./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/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 5f33d9d2272db58cdcc380fb222b6c55f6d85db9 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:14:18,909 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:14:18,910 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:14:18,916 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:14:18,916 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:14:18,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:14:18,917 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:14:18,919 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:14:18,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:14:18,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:14:18,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:14:18,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:14:18,922 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:14:18,922 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:14:18,923 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:14:18,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:14:18,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:14:18,925 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:14:18,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:14:18,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:14:18,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:14:18,929 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:14:18,930 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:14:18,930 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:14:18,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:14:18,931 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:14:18,932 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:14:18,932 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:14:18,933 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:14:18,933 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:14:18,933 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:14:18,933 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:14:18,934 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:14:18,934 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:14:18,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:14:18,935 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:14:18,935 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:14:18,942 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:14:18,942 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:14:18,943 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:14:18,943 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:14:18,943 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:14:18,943 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:14:18,944 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:14:18,944 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:14:18,944 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:14:18,944 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:14:18,944 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:14:18,944 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:14:18,944 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:14:18,945 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:14:18,945 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:14:18,945 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:14:18,945 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:14:18,945 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:14:18,945 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:14:18,945 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:14:18,946 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:14:18,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:14:18,946 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:14:18,946 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:14:18,946 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:14:18,946 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:14:18,946 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:14:18,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:14:18,947 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_c6364677-226c-4946-9742-38382973b851/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 -> 5f33d9d2272db58cdcc380fb222b6c55f6d85db9 [2018-11-10 05:14:18,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:14:18,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:14:18,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:14:18,983 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:14:18,984 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:14:18,984 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-11-10 05:14:19,029 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/data/fc56ca6ad/697800815fda43298d9ecdb807b8b290/FLAG7b1d63927 [2018-11-10 05:14:19,406 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:14:19,407 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-11-10 05:14:19,416 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/data/fc56ca6ad/697800815fda43298d9ecdb807b8b290/FLAG7b1d63927 [2018-11-10 05:14:19,426 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/data/fc56ca6ad/697800815fda43298d9ecdb807b8b290 [2018-11-10 05:14:19,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:14:19,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:14:19,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:14:19,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:14:19,433 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:14:19,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305850f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19, skipping insertion in model container [2018-11-10 05:14:19,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:14:19,476 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:14:19,716 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:14:19,719 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:14:19,807 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:14:19,820 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:14:19,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19 WrapperNode [2018-11-10 05:14:19,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:14:19,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:14:19,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:14:19,821 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:14:19,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:14:19,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:14:19,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:14:19,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:14:19,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:19,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... [2018-11-10 05:14:20,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:14:20,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:14:20,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:14:20,001 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:14:20,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/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 [2018-11-10 05:14:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:14:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:14:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:19:15,974 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:19:15,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:19:15 BoogieIcfgContainer [2018-11-10 05:19:15,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:19:15,975 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:19:15,975 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:19:15,983 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:19:15,983 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:19:15" (1/1) ... [2018-11-10 05:19:15,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:19:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 05:19:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 05:19:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:19:16,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:16,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 05:19:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 05:19:16,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:19:16,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:16,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:17,018 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-10 05:19:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-10 05:19:17,122 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-10 05:19:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:19:17,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:28,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-11-10 05:19:28,587 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-11-10 05:19:28,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:19:28,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-11-10 05:19:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-11-10 05:19:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:19:49,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-11-10 05:19:49,845 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-11-10 05:19:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:19:49,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:19:50,644 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-11-10 05:19:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-11-10 05:19:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-11-10 05:19:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:19:50,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:51,515 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:19:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2018-11-10 05:19:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2018-11-10 05:19:51,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:19:51,792 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 05:19:51,800 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:19:51,917 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 14 [2018-11-10 05:19:52,079 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 05:19:52,086 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 05:19:52,086 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:52,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:19:52 ImpRootNode [2018-11-10 05:19:52,087 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:19:52,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:19:52,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:19:52,087 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:19:52,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:19:15" (3/4) ... [2018-11-10 05:19:52,091 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:19:52,107 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 05:19:52,111 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 05:19:52,112 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 05:19:52,113 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:19:52,200 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6364677-226c-4946-9742-38382973b851/bin-2019/ukojak/witness.graphml [2018-11-10 05:19:52,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:19:52,200 INFO L168 Benchmark]: Toolchain (without parser) took 332771.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -135.8 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:52,201 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:19:52,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.51 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 913.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:52,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 913.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:52,202 INFO L168 Benchmark]: Boogie Preprocessor took 53.47 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:52,202 INFO L168 Benchmark]: RCFGBuilder took 295974.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 916.3 MB in the end (delta: 190.3 MB). Peak memory consumption was 397.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:52,202 INFO L168 Benchmark]: CodeCheck took 36111.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 101.2 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 132.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:52,203 INFO L168 Benchmark]: Witness Printer took 112.82 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:52,205 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, 35.7s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 876 SDtfs, 1958 SDslu, 1968 SDs, 0 SdLazy, 4070 SolverSat, 644 SolverUnsat, 64 SolverUnknown, 0 SolverNotchecked, 132.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 954 GetRequests, 808 SyntacticMatches, 76 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3513 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 25980 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 4/97 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: 178]: 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: 20]: Loop Invariant Derived loop invariant: ((a12 <= 11 || 80 < a12) || !(a21 == 10)) || !(a15 == 6) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: !(a21 == 10) || (a12 <= 11 || 80 < a12) || !(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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 390.51 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 913.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 913.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.47 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 295974.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 916.3 MB in the end (delta: 190.3 MB). Peak memory consumption was 397.6 MB. Max. memory is 11.5 GB. * CodeCheck took 36111.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 101.2 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 132.5 MB. Max. memory is 11.5 GB. * Witness Printer took 112.82 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...