./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.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_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/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 1bebc36463b2e0e304b25e3a315802f5e039b1f9 .......................................................................................................................................................................................................................................................................... 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 08:13:02,051 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:13:02,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:13:02,058 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:13:02,058 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:13:02,059 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:13:02,060 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:13:02,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:13:02,061 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:13:02,062 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:13:02,062 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:13:02,063 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:13:02,063 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:13:02,064 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:13:02,065 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:13:02,065 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:13:02,066 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:13:02,067 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:13:02,068 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:13:02,069 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:13:02,070 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:13:02,071 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:13:02,073 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:13:02,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:13:02,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:13:02,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:13:02,074 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:13:02,075 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:13:02,075 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:13:02,076 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:13:02,076 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:13:02,077 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:13:02,077 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:13:02,077 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:13:02,078 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:13:02,078 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:13:02,079 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 08:13:02,089 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:13:02,089 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:13:02,090 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:13:02,090 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:13:02,090 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:13:02,090 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:13:02,091 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:13:02,091 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:13:02,091 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:13:02,091 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:13:02,091 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:13:02,091 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:13:02,091 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:13:02,092 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:13:02,092 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:13:02,092 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:13:02,092 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:13:02,092 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 08:13:02,092 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 08:13:02,093 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:13:02,093 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:13:02,093 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 08:13:02,093 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:13:02,093 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:13:02,093 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:13:02,093 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 08:13:02,094 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:13:02,094 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:13:02,094 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_56b126a0-1e60-4983-85ec-1758b6ec248f/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 -> 1bebc36463b2e0e304b25e3a315802f5e039b1f9 [2018-11-10 08:13:02,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:13:02,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:13:02,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:13:02,128 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:13:02,128 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:13:02,128 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c [2018-11-10 08:13:02,165 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/data/17640073b/520970a559af412ba6868c7880570d82/FLAGf2fe15c95 [2018-11-10 08:13:02,618 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:13:02,619 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c [2018-11-10 08:13:02,629 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/data/17640073b/520970a559af412ba6868c7880570d82/FLAGf2fe15c95 [2018-11-10 08:13:02,640 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/data/17640073b/520970a559af412ba6868c7880570d82 [2018-11-10 08:13:02,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:13:02,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:13:02,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:13:02,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:13:02,646 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:13:02,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:02,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c7d5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02, skipping insertion in model container [2018-11-10 08:13:02,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:02,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:13:02,688 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:13:02,904 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:13:02,907 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:13:02,974 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:13:02,985 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:13:02,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02 WrapperNode [2018-11-10 08:13:02,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:13:02,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:13:02,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:13:02,987 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:13:02,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:03,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:03,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:13:03,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:13:03,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:13:03,106 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:13:03,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:03,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:03,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:03,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:03,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:03,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:03,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... [2018-11-10 08:13:03,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:13:03,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:13:03,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:13:03,151 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:13:03,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:13:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/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 08:13:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 08:13:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:13:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:14:52,579 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:14:52,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:14:52 BoogieIcfgContainer [2018-11-10 08:14:52,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:14:52,580 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 08:14:52,580 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 08:14:52,587 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 08:14:52,587 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:14:52" (1/1) ... [2018-11-10 08:14:52,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:14:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 08:14:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 08:14:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 08:14:52,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:14:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:14:52,826 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 08:14:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 08:14:52,904 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 08:14:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 08:14:52,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:14:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:14:53,407 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 08:14:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-10 08:14:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-10 08:14:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:14:53,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:14:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:14:54,425 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 08:14:54,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:54,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2018-11-10 08:14:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2018-11-10 08:14:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:14:54,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:14:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:14:55,050 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 08:14:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-11-10 08:14:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-11-10 08:14:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 08:14:55,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:14:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:14:55,557 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 08:14:55,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-11-10 08:14:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-11-10 08:14:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 08:14:55,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:14:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:14:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 08:14:57,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2018-11-10 08:14:57,797 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2018-11-10 08:14:57,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 08:14:57,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:14:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:14:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 08:14:58,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2018-11-10 08:14:58,699 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2018-11-10 08:14:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 08:14:58,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:14:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:14:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 08:14:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 87 transitions. [2018-11-10 08:14:59,012 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2018-11-10 08:14:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 08:14:59,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:14:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:14:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 08:14:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:14:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2018-11-10 08:14:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2018-11-10 08:14:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 08:14:59,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:15:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:15:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 08:15:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:15:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2018-11-10 08:15:00,707 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2018-11-10 08:15:00,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:15:00,707 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 08:15:00,718 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 08:15:00,955 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-11-10 08:15:00,966 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 08:15:00,967 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:15:00,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 08:15:00 ImpRootNode [2018-11-10 08:15:00,967 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 08:15:00,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:15:00,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:15:00,968 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:15:00,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:14:52" (3/4) ... [2018-11-10 08:15:00,972 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:15:00,990 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-10 08:15:00,991 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 08:15:00,992 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 08:15:00,993 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 08:15:01,100 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_56b126a0-1e60-4983-85ec-1758b6ec248f/bin-2019/ukojak/witness.graphml [2018-11-10 08:15:01,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:15:01,101 INFO L168 Benchmark]: Toolchain (without parser) took 118457.70 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 599.8 MB). Free memory was 951.7 MB in the beginning and 1.4 GB in the end (delta: -424.3 MB). Peak memory consumption was 175.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:15:01,102 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 08:15:01,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 916.8 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:15:01,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 916.8 MB in the beginning and 1.1 GB in the end (delta: -206.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:15:01,103 INFO L168 Benchmark]: Boogie Preprocessor took 45.15 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:15:01,103 INFO L168 Benchmark]: RCFGBuilder took 109429.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 837.0 MB in the end (delta: 277.6 MB). Peak memory consumption was 463.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:15:01,104 INFO L168 Benchmark]: CodeCheck took 8386.99 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 296.2 MB). Free memory was 837.0 MB in the beginning and 1.4 GB in the end (delta: -554.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:15:01,104 INFO L168 Benchmark]: Witness Printer took 132.35 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-10 08:15:01,105 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, 207 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6664 SDtfs, 15504 SDslu, 14368 SDs, 0 SdLazy, 32420 SolverSat, 4332 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1676 GetRequests, 1393 SyntacticMatches, 165 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9954 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 40995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 90/240 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: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((a12 == 0 && a1 + 13 <= 0) && a4 == 14) || ((a12 == 0 && (!(a19 == 8) || 39 <= a1)) && a4 == 14)) || ((a12 == 0 && !(a10 == 1)) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && (((38 < a1 || !(a19 == 8)) || !(a10 == 1)) || a1 + 13 <= 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 342.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 916.8 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 916.8 MB in the beginning and 1.1 GB in the end (delta: -206.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.15 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 109429.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 837.0 MB in the end (delta: 277.6 MB). Peak memory consumption was 463.4 MB. Max. memory is 11.5 GB. * CodeCheck took 8386.99 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 296.2 MB). Free memory was 837.0 MB in the beginning and 1.4 GB in the end (delta: -554.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 132.35 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...