45:40,862 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:45:40,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:45:40,862 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:45:40,863 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:45:40,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:45:40,863 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:45:40,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:45:40,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:45:40,863 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/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 -> ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 [2018-11-22 23:45:40,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:45:40,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:45:40,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:45:40,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:45:40,895 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:45:40,896 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-11-22 23:45:40,937 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/data/f6506eb5d/7ddb8890a26a423b9bb91ea570521740/FLAGbca8ca68f [2018-11-22 23:45:41,298 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:45:41,298 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/sv-benchmarks/c/eca-rers2012/Problem14_label16_true-unreach-call_false-termination.c [2018-11-22 23:45:41,309 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/data/f6506eb5d/7ddb8890a26a423b9bb91ea570521740/FLAGbca8ca68f [2018-11-22 23:45:41,321 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/data/f6506eb5d/7ddb8890a26a423b9bb91ea570521740 [2018-11-22 23:45:41,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:45:41,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:45:41,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:45:41,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:45:41,327 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:45:41,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41, skipping insertion in model container [2018-11-22 23:45:41,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:45:41,374 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:45:41,637 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:45:41,640 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:45:41,726 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:45:41,736 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:45:41,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41 WrapperNode [2018-11-22 23:45:41,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:45:41,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:45:41,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:45:41,737 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:45:41,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:45:41,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:45:41,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:45:41,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:45:41,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... [2018-11-22 23:45:41,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:45:41,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:45:41,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:45:41,926 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:45:41,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/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 [2018-11-22 23:45:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:45:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:45:41,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:50:06,600 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:50:06,600 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 23:50:06,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:50:06 BoogieIcfgContainer [2018-11-22 23:50:06,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:50:06,601 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:50:06,601 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:50:06,610 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:50:06,610 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:50:06" (1/1) ... [2018-11-22 23:50:06,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:50:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:50:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-22 23:50:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-22 23:50:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 23:50:06,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:50:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:50:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:50:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:50:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-22 23:50:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-22 23:50:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-22 23:50:06,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:50:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:50:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:50:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:50:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-11-22 23:50:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-11-22 23:50:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:50:07,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:50:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:50:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:50:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:50:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2018-11-22 23:50:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2018-11-22 23:50:28,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:50:28,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:50:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:50:29,462 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:50:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:50:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2018-11-22 23:50:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2018-11-22 23:50:29,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:50:29,645 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-22 23:50:29,655 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 23:50:29,838 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-22 23:50:29,846 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-22 23:50:29,847 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:50:29,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:50:29 ImpRootNode [2018-11-22 23:50:29,847 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:50:29,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:50:29,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:50:29,848 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:50:29,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:50:06" (3/4) ... [2018-11-22 23:50:29,852 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:50:29,871 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-11-22 23:50:29,872 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-22 23:50:29,874 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:50:29,875 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:50:30,096 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4f33169-38d3-4200-bd4c-e4f9862be94c/bin-2019/ukojak/witness.graphml [2018-11-22 23:50:30,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:50:30,097 INFO L168 Benchmark]: Toolchain (without parser) took 288773.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.0 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 323.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:30,098 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:50:30,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.71 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 910.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:30,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 910.9 MB in the beginning and 1.1 GB in the end (delta: -231.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:30,099 INFO L168 Benchmark]: Boogie Preprocessor took 49.30 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:30,099 INFO L168 Benchmark]: RCFGBuilder took 264674.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 848.2 MB in the end (delta: 287.4 MB). Peak memory consumption was 379.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:30,100 INFO L168 Benchmark]: CodeCheck took 23246.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Free memory was 848.2 MB in the beginning and 832.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:30,100 INFO L168 Benchmark]: Witness Printer took 248.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 53.5 MB). Free memory was 832.3 MB in the beginning and 1.1 GB in the end (delta: -298.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:30,102 INFO L336 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, 245 locations, 1 error locations. SAFE Result, 23.0s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 198 SDslu, 128 SDs, 0 SdLazy, 548 SolverSat, 94 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 41.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 334 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1253 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 4724 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 142]: 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: 880]: Loop Invariant Derived loop invariant: (a12 <= 80 || !(a21 == 8)) || !(a15 == 5) || !(a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 <= 80 || !(a21 == 8)) || !(a15 == 5)) || !(a24 == 1) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.71 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 910.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 139.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 910.9 MB in the beginning and 1.1 GB in the end (delta: -231.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.30 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 264674.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 848.2 MB in the end (delta: 287.4 MB). Peak memory consumption was 379.5 MB. Max. memory is 11.5 GB. * CodeCheck took 23246.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Free memory was 848.2 MB in the beginning and 832.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Witness Printer took 248.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 53.5 MB). Free memory was 832.3 MB in the beginning and 1.1 GB in the end (delta: -298.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...