./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/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 e55536c26dc3d2371d51cd4bd073d4d19c2d7077 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:19:47,486 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:19:47,488 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:19:47,494 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:19:47,494 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:19:47,495 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:19:47,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:19:47,496 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:19:47,497 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:19:47,497 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:19:47,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:19:47,498 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:19:47,498 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:19:47,499 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:19:47,499 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:19:47,500 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:19:47,500 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:19:47,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:19:47,503 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:19:47,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:19:47,505 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:19:47,506 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:19:47,507 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:19:47,507 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:19:47,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:19:47,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:19:47,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:19:47,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:19:47,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:19:47,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:19:47,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:19:47,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:19:47,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:19:47,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:19:47,512 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:19:47,513 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:19:47,513 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 12:19:47,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:19:47,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:19:47,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:19:47,524 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:19:47,525 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:19:47,525 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:19:47,525 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:19:47,525 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:19:47,525 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:19:47,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:19:47,526 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:19:47,526 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:19:47,526 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:19:47,526 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:19:47,526 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:19:47,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:19:47,527 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:19:47,527 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:19:47,527 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:19:47,527 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:19:47,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:19:47,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:19:47,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:19:47,527 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:19:47,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:19:47,528 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:19:47,528 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:19:47,528 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:19:47,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:19:47,528 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_ab2205f4-a36d-40de-b251-f2f4650f19e4/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 -> e55536c26dc3d2371d51cd4bd073d4d19c2d7077 [2018-11-23 12:19:47,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:19:47,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:19:47,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:19:47,562 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:19:47,562 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:19:47,562 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c [2018-11-23 12:19:47,600 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/data/a9370b2f2/476b246cda72452d956365f6e9c0908d/FLAG43ebd4018 [2018-11-23 12:19:48,021 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:19:48,022 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c [2018-11-23 12:19:48,028 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/data/a9370b2f2/476b246cda72452d956365f6e9c0908d/FLAG43ebd4018 [2018-11-23 12:19:48,038 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/data/a9370b2f2/476b246cda72452d956365f6e9c0908d [2018-11-23 12:19:48,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:19:48,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:19:48,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:19:48,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:19:48,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:19:48,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5fba41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48, skipping insertion in model container [2018-11-23 12:19:48,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:19:48,081 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:19:48,202 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:19:48,204 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:19:48,226 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:19:48,235 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:19:48,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48 WrapperNode [2018-11-23 12:19:48,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:19:48,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:19:48,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:19:48,236 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:19:48,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:19:48,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:19:48,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:19:48,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:19:48,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:19:48,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:19:48,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:19:48,317 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:19:48,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:19:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/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 [2018-11-23 12:19:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:19:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:19:48,638 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:19:48,639 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 12:19:48,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:19:48 BoogieIcfgContainer [2018-11-23 12:19:48,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:19:48,639 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:19:48,639 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:19:48,648 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:19:48,649 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:19:48" (1/1) ... [2018-11-23 12:19:48,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:19:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2018-11-23 12:19:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2018-11-23 12:19:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 12:19:48,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-11-23 12:19:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-11-23 12:19:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 12:19:48,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-11-23 12:19:49,029 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-11-23 12:19:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 12:19:49,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:49,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-11-23 12:19:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-11-23 12:19:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 12:19:49,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:49,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2018-11-23 12:19:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2018-11-23 12:19:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 12:19:49,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2018-11-23 12:19:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2018-11-23 12:19:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 12:19:50,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2018-11-23 12:19:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2018-11-23 12:19:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 12:19:50,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2018-11-23 12:19:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-11-23 12:19:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 12:19:50,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2018-11-23 12:19:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2018-11-23 12:19:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 12:19:50,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 88 states and 117 transitions. [2018-11-23 12:19:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2018-11-23 12:19:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 12:19:51,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:19:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2018-11-23 12:19:51,821 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2018-11-23 12:19:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 12:19:51,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2018-11-23 12:19:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2018-11-23 12:19:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 12:19:52,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:53,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2018-11-23 12:19:53,049 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2018-11-23 12:19:53,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 12:19:53,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2018-11-23 12:19:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2018-11-23 12:19:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 12:19:53,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2018-11-23 12:19:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2018-11-23 12:19:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 12:19:54,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2018-11-23 12:19:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2018-11-23 12:19:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 12:19:54,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:55,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2018-11-23 12:19:55,639 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2018-11-23 12:19:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 12:19:55,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:56,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2018-11-23 12:19:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2018-11-23 12:19:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 12:19:56,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:57,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-11-23 12:19:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-11-23 12:19:57,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 12:19:57,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:19:59,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:19:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2018-11-23 12:19:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2018-11-23 12:19:59,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:19:59,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:19:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:19:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2018-11-23 12:20:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-11-23 12:20:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 12:20:00,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:20:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 105 transitions. [2018-11-23 12:20:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2018-11-23 12:20:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 12:20:01,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2018-11-23 12:20:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2018-11-23 12:20:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 12:20:03,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2018-11-23 12:20:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-11-23 12:20:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:20:03,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:03,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:20:04,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 85 states and 118 transitions. [2018-11-23 12:20:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 118 transitions. [2018-11-23 12:20:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:20:04,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 12:20:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2018-11-23 12:20:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2018-11-23 12:20:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:20:05,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:05,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 86 states and 118 transitions. [2018-11-23 12:20:05,315 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2018-11-23 12:20:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:20:05,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:20:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:08,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 92 states and 129 transitions. [2018-11-23 12:20:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2018-11-23 12:20:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 12:20:08,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:20:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 91 states and 127 transitions. [2018-11-23 12:20:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 127 transitions. [2018-11-23 12:20:09,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 12:20:09,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:20:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-11-23 12:20:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-11-23 12:20:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 12:20:10,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:20:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:20:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:20:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:20:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2018-11-23 12:20:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2018-11-23 12:20:12,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:20:12,168 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-11-23 12:20:12,174 INFO L775 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2018-11-23 12:20:12,358 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 12:20:12,365 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-23 12:20:12,366 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-23 12:20:12,366 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:12,367 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-23 12:20:12,367 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:20:12,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:20:12 ImpRootNode [2018-11-23 12:20:12,368 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:20:12,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:20:12,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:20:12,369 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:20:12,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:19:48" (3/4) ... [2018-11-23 12:20:12,373 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:20:12,384 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:20:12,384 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:20:12,442 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ab2205f4-a36d-40de-b251-f2f4650f19e4/bin-2019/ukojak/witness.graphml [2018-11-23 12:20:12,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:20:12,443 INFO L168 Benchmark]: Toolchain (without parser) took 24402.46 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 598.2 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 422.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:12,444 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:20:12,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.35 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:12,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:12,445 INFO L168 Benchmark]: Boogie Preprocessor took 17.72 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:12,445 INFO L168 Benchmark]: RCFGBuilder took 322.03 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:12,445 INFO L168 Benchmark]: CodeCheck took 23729.08 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.2 MB). Peak memory consumption was 423.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:20:12,446 INFO L168 Benchmark]: Witness Printer took 73.94 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.4 kB). Peak memory consumption was 44.4 kB. Max. memory is 11.5 GB. [2018-11-23 12:20:12,447 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, 82 locations, 18 error locations. SAFE Result, 23.5s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2018505216 SDtfs, -1389956380 SDslu, 131608532 SDs, 0 SdLazy, 869215938 SolverSat, -55311038 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7047 GetRequests, 6493 SyntacticMatches, 142 SemanticMatches, 412 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67908 ImplicationChecksByTransitivity, 22.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 954 NumberOfCodeBlocks, 954 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 924 ConstructedInterpolants, 0 QuantifiedInterpolants, 63934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 22 PerfectInterpolantSequences, 50/62 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: 369]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 279]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 120]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 303]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 80]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 108]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 250]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 267]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 209]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 92]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 291]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 238]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 221]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 <= main__cp && main__cp + 1 <= main__urilen - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (main__urilen == main__cp + 1 && 0 <= main__cp) || (1 <= main__cp && main__cp + 1 <= main__urilen) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (0 <= main__c && main__cp + 1 <= main__urilen) && 0 <= main__cp - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: ((!(main__urilen == main__cp + 1) && 0 <= main__c) && main__cp + 1 <= main__urilen) && 0 <= main__cp - InvariantResult [Line: 8]: 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.35 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.72 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.03 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * CodeCheck took 23729.08 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.2 MB). Peak memory consumption was 423.7 MB. Max. memory is 11.5 GB. * Witness Printer took 73.94 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.4 kB). Peak memory consumption was 44.4 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...