./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/vogal-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/vogal-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f79bd25b041237a4a64ed7e5ba6946aea6d3a337 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:22:34,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:22:34,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:22:34,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:22:34,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:22:34,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:22:34,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:22:34,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:22:34,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:22:34,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:22:34,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:22:34,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:22:34,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:22:34,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:22:34,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:22:34,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:22:34,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:22:34,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:22:34,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:22:34,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:22:34,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:22:34,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:22:34,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:22:34,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:22:34,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:22:34,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:22:34,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:22:34,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:22:34,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:22:34,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:22:34,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:22:34,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:22:34,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:22:34,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:22:34,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:22:34,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:22:34,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:22:34,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:22:34,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:22:34,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:22:34,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:22:34,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:22:34,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:22:34,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:22:34,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:22:34,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:22:34,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:22:34,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:22:34,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:22:34,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:22:34,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:22:34,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:22:34,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:22:34,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:22:34,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:22:34,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:22:34,528 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:22:34,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:22:34,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:22:34,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:22:34,528 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:22:34,529 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:22:34,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:22:34,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:22:34,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:22:34,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:22:34,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:22:34,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:22:34,530 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:22:34,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:22:34,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:22:34,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79bd25b041237a4a64ed7e5ba6946aea6d3a337 [2020-11-29 19:22:34,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:22:34,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:22:34,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:22:34,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:22:34,793 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:22:34,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/../../sv-benchmarks/c/loops/vogal-2.i [2020-11-29 19:22:34,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/data/edd8056ab/b48aff3142b14e72bbe2339629ffcee5/FLAG27e67c1ad [2020-11-29 19:22:35,284 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:22:35,285 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/sv-benchmarks/c/loops/vogal-2.i [2020-11-29 19:22:35,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/data/edd8056ab/b48aff3142b14e72bbe2339629ffcee5/FLAG27e67c1ad [2020-11-29 19:22:35,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/data/edd8056ab/b48aff3142b14e72bbe2339629ffcee5 [2020-11-29 19:22:35,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:22:35,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:22:35,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:35,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:22:35,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:22:35,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:35" (1/1) ... [2020-11-29 19:22:35,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77cffd56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:35, skipping insertion in model container [2020-11-29 19:22:35,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:35" (1/1) ... [2020-11-29 19:22:35,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:22:35,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:22:35,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:35,942 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:22:35,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:36,008 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:22:36,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36 WrapperNode [2020-11-29 19:22:36,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:36,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:36,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:22:36,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:22:36,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:36,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:22:36,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:22:36,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:22:36,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:22:36,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:22:36,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:22:36,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:22:36,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/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 [2020-11-29 19:22:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:22:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:22:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:22:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:22:36,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:22:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:22:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:22:36,736 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:22:36,736 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-29 19:22:36,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:36 BoogieIcfgContainer [2020-11-29 19:22:36,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:22:36,739 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:22:36,739 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:22:36,753 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:22:36,753 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:36" (1/1) ... [2020-11-29 19:22:36,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2020-11-29 19:22:36,815 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2020-11-29 19:22:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:22:36,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:36,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:36,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-11-29 19:22:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-11-29 19:22:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:22:36,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2020-11-29 19:22:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2020-11-29 19:22:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:22:37,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2020-11-29 19:22:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2020-11-29 19:22:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:22:37,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2020-11-29 19:22:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2020-11-29 19:22:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 19:22:37,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:37,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2020-11-29 19:22:37,762 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-11-29 19:22:37,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:22:37,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2020-11-29 19:22:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-11-29 19:22:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:22:38,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-11-29 19:22:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-11-29 19:22:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:22:38,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2020-11-29 19:22:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2020-11-29 19:22:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 19:22:38,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:38,972 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2020-11-29 19:22:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2020-11-29 19:22:39,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:22:39,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:39,398 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2020-11-29 19:22:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2020-11-29 19:22:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 19:22:39,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2020-11-29 19:22:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-11-29 19:22:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:22:39,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2020-11-29 19:22:40,368 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2020-11-29 19:22:40,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:22:40,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:40,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2020-11-29 19:22:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2020-11-29 19:22:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 19:22:40,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2020-11-29 19:22:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2020-11-29 19:22:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 19:22:40,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2020-11-29 19:22:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2020-11-29 19:22:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:22:40,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2020-11-29 19:22:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2020-11-29 19:22:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:22:41,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:41,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:41,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2020-11-29 19:22:41,332 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-11-29 19:22:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:22:41,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2020-11-29 19:22:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2020-11-29 19:22:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:22:41,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:41,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2020-11-29 19:22:41,868 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-11-29 19:22:41,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:22:41,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:42,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2020-11-29 19:22:42,354 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2020-11-29 19:22:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:22:42,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2020-11-29 19:22:42,517 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-11-29 19:22:42,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:22:42,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2020-11-29 19:22:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2020-11-29 19:22:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:22:43,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2020-11-29 19:22:43,263 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2020-11-29 19:22:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:22:43,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2020-11-29 19:22:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-11-29 19:22:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:22:43,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2020-11-29 19:22:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2020-11-29 19:22:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:22:44,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2020-11-29 19:22:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2020-11-29 19:22:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:22:44,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2020-11-29 19:22:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2020-11-29 19:22:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:22:45,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-11-29 19:22:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2020-11-29 19:22:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2020-11-29 19:22:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:22:45,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2020-11-29 19:22:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2020-11-29 19:22:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:22:46,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2020-11-29 19:22:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2020-11-29 19:22:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:22:46,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-29 19:22:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2020-11-29 19:22:47,581 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2020-11-29 19:22:47,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:22:47,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-11-29 19:22:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 69 transitions. [2020-11-29 19:22:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2020-11-29 19:22:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 19:22:56,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-29 19:22:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:22:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2020-11-29 19:22:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2020-11-29 19:22:59,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 19:22:59,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:22:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-11-29 19:23:01,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-11-29 19:23:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-11-29 19:23:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 19:23:01,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-11-29 19:23:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2020-11-29 19:23:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2020-11-29 19:23:03,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 19:23:03,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-11-29 19:23:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2020-11-29 19:23:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-11-29 19:23:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:23:05,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-11-29 19:23:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2020-11-29 19:23:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2020-11-29 19:23:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 19:23:07,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-11-29 19:23:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2020-11-29 19:23:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2020-11-29 19:23:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 19:23:09,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:10,056 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:10,641 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:11,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:12,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:12,248 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 39 iterations. [2020-11-29 19:23:12,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:23:12 ImpRootNode [2020-11-29 19:23:12,310 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:23:12,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:23:12,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:23:12,311 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:23:12,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:36" (3/4) ... [2020-11-29 19:23:12,313 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:23:12,483 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5f93c214-e351-48e7-8c15-612f7ee62a4e/bin/ukojak/witness.graphml [2020-11-29 19:23:12,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:23:12,485 INFO L168 Benchmark]: Toolchain (without parser) took 36821.06 ms. Allocated memory was 119.5 MB in the beginning and 436.2 MB in the end (delta: 316.7 MB). Free memory was 89.8 MB in the beginning and 357.3 MB in the end (delta: -267.4 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:12,486 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 40.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:23:12,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.39 ms. Allocated memory is still 119.5 MB. Free memory was 89.5 MB in the beginning and 95.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:12,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.28 ms. Allocated memory is still 119.5 MB. Free memory was 95.8 MB in the beginning and 94.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:12,501 INFO L168 Benchmark]: Boogie Preprocessor took 25.03 ms. Allocated memory is still 119.5 MB. Free memory was 94.0 MB in the beginning and 92.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:12,502 INFO L168 Benchmark]: RCFGBuilder took 639.31 ms. Allocated memory is still 119.5 MB. Free memory was 92.7 MB in the beginning and 65.0 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:12,503 INFO L168 Benchmark]: CodeCheck took 35571.77 ms. Allocated memory was 119.5 MB in the beginning and 436.2 MB in the end (delta: 316.7 MB). Free memory was 65.0 MB in the beginning and 362.5 MB in the end (delta: -297.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:12,504 INFO L168 Benchmark]: Witness Printer took 172.66 ms. Allocated memory is still 436.2 MB. Free memory was 362.5 MB in the beginning and 357.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:12,508 INFO L339 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, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 35.4s, OverallIterations: 39, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1342181376 SDtfs, 671103772 SDslu, 1073746620 SDs, 0 SdLazy, 1023458270 SolverSat, 352323210 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6670 GetRequests, 6165 SyntacticMatches, 223 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38186 ImplicationChecksByTransitivity, 28.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 1065 NumberOfCodeBlocks, 1065 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 77055 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 7 PerfectInterpolantSequences, 1929/2415 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] char string_entrada[10], vetor_vogais[]={'a','A','e','E','i','I','o','O','u','U','\0'}; [L27] unsigned int i,j,cont, tam_string, n_caracter; [L29] i=0 [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND TRUE i<10 [L30] string_entrada[i] = __VERIFIER_nondet_char() [L29] i++ [L29] COND FALSE !(i<10) [L32] string_entrada[10 -1]='\0' [L34] n_caracter = 0 [L35] EXPR string_entrada[n_caracter] [L35] COND TRUE string_entrada[n_caracter]!='\0' [L36] n_caracter++ [L35] EXPR string_entrada[n_caracter] [L35] COND FALSE !(string_entrada[n_caracter]!='\0') [L38] cont = 0 [L39] i=0 [L39] COND TRUE i