./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4f493a0ec5685991b86ced08697f863f174636a1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:12:59,485 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:12:59,486 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:12:59,494 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:12:59,494 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:12:59,495 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:12:59,496 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:12:59,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:12:59,498 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:12:59,499 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:12:59,500 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:12:59,500 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:12:59,501 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:12:59,501 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:12:59,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:12:59,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:12:59,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:12:59,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:12:59,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:12:59,507 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:12:59,508 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:12:59,509 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:12:59,511 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:12:59,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:12:59,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:12:59,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:12:59,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:12:59,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:12:59,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:12:59,514 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:12:59,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:12:59,515 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:12:59,515 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:12:59,515 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:12:59,516 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:12:59,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:12:59,517 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-09 23:12:59,527 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:12:59,527 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:12:59,528 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:12:59,528 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:12:59,529 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:12:59,529 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:12:59,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:12:59,529 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-09 23:12:59,529 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:12:59,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:12:59,530 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:12:59,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:12:59,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:12:59,530 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-09 23:12:59,530 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:12:59,530 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:12:59,530 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:12:59,530 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:12:59,531 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:12:59,531 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:12:59,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:12:59,531 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:12:59,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:12:59,531 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:12:59,531 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:12:59,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:12:59,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:12:59,532 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_6c913889-ea58-4c01-ae9f-c6f31543ce19/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2018-11-09 23:12:59,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:12:59,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:12:59,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:12:59,566 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:12:59,566 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:12:59,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-11-09 23:12:59,605 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/data/33396e1f6/21039def543f4ce79622bd50536768ad/FLAGc38ba8973 [2018-11-09 23:12:59,919 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:12:59,920 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_false-no-overflow.c [2018-11-09 23:12:59,926 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/data/33396e1f6/21039def543f4ce79622bd50536768ad/FLAGc38ba8973 [2018-11-09 23:12:59,937 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/data/33396e1f6/21039def543f4ce79622bd50536768ad [2018-11-09 23:12:59,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:12:59,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:12:59,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:12:59,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:12:59,944 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:12:59,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:12:59" (1/1) ... [2018-11-09 23:12:59,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680a2912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:12:59, skipping insertion in model container [2018-11-09 23:12:59,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:12:59" (1/1) ... [2018-11-09 23:12:59,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:12:59,967 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:13:00,116 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:13:00,119 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:13:00,133 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:13:00,141 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:13:00,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00 WrapperNode [2018-11-09 23:13:00,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:13:00,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:13:00,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:13:00,142 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:13:00,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:13:00,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:13:00,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:13:00,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:13:00,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:13:00,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:13:00,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:13:00,182 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:13:00,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:13:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:13:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:13:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:13:00,470 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:13:00,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:13:00 BoogieIcfgContainer [2018-11-09 23:13:00,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:13:00,471 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:13:00,471 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:13:00,480 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:13:00,480 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:13:00" (1/1) ... [2018-11-09 23:13:00,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:13:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-11-09 23:13:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-11-09 23:13:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-09 23:13:00,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-11-09 23:13:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-11-09 23:13:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-09 23:13:00,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-11-09 23:13:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-11-09 23:13:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-09 23:13:00,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:00,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-11-09 23:13:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-11-09 23:13:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-09 23:13:00,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2018-11-09 23:13:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2018-11-09 23:13:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-09 23:13:00,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-11-09 23:13:01,051 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-11-09 23:13:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-09 23:13:01,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2018-11-09 23:13:01,069 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2018-11-09 23:13:01,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-09 23:13:01,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2018-11-09 23:13:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2018-11-09 23:13:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-09 23:13:01,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2018-11-09 23:13:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2018-11-09 23:13:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-09 23:13:01,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2018-11-09 23:13:01,282 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2018-11-09 23:13:01,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-09 23:13:01,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2018-11-09 23:13:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2018-11-09 23:13:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-09 23:13:01,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2018-11-09 23:13:01,332 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2018-11-09 23:13:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-09 23:13:01,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2018-11-09 23:13:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2018-11-09 23:13:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-09 23:13:01,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2018-11-09 23:13:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-11-09 23:13:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-09 23:13:01,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2018-11-09 23:13:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2018-11-09 23:13:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-09 23:13:01,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2018-11-09 23:13:01,605 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-11-09 23:13:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-09 23:13:01,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2018-11-09 23:13:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2018-11-09 23:13:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-09 23:13:01,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2018-11-09 23:13:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2018-11-09 23:13:01,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-09 23:13:01,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2018-11-09 23:13:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-11-09 23:13:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-09 23:13:01,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2018-11-09 23:13:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-11-09 23:13:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-09 23:13:01,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2018-11-09 23:13:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-11-09 23:13:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-09 23:13:01,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2018-11-09 23:13:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-11-09 23:13:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-09 23:13:01,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 80 transitions. [2018-11-09 23:13:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2018-11-09 23:13:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-09 23:13:02,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2018-11-09 23:13:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2018-11-09 23:13:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-09 23:13:02,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2018-11-09 23:13:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2018-11-09 23:13:02,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-09 23:13:02,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2018-11-09 23:13:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2018-11-09 23:13:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-09 23:13:02,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2018-11-09 23:13:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2018-11-09 23:13:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-09 23:13:02,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2018-11-09 23:13:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2018-11-09 23:13:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-09 23:13:02,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2018-11-09 23:13:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2018-11-09 23:13:02,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-09 23:13:02,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2018-11-09 23:13:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2018-11-09 23:13:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-09 23:13:02,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2018-11-09 23:13:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2018-11-09 23:13:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-09 23:13:02,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2018-11-09 23:13:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2018-11-09 23:13:02,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-09 23:13:02,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2018-11-09 23:13:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2018-11-09 23:13:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-09 23:13:02,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2018-11-09 23:13:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2018-11-09 23:13:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-09 23:13:02,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2018-11-09 23:13:02,763 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2018-11-09 23:13:02,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-09 23:13:02,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2018-11-09 23:13:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2018-11-09 23:13:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-09 23:13:02,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2018-11-09 23:13:02,793 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2018-11-09 23:13:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-09 23:13:02,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2018-11-09 23:13:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2018-11-09 23:13:02,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-09 23:13:02,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 61 states and 70 transitions. [2018-11-09 23:13:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2018-11-09 23:13:03,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-09 23:13:03,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2018-11-09 23:13:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2018-11-09 23:13:03,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-09 23:13:03,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:03,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2018-11-09 23:13:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2018-11-09 23:13:03,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-09 23:13:03,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:03,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:03,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2018-11-09 23:13:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2018-11-09 23:13:03,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-09 23:13:03,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:13:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:13:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:13:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 66 states and 80 transitions. [2018-11-09 23:13:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2018-11-09 23:13:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-09 23:13:03,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:13:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:13:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:13:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:13:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:13:03,433 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 43 iterations. [2018-11-09 23:13:03,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:13:03 ImpRootNode [2018-11-09 23:13:03,452 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:13:03,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:13:03,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:13:03,453 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:13:03,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:13:00" (3/4) ... [2018-11-09 23:13:03,456 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-09 23:13:03,496 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6c913889-ea58-4c01-ae9f-c6f31543ce19/bin-2019/ukojak/witness.graphml [2018-11-09 23:13:03,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:13:03,497 INFO L168 Benchmark]: Toolchain (without parser) took 3557.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 953.8 MB in the beginning and 903.3 MB in the end (delta: 50.4 MB). Peak memory consumption was 269.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:03,498 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:13:03,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.60 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:03,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.56 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:03,499 INFO L168 Benchmark]: Boogie Preprocessor took 13.50 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:13:03,499 INFO L168 Benchmark]: RCFGBuilder took 289.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:03,500 INFO L168 Benchmark]: CodeCheck took 2981.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 903.3 MB in the end (delta: 231.4 MB). Peak memory consumption was 289.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:13:03,500 INFO L168 Benchmark]: Witness Printer took 43.68 ms. Allocated memory is still 1.2 GB. Free memory is still 903.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:13:03,505 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, 89 locations, 36 error locations. UNSAFE Result, 2.9s OverallTime, 43 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 554197812 SDtfs, -1385485964 SDslu, 24 SDs, 0 SdLazy, 1385431150 SolverSat, 2078197314 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4617 GetRequests, 4289 SyntacticMatches, 210 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9198 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 666 NumberOfCodeBlocks, 666 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 595 ConstructedInterpolants, 0 QuantifiedInterpolants, 25245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 42 PerfectInterpolantSequences, 0/0 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: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 [L24] COND FALSE !(x > 0) [L27] EXPR x - 1 [L27] x = x - 1 [L29] COND FALSE !(x > 0) [L32] EXPR x - 1 [L32] x = x - 1 [L34] COND FALSE !(x > 0) [L37] EXPR x - 1 [L37] x = x - 1 [L39] COND FALSE !(x > 0) [L42] EXPR x - 1 [L42] x = x - 1 [L44] COND FALSE !(x > 0) [L47] EXPR x - 1 [L47] x = x - 1 [L49] COND FALSE !(x > 0) [L52] EXPR x - 1 [L52] x = x - 1 [L54] COND FALSE !(x > 0) [L57] EXPR x - 1 [L57] x = x - 1 [L59] COND FALSE !(x > 0) [L62] EXPR x - 1 [L62] x = x - 1 [L64] COND TRUE y<100 && z<100 [L65] y+x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 200.60 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.56 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.50 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 289.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * CodeCheck took 2981.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 903.3 MB in the end (delta: 231.4 MB). Peak memory consumption was 289.1 MB. Max. memory is 11.5 GB. * Witness Printer took 43.68 ms. Allocated memory is still 1.2 GB. Free memory is still 903.3 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...