./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/vogal_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/vogal_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/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 fb43643cd35c65185f84c332fba8bb38d564a0a2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-635dfa2 [2018-12-02 14:38:44,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:38:44,557 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:38:44,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:38:44,564 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:38:44,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:38:44,565 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:38:44,565 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:38:44,566 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:38:44,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:38:44,567 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:38:44,567 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:38:44,568 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:38:44,568 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:38:44,569 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:38:44,569 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:38:44,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:38:44,570 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:38:44,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:38:44,572 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:38:44,572 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:38:44,573 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:38:44,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:38:44,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:38:44,574 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:38:44,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:38:44,575 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:38:44,576 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:38:44,576 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:38:44,577 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:38:44,577 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:38:44,577 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:38:44,577 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:38:44,578 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:38:44,578 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:38:44,578 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:38:44,579 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 14:38:44,586 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:38:44,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:38:44,586 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:38:44,587 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:38:44,587 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:38:44,587 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:38:44,587 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:38:44,587 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:38:44,587 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:38:44,587 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:38:44,587 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:38:44,588 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:38:44,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:38:44,588 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:38:44,588 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:38:44,588 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:38:44,588 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:38:44,588 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:38:44,588 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:38:44,588 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:38:44,588 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:38:44,588 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:38:44,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:38:44,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:38:44,589 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:38:44,589 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:38:44,589 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:38:44,589 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:38:44,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:38:44,589 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_cd47b055-c75b-4451-b701-3d75bcb3e70a/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 -> fb43643cd35c65185f84c332fba8bb38d564a0a2 [2018-12-02 14:38:44,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:38:44,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:38:44,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:38:44,619 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:38:44,619 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:38:44,620 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/../../sv-benchmarks/c/loops/vogal_false-unreach-call.i [2018-12-02 14:38:44,657 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/data/a938f7a8e/4dcb7e7fcc6d43fd8e1f87581892b071/FLAG71c2e99e5 [2018-12-02 14:38:45,132 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:38:45,132 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/sv-benchmarks/c/loops/vogal_false-unreach-call.i [2018-12-02 14:38:45,136 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/data/a938f7a8e/4dcb7e7fcc6d43fd8e1f87581892b071/FLAG71c2e99e5 [2018-12-02 14:38:45,144 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/data/a938f7a8e/4dcb7e7fcc6d43fd8e1f87581892b071 [2018-12-02 14:38:45,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:38:45,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:38:45,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:38:45,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:38:45,149 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:38:45,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1e788d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45, skipping insertion in model container [2018-12-02 14:38:45,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:38:45,163 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:38:45,254 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:38:45,256 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:38:45,271 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:38:45,282 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:38:45,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45 WrapperNode [2018-12-02 14:38:45,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:38:45,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:38:45,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:38:45,283 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:38:45,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:38:45,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:38:45,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:38:45,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:38:45,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:38:45,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:38:45,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:38:45,355 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:38:45,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/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 [2018-12-02 14:38:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 14:38:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:38:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:38:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:38:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 14:38:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 14:38:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 14:38:45,609 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:38:45,609 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 14:38:45,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:38:45 BoogieIcfgContainer [2018-12-02 14:38:45,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:38:45,610 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:38:45,610 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:38:45,620 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:38:45,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:38:45" (1/1) ... [2018-12-02 14:38:45,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:38:45,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2018-12-02 14:38:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2018-12-02 14:38:45,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 14:38:45,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-12-02 14:38:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-12-02 14:38:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 14:38:45,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:45,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-12-02 14:38:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-12-02 14:38:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 14:38:45,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:45,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:45,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-12-02 14:38:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-12-02 14:38:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:38:45,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:45,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-12-02 14:38:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-12-02 14:38:45,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 14:38:45,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-12-02 14:38:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-12-02 14:38:46,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 14:38:46,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:46,181 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-12-02 14:38:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-12-02 14:38:46,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 14:38:46,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-12-02 14:38:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-02 14:38:46,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:38:46,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-12-02 14:38:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-12-02 14:38:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 14:38:46,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:46,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:46,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2018-12-02 14:38:46,887 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2018-12-02 14:38:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 14:38:46,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2018-12-02 14:38:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-12-02 14:38:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 14:38:47,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:38:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-12-02 14:38:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-12-02 14:38:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 14:38:59,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:38:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2018-12-02 14:38:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2018-12-02 14:38:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:38:59,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:38:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2018-12-02 14:38:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-12-02 14:38:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:38:59,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:59,544 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 14:38:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2018-12-02 14:38:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2018-12-02 14:38:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:38:59,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:38:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:59,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2018-12-02 14:38:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2018-12-02 14:38:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 14:38:59,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:38:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:38:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-12-02 14:38:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-12-02 14:38:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 14:38:59,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:38:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:38:59,965 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:39:00,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2018-12-02 14:39:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2018-12-02 14:39:00,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 14:39:00,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 14:39:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:00,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2018-12-02 14:39:00,095 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2018-12-02 14:39:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 14:39:00,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:39:00,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2018-12-02 14:39:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2018-12-02 14:39:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 14:39:00,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 14:39:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2018-12-02 14:39:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2018-12-02 14:39:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 14:39:00,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:39:01,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2018-12-02 14:39:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2018-12-02 14:39:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 14:39:01,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 14:39:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2018-12-02 14:39:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2018-12-02 14:39:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 14:39:01,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:39:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 58 transitions. [2018-12-02 14:39:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2018-12-02 14:39:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 14:39:01,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:01,798 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 14:39:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2018-12-02 14:39:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2018-12-02 14:39:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 14:39:01,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:39:02,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2018-12-02 14:39:02,231 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2018-12-02 14:39:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 14:39:02,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 14:39:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2018-12-02 14:39:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2018-12-02 14:39:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 14:39:02,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:02,961 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:39:03,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2018-12-02 14:39:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2018-12-02 14:39:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 14:39:03,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 14:39:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2018-12-02 14:39:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2018-12-02 14:39:03,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 14:39:03,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:39:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2018-12-02 14:39:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2018-12-02 14:39:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 14:39:04,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 14:39:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2018-12-02 14:39:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-02 14:39:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 14:39:04,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:05,212 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 14:39:05,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-12-02 14:39:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-12-02 14:39:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 14:39:05,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 14:39:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2018-12-02 14:39:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2018-12-02 14:39:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 14:39:17,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:18,613 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-02 14:39:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:19,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 58 states and 70 transitions. [2018-12-02 14:39:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2018-12-02 14:39:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 14:39:19,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 14:39:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:21,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 62 states and 77 transitions. [2018-12-02 14:39:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2018-12-02 14:39:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 14:39:21,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 14:39:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:21,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2018-12-02 14:39:21,939 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2018-12-02 14:39:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 14:39:21,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 14:39:23,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:23,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2018-12-02 14:39:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2018-12-02 14:39:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 14:39:23,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 14:39:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 86 transitions. [2018-12-02 14:39:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2018-12-02 14:39:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 14:39:24,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 14:39:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:27,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 70 states and 89 transitions. [2018-12-02 14:39:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2018-12-02 14:39:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 14:39:27,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:39:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:39:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:39:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:39:28,504 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 39 iterations. [2018-12-02 14:39:28,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:39:28 ImpRootNode [2018-12-02 14:39:28,532 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:39:28,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:39:28,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:39:28,533 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:39:28,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:38:45" (3/4) ... [2018-12-02 14:39:28,534 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 14:39:28,587 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd47b055-c75b-4451-b701-3d75bcb3e70a/bin-2019/ukojak/witness.graphml [2018-12-02 14:39:28,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:39:28,588 INFO L168 Benchmark]: Toolchain (without parser) took 43442.35 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 436.2 MB). Free memory was 958.7 MB in the beginning and 984.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 410.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:28,589 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:39:28,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.03 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:28,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 947.9 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:28,590 INFO L168 Benchmark]: Boogie Preprocessor took 16.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:39:28,590 INFO L168 Benchmark]: RCFGBuilder took 254.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:28,590 INFO L168 Benchmark]: CodeCheck took 42922.27 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 277.9 MB). Free memory was 1.1 GB in the beginning and 984.0 MB in the end (delta: 139.5 MB). Peak memory consumption was 417.3 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:28,591 INFO L168 Benchmark]: Witness Printer took 54.98 ms. Allocated memory is still 1.5 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:39:28,592 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, 28 locations, 1 error locations. UNSAFE Result, 42.8s OverallTime, 39 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1409286144 SDtfs, 872418076 SDslu, 1140851388 SDs, 0 SdLazy, 1364128510 SolverSat, 422232490 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6594 GetRequests, 6106 SyntacticMatches, 196 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42738 ImplicationChecksByTransitivity, 39.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 949 ConstructedInterpolants, 0 QuantifiedInterpolants, 87683 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 7 PerfectInterpolantSequences, 1908/2394 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 - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] char string_entrada[10], vetor_vogais[]={'a','A','e','E','i','I','o','O','u','U','\0'}; [L16] unsigned int i,j,cont, tam_string, n_caracter; [L18] i=0 [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND TRUE i<10 [L19] string_entrada[i] = __VERIFIER_nondet_char() [L18] i++ [L18] COND FALSE !(i<10) [L21] string_entrada[10 -1]='\0' [L23] n_caracter = 0 [L24] EXPR string_entrada[n_caracter] [L24] COND TRUE string_entrada[n_caracter]!='\0' [L25] n_caracter++ [L24] EXPR string_entrada[n_caracter] [L24] COND FALSE !(string_entrada[n_caracter]!='\0') [L27] cont = 0 [L28] i=0 [L28] COND TRUE i