./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e55536c26dc3d2371d51cd4bd073d4d19c2d7077 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 22:56:53,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:56:53,444 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:56:53,453 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:56:53,453 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:56:53,454 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:56:53,455 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:56:53,456 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:56:53,457 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:56:53,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:56:53,458 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:56:53,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:56:53,459 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:56:53,460 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:56:53,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:56:53,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:56:53,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:56:53,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:56:53,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:56:53,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:56:53,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:56:53,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:56:53,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:56:53,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:56:53,469 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:56:53,470 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:56:53,471 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:56:53,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:56:53,472 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:56:53,473 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:56:53,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:56:53,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:56:53,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:56:53,474 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:56:53,474 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:56:53,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:56:53,475 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 22:56:53,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:56:53,485 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:56:53,486 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 22:56:53,486 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 22:56:53,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 22:56:53,486 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 22:56:53,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:56:53,487 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:56:53,487 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:56:53,487 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:56:53,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:56:53,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 22:56:53,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:56:53,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 22:56:53,487 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:56:53,487 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 22:56:53,488 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 22:56:53,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 22:56:53,488 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 22:56:53,488 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 22:56:53,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:56:53,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:56:53,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 22:56:53,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:56:53,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:56:53,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 22:56:53,489 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 22:56:53,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:56:53,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 22:56:53,489 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_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e55536c26dc3d2371d51cd4bd073d4d19c2d7077 [2018-12-02 22:56:53,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:56:53,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:56:53,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:56:53,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:56:53,522 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:56:53,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c [2018-12-02 22:56:53,557 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/data/6716300f1/619850c0e9f34a32bb74826c67182799/FLAGee457d7e4 [2018-12-02 22:56:53,893 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:56:53,894 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call.i.v+cfa-reducer.c [2018-12-02 22:56:53,898 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/data/6716300f1/619850c0e9f34a32bb74826c67182799/FLAGee457d7e4 [2018-12-02 22:56:54,295 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/data/6716300f1/619850c0e9f34a32bb74826c67182799 [2018-12-02 22:56:54,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:56:54,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:56:54,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:56:54,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:56:54,302 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:56:54,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489644d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54, skipping insertion in model container [2018-12-02 22:56:54,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:56:54,336 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:56:54,439 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:56:54,442 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:56:54,464 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:56:54,472 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:56:54,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54 WrapperNode [2018-12-02 22:56:54,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:56:54,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:56:54,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:56:54,473 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:56:54,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:56:54,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:56:54,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:56:54,529 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:56:54,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:56:54,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:56:54,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:56:54,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:56:54,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/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 22:56:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:56:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:56:54,769 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:56:54,769 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-02 22:56:54,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:54 BoogieIcfgContainer [2018-12-02 22:56:54,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:56:54,769 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 22:56:54,769 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 22:56:54,777 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 22:56:54,777 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:54" (1/1) ... [2018-12-02 22:56:54,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:56:54,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:54,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2018-12-02 22:56:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2018-12-02 22:56:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 22:56:54,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:54,900 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 22:56:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-12-02 22:56:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-12-02 22:56:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 22:56:54,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:54,975 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 22:56:55,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-12-02 22:56:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-12-02 22:56:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 22:56:55,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:55,149 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 22:56:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:55,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-12-02 22:56:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-12-02 22:56:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 22:56:55,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:55,402 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 22:56:55,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2018-12-02 22:56:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2018-12-02 22:56:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 22:56:55,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:55,774 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 22:56:56,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2018-12-02 22:56:56,008 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2018-12-02 22:56:56,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 22:56:56,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:56,059 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 22:56:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2018-12-02 22:56:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2018-12-02 22:56:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 22:56:56,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:56,184 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 22:56:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2018-12-02 22:56:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-12-02 22:56:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 22:56:56,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:56,608 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 22:56:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2018-12-02 22:56:56,746 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2018-12-02 22:56:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 22:56:56,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:56,795 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 22:56:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 88 states and 117 transitions. [2018-12-02 22:56:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2018-12-02 22:56:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 22:56:57,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:57,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 22:56:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2018-12-02 22:56:57,633 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2018-12-02 22:56:57,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 22:56:57,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:57,713 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 22:56:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2018-12-02 22:56:58,065 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2018-12-02 22:56:58,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 22:56:58,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:56:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2018-12-02 22:56:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2018-12-02 22:56:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 22:56:58,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:58,930 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 22:56:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:56:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2018-12-02 22:56:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2018-12-02 22:56:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 22:56:59,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:56:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:56:59,634 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 22:56:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2018-12-02 22:57:00,000 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2018-12-02 22:57:00,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 22:57:00,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:00,065 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 22:57:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:00,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2018-12-02 22:57:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2018-12-02 22:57:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 22:57:00,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:00,754 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 22:57:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:01,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2018-12-02 22:57:01,248 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2018-12-02 22:57:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 22:57:01,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:01,383 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 22:57:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2018-12-02 22:57:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2018-12-02 22:57:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 22:57:01,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:02,011 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 22:57:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-12-02 22:57:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-12-02 22:57:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 22:57:02,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:02,808 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 22:57:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2018-12-02 22:57:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2018-12-02 22:57:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 22:57:04,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:04,771 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 22:57:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2018-12-02 22:57:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-12-02 22:57:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 22:57:06,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 22:57:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:08,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 105 transitions. [2018-12-02 22:57:08,114 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2018-12-02 22:57:08,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 22:57:08,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:08,234 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 22:57:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2018-12-02 22:57:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2018-12-02 22:57:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 22:57:10,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:57:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2018-12-02 22:57:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-12-02 22:57:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 22:57:10,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 22:57:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 85 states and 118 transitions. [2018-12-02 22:57:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 118 transitions. [2018-12-02 22:57:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 22:57:12,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 22:57:12,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:12,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2018-12-02 22:57:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2018-12-02 22:57:12,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 22:57:12,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:57:12,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 86 states and 118 transitions. [2018-12-02 22:57:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2018-12-02 22:57:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 22:57:12,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:57:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 92 states and 129 transitions. [2018-12-02 22:57:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2018-12-02 22:57:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 22:57:16,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 22:57:18,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 91 states and 127 transitions. [2018-12-02 22:57:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 127 transitions. [2018-12-02 22:57:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 22:57:18,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:57:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-12-02 22:57:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-12-02 22:57:19,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 22:57:19,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:57:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:57:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 22:57:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:57:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2018-12-02 22:57:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2018-12-02 22:57:21,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 22:57:21,536 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-12-02 22:57:21,542 INFO L779 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2018-12-02 22:57:21,723 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 22:57:21,729 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-02 22:57:21,729 INFO L583 CodeCheckObserver]: Invariant with dag size 10 [2018-12-02 22:57:21,729 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 22:57:21,730 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-02 22:57:21,730 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 22:57:21,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:57:21 ImpRootNode [2018-12-02 22:57:21,730 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 22:57:21,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 22:57:21,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 22:57:21,731 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 22:57:21,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:54" (3/4) ... [2018-12-02 22:57:21,733 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 22:57:21,743 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 22:57:21,743 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 22:57:21,788 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cbcd2233-3448-43f6-9d82-db2a9834bb19/bin-2019/ukojak/witness.graphml [2018-12-02 22:57:21,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 22:57:21,788 INFO L168 Benchmark]: Toolchain (without parser) took 27490.22 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 538.4 MB). Free memory was 961.4 MB in the beginning and 882.0 MB in the end (delta: 79.3 MB). Peak memory consumption was 617.8 MB. Max. memory is 11.5 GB. [2018-12-02 22:57:21,789 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:57:21,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.72 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 945.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 22:57:21,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-02 22:57:21,790 INFO L168 Benchmark]: Boogie Preprocessor took 13.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-02 22:57:21,790 INFO L168 Benchmark]: RCFGBuilder took 226.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-02 22:57:21,790 INFO L168 Benchmark]: CodeCheck took 26960.91 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 414.7 MB). Free memory was 1.1 GB in the beginning and 896.5 MB in the end (delta: 187.5 MB). Peak memory consumption was 602.2 MB. Max. memory is 11.5 GB. [2018-12-02 22:57:21,790 INFO L168 Benchmark]: Witness Printer took 57.36 ms. Allocated memory is still 1.6 GB. Free memory was 896.5 MB in the beginning and 882.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-02 22:57:21,791 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 82 locations, 18 error locations. SAFE Result, 26.7s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2018505216 SDtfs, -1389956380 SDslu, 131608532 SDs, 0 SdLazy, 869215938 SolverSat, -55311038 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7047 GetRequests, 6493 SyntacticMatches, 142 SemanticMatches, 412 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67908 ImplicationChecksByTransitivity, 25.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 954 NumberOfCodeBlocks, 954 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 924 ConstructedInterpolants, 0 QuantifiedInterpolants, 63934 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 22 PerfectInterpolantSequences, 50/62 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 369]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 221]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 92]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 250]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 267]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 209]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 303]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 279]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 80]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 120]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 291]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 238]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 108]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 <= main__cp && main__cp + 1 <= main__urilen - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (main__urilen == main__cp + 1 && 0 <= main__cp) || (1 <= main__cp && main__cp + 1 <= main__urilen) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (0 <= main__c && main__cp + 1 <= main__urilen) && 0 <= main__cp - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: ((!(main__urilen == main__cp + 1) && 0 <= main__c) && main__cp + 1 <= main__urilen) && 0 <= main__cp - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.72 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 945.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 226.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * CodeCheck took 26960.91 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 414.7 MB). Free memory was 1.1 GB in the beginning and 896.5 MB in the end (delta: 187.5 MB). Peak memory consumption was 602.2 MB. Max. memory is 11.5 GB. * Witness Printer took 57.36 ms. Allocated memory is still 1.6 GB. Free memory was 896.5 MB in the beginning and 882.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...