./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/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 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:18:01,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:18:01,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:18:01,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:18:01,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:18:01,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:18:01,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:18:01,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:18:01,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:18:01,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:18:01,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:18:01,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:18:01,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:18:01,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:18:01,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:18:01,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:18:01,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:18:01,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:18:01,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:18:01,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:18:01,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:18:01,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:18:01,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:18:01,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:18:01,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:18:01,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:18:01,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:18:01,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:18:01,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:18:01,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:18:01,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:18:01,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:18:01,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:18:01,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:18:01,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:18:01,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:18:01,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:18:01,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:18:01,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:18:01,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:18:01,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:18:01,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 23:18:01,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:18:01,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:18:01,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 23:18:01,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 23:18:01,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:18:01,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:18:01,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:18:01,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:18:01,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:18:01,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:18:01,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:18:01,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:18:01,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:18:01,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:18:01,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:18:01,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:18:01,584 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:18:01,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:18:01,584 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 23:18:01,585 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 23:18:01,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:18:01,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:18:01,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:18:01,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:18:01,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:18:01,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:18:01,588 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 23:18:01,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:18:01,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:18:01,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> 5e4c5ca624cdf20709f1f0e007d5ebfc90b8f799 [2019-11-19 23:18:01,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:18:01,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:18:01,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:18:01,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:18:01,804 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:18:01,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/../../sv-benchmarks/c/loops/insertion_sort-1.c [2019-11-19 23:18:01,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/data/1795288e4/67ad99cba6f447c4a000c53488728d2a/FLAG1837023fc [2019-11-19 23:18:02,328 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:18:02,329 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/sv-benchmarks/c/loops/insertion_sort-1.c [2019-11-19 23:18:02,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/data/1795288e4/67ad99cba6f447c4a000c53488728d2a/FLAG1837023fc [2019-11-19 23:18:02,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/data/1795288e4/67ad99cba6f447c4a000c53488728d2a [2019-11-19 23:18:02,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:18:02,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:18:02,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:18:02,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:18:02,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:18:02,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:18:02" (1/1) ... [2019-11-19 23:18:02,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d55c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:02, skipping insertion in model container [2019-11-19 23:18:02,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:18:02" (1/1) ... [2019-11-19 23:18:02,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:18:02,810 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:18:03,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:18:03,165 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:18:03,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:18:03,221 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:18:03,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03 WrapperNode [2019-11-19 23:18:03,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:18:03,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:18:03,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:18:03,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:18:03,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:18:03,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:18:03,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:18:03,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:18:03,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:18:03,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:18:03,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:18:03,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:18:03,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:18:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:18:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:18:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:18:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:18:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:18:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:18:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:18:03,830 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:18:03,831 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-19 23:18:03,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:18:03 BoogieIcfgContainer [2019-11-19 23:18:03,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:18:03,833 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 23:18:03,833 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 23:18:03,845 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 23:18:03,846 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:18:03" (1/1) ... [2019-11-19 23:18:03,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:18:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-11-19 23:18:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-11-19 23:18:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:18:03,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:04,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:04,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2019-11-19 23:18:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2019-11-19 23:18:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 23:18:04,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2019-11-19 23:18:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2019-11-19 23:18:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 23:18:04,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 20 states and 35 transitions. [2019-11-19 23:18:06,037 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 35 transitions. [2019-11-19 23:18:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 23:18:06,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2019-11-19 23:18:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2019-11-19 23:18:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 23:18:08,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:08,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2019-11-19 23:18:09,857 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2019-11-19 23:18:09,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:18:09,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2019-11-19 23:18:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2019-11-19 23:18:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:18:10,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:12,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:12,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2019-11-19 23:18:12,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2019-11-19 23:18:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:18:12,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:15,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2019-11-19 23:18:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2019-11-19 23:18:15,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:18:15,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 89 transitions. [2019-11-19 23:18:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 89 transitions. [2019-11-19 23:18:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:18:21,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 92 transitions. [2019-11-19 23:18:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2019-11-19 23:18:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:18:24,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:25,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2019-11-19 23:18:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2019-11-19 23:18:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 23:18:25,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:28,700 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2019-11-19 23:18:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:30,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2019-11-19 23:18:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2019-11-19 23:18:30,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 23:18:30,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2019-11-19 23:18:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2019-11-19 23:18:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 23:18:31,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 117 transitions. [2019-11-19 23:18:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 117 transitions. [2019-11-19 23:18:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 23:18:39,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2019-11-19 23:18:43,296 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2019-11-19 23:18:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 23:18:43,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:50,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 130 transitions. [2019-11-19 23:18:50,672 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 130 transitions. [2019-11-19 23:18:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 23:18:50,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:18:56,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 69 states and 141 transitions. [2019-11-19 23:18:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 141 transitions. [2019-11-19 23:18:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 23:18:56,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 23:18:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:18:57,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 70 states and 141 transitions. [2019-11-19 23:18:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 141 transitions. [2019-11-19 23:18:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 23:18:57,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:18:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:18:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:19:01,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:19:01,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2019-11-19 23:19:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2019-11-19 23:19:01,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 23:19:01,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:19:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:19:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:19:08,243 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-11-19 23:19:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:19:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 83 states and 166 transitions. [2019-11-19 23:19:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 166 transitions. [2019-11-19 23:19:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 23:19:18,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:19:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:19:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:19:22,814 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-11-19 23:19:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:19:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 78 states and 145 transitions. [2019-11-19 23:19:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 145 transitions. [2019-11-19 23:19:23,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 23:19:23,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:19:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:19:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:19:26,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:19:26,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 78 states and 142 transitions. [2019-11-19 23:19:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 142 transitions. [2019-11-19 23:19:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 23:19:26,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:19:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:19:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:19:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:19:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 144 transitions. [2019-11-19 23:19:29,260 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 144 transitions. [2019-11-19 23:19:29,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 23:19:29,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:19:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:19:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:19:35,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:19:35,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 84 states and 154 transitions. [2019-11-19 23:19:35,020 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 154 transitions. [2019-11-19 23:19:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:19:35,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:19:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:19:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:20:00,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:20:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 91 states and 170 transitions. [2019-11-19 23:20:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 170 transitions. [2019-11-19 23:20:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:20:00,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:20:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:20:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:20:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:20:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 92 states and 171 transitions. [2019-11-19 23:20:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 171 transitions. [2019-11-19 23:20:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:20:05,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:20:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:20:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:20:11,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:20:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 93 states and 171 transitions. [2019-11-19 23:20:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 171 transitions. [2019-11-19 23:20:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 23:20:11,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:20:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:20:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:20:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:20:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:20:12,153 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2019-11-19 23:20:12,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 11:20:12 ImpRootNode [2019-11-19 23:20:12,194 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 23:20:12,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:20:12,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:20:12,195 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:20:12,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:18:03" (3/4) ... [2019-11-19 23:20:12,197 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 23:20:12,261 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4569bba8-5bc9-4692-b70e-c9d1b910ec13/bin/ukojak/witness.graphml [2019-11-19 23:20:12,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:20:12,263 INFO L168 Benchmark]: Toolchain (without parser) took 129499.09 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 799.0 MB). Free memory was 943.4 MB in the beginning and 1.7 GB in the end (delta: -723.1 MB). Peak memory consumption was 75.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:20:12,264 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:20:12,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:20:12,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.00 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:20:12,265 INFO L168 Benchmark]: Boogie Preprocessor took 29.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:20:12,266 INFO L168 Benchmark]: RCFGBuilder took 537.09 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:20:12,267 INFO L168 Benchmark]: CodeCheck took 128360.90 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 647.0 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -560.2 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:20:12,267 INFO L168 Benchmark]: Witness Printer took 67.56 ms. Allocated memory is still 1.8 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:20:12,271 INFO L335 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, 11 locations, 1 error locations. Result: UNSAFE, OverallTime: 128.2s, OverallIterations: 28, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 402653184 SDtfs, 251800944 SDslu, 40370176 SDs, 0 SdLazy, -701241120 SolverSat, 1007267424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5330 GetRequests, 4427 SyntacticMatches, 377 SemanticMatches, 526 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175858 ImplicationChecksByTransitivity, 123.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 29.5s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 167515 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 2 PerfectInterpolantSequences, 45/476 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L11] unsigned int SIZE=__VERIFIER_nondet_uint(); [L12] int i, j, k, key; [L13] int v[SIZE]; [L14] j=1 [L14] COND TRUE j=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND FALSE !((i>=0) && (v[i]>key)) [L22] v[i+1] = key [L14] j++ [L14] COND TRUE j=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND FALSE !((i>=0) && (v[i]>key)) [L22] v[i+1] = key [L14] j++ [L14] COND TRUE j=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND TRUE (i>=0) && (v[i]>key) [L18] COND FALSE !(i<2) [L20] i = i - 1 [L17] (i>=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND TRUE (i>=0) && (v[i]>key) [L18] COND TRUE i<2 [L19] EXPR v[i] [L19] v[i+1] = v[i] [L20] i = i - 1 [L17] (i>=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND FALSE !((i>=0) && (v[i]>key)) [L22] v[i+1] = key [L14] j++ [L14] COND FALSE !(j