./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/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 cbdb653cfcf101dac558ea109da390cc04b5e9b8 ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:54:23,129 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:54:23,130 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:54:23,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:54:23,160 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:54:23,161 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:54:23,163 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:54:23,174 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:54:23,176 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:54:23,178 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:54:23,179 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:54:23,179 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:54:23,180 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:54:23,181 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:54:23,181 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:54:23,182 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:54:23,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:54:23,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:54:23,185 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:54:23,190 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:54:23,198 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:54:23,199 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:54:23,200 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:54:23,200 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:54:23,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:54:23,201 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:54:23,202 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:54:23,203 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:54:23,203 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:54:23,204 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:54:23,204 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:54:23,213 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:54:23,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:54:23,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:54:23,214 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:54:23,215 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:54:23,215 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:54:23,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:54:23,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:54:23,226 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:54:23,227 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:54:23,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:54:23,227 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:54:23,227 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:54:23,227 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:54:23,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:54:23,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:54:23,228 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:54:23,228 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:54:23,228 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:54:23,228 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:54:23,230 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:54:23,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:54:23,230 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:54:23,231 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:54:23,231 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:54:23,231 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:54:23,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:54:23,231 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:54:23,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:54:23,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:54:23,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:54:23,232 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:54:23,232 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:54:23,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:54:23,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:54:23,232 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_22da83b3-924b-4c8b-92eb-61610bc8bc89/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 -> cbdb653cfcf101dac558ea109da390cc04b5e9b8 [2018-11-18 18:54:23,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:54:23,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:54:23,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:54:23,285 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:54:23,287 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:54:23,288 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c [2018-11-18 18:54:23,367 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/data/183ab2785/cb67d6cdf9d4415ba7d05430e9a9ad20/FLAG8a5305561 [2018-11-18 18:54:23,756 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:54:23,757 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/sv-benchmarks/c/eca-rers2012/Problem14_label26_true-unreach-call_false-termination.c [2018-11-18 18:54:23,769 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/data/183ab2785/cb67d6cdf9d4415ba7d05430e9a9ad20/FLAG8a5305561 [2018-11-18 18:54:24,108 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/data/183ab2785/cb67d6cdf9d4415ba7d05430e9a9ad20 [2018-11-18 18:54:24,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:54:24,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:54:24,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:54:24,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:54:24,116 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:54:24,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33092fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24, skipping insertion in model container [2018-11-18 18:54:24,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:54:24,172 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:54:24,500 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:54:24,508 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:54:24,605 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:54:24,619 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:54:24,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24 WrapperNode [2018-11-18 18:54:24,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:54:24,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:54:24,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:54:24,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:54:24,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:54:24,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:54:24,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:54:24,786 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:54:24,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... [2018-11-18 18:54:24,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:54:24,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:54:24,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:54:24,881 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:54:24,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:54:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/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 [2018-11-18 18:54:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 18:54:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:54:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:58:15,560 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:58:15,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:58:15 BoogieIcfgContainer [2018-11-18 18:58:15,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:58:15,561 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:58:15,561 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:58:15,570 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:58:15,570 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:58:15" (1/1) ... [2018-11-18 18:58:15,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:58:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:58:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 18:58:15,613 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 18:58:15,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:58:15,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:58:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:58:15,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:58:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:58:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 18:58:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 18:58:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:58:15,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:58:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:58:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:58:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:58:16,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-18 18:58:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-18 18:58:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:58:16,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:58:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:58:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:58:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:58:17,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2018-11-18 18:58:17,752 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2018-11-18 18:58:17,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:58:17,753 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-18 18:58:17,759 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:58:17,895 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 18:58:17,902 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-18 18:58:17,903 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:58:17,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:58:17 ImpRootNode [2018-11-18 18:58:17,903 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:58:17,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:58:17,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:58:17,904 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:58:17,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:58:15" (3/4) ... [2018-11-18 18:58:17,907 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:58:17,921 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 18:58:17,922 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 18:58:17,923 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 18:58:17,924 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:58:18,013 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22da83b3-924b-4c8b-92eb-61610bc8bc89/bin-2019/ukojak/witness.graphml [2018-11-18 18:58:18,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:58:18,014 INFO L168 Benchmark]: Toolchain (without parser) took 233903.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 951.7 MB in the beginning and 919.2 MB in the end (delta: 32.5 MB). Peak memory consumption was 198.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:58:18,015 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:58:18,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.90 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 914.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:58:18,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:58:18,015 INFO L168 Benchmark]: Boogie Preprocessor took 93.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:58:18,016 INFO L168 Benchmark]: RCFGBuilder took 230680.87 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 875.1 MB in the end (delta: 218.4 MB). Peak memory consumption was 392.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:58:18,016 INFO L168 Benchmark]: CodeCheck took 2342.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.1 MB). Free memory was 875.1 MB in the beginning and 947.2 MB in the end (delta: -72.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:58:18,016 INFO L168 Benchmark]: Witness Printer took 109.65 ms. Allocated memory is still 1.2 GB. Free memory was 947.2 MB in the beginning and 919.2 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:58:18,017 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, 246 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 102 SDslu, 96 SDs, 0 SdLazy, 198 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 240 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 3495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 13/17 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: 202]: 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: (!(a24 == 1) || !(a15 == 6)) || (a12 + 43 <= 0 || 11 < a12) || !(a21 == 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a12 + 43 <= 0 || 11 < a12) || !(a21 == 8)) || !(a24 == 1)) || !(a15 == 6) - 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 507.90 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 914.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 165.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 230680.87 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 875.1 MB in the end (delta: 218.4 MB). Peak memory consumption was 392.9 MB. Max. memory is 11.5 GB. * CodeCheck took 2342.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.1 MB). Free memory was 875.1 MB in the beginning and 947.2 MB in the end (delta: -72.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 109.65 ms. Allocated memory is still 1.2 GB. Free memory was 947.2 MB in the beginning and 919.2 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...