./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/eureka_01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/eureka_01-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0175e46c372a5de5baa3319396a86b21fa2d79f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:56:08,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:56:08,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:56:08,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:56:08,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:56:08,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:56:08,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:56:08,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:56:08,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:56:08,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:56:08,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:56:08,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:56:08,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:56:08,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:56:08,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:56:08,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:56:08,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:56:08,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:56:08,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:56:08,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:56:08,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:56:08,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:56:08,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:56:08,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:56:08,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:56:08,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:56:08,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:56:08,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:56:08,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:56:08,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:56:08,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:56:08,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:56:08,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:56:08,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:56:08,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:56:08,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:56:08,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:56:08,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:56:08,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:56:08,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:56:08,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:56:08,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:56:08,355 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:56:08,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:56:08,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:56:08,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:56:08,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:56:08,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:56:08,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:56:08,358 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:56:08,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:56:08,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:56:08,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:56:08,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:56:08,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:56:08,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:56:08,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:56:08,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:56:08,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:56:08,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:56:08,361 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:56:08,361 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:56:08,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:56:08,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:56:08,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:56:08,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:56:08,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:56:08,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:56:08,363 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:56:08,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:56:08,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:56:08,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0175e46c372a5de5baa3319396a86b21fa2d79f [2020-12-01 16:56:08,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:56:08,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:56:08,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:56:08,649 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:56:08,650 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:56:08,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/../../sv-benchmarks/c/loops/eureka_01-1.c [2020-12-01 16:56:08,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/data/c0cc49e52/600883718cb74f40b165ca2de4139b7f/FLAG5321c4c1e [2020-12-01 16:56:09,194 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:56:09,194 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/sv-benchmarks/c/loops/eureka_01-1.c [2020-12-01 16:56:09,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/data/c0cc49e52/600883718cb74f40b165ca2de4139b7f/FLAG5321c4c1e [2020-12-01 16:56:09,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/data/c0cc49e52/600883718cb74f40b165ca2de4139b7f [2020-12-01 16:56:09,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:56:09,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:56:09,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:56:09,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:56:09,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:56:09,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f44409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09, skipping insertion in model container [2020-12-01 16:56:09,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:56:09,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:56:09,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:56:09,823 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:56:09,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:56:09,891 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:56:09,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09 WrapperNode [2020-12-01 16:56:09,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:56:09,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:56:09,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:56:09,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:56:09,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:56:09,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:56:09,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:56:09,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:56:09,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... [2020-12-01 16:56:09,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:56:09,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:56:09,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:56:09,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:56:10,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:56:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:56:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:56:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:56:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:56:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:56:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:56:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:56:10,677 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:56:10,678 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 16:56:10,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:56:10 BoogieIcfgContainer [2020-12-01 16:56:10,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:56:10,686 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:56:10,687 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:56:10,700 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:56:10,700 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:56:10" (1/1) ... [2020-12-01 16:56:10,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:56:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2020-12-01 16:56:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2020-12-01 16:56:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:56:10,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:56:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:11,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2020-12-01 16:56:11,123 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2020-12-01 16:56:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:56:11,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:56:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:11,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 20 states and 35 transitions. [2020-12-01 16:56:11,412 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 35 transitions. [2020-12-01 16:56:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:56:11,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:56:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 36 transitions. [2020-12-01 16:56:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 36 transitions. [2020-12-01 16:56:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:56:11,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:56:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2020-12-01 16:56:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2020-12-01 16:56:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:56:11,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:56:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:12,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 30 states and 62 transitions. [2020-12-01 16:56:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 62 transitions. [2020-12-01 16:56:12,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:56:12,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:56:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 34 states and 81 transitions. [2020-12-01 16:56:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 81 transitions. [2020-12-01 16:56:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:56:13,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:56:15,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 35 states and 81 transitions. [2020-12-01 16:56:15,099 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 81 transitions. [2020-12-01 16:56:15,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:56:15,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:56:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 35 states and 79 transitions. [2020-12-01 16:56:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 79 transitions. [2020-12-01 16:56:15,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:56:15,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:15,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:56:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2020-12-01 16:56:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2020-12-01 16:56:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:56:16,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:56:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 41 states and 98 transitions. [2020-12-01 16:56:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 98 transitions. [2020-12-01 16:56:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:56:17,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:56:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:18,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 42 states and 98 transitions. [2020-12-01 16:56:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 98 transitions. [2020-12-01 16:56:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:56:18,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:56:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:21,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 48 states and 124 transitions. [2020-12-01 16:56:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 124 transitions. [2020-12-01 16:56:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:56:21,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:56:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 54 states and 137 transitions. [2020-12-01 16:56:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 137 transitions. [2020-12-01 16:56:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:56:22,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:56:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 55 states and 137 transitions. [2020-12-01 16:56:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 137 transitions. [2020-12-01 16:56:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:56:23,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:56:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 57 states and 142 transitions. [2020-12-01 16:56:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 142 transitions. [2020-12-01 16:56:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:56:24,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:24,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:56:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 58 states and 142 transitions. [2020-12-01 16:56:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 142 transitions. [2020-12-01 16:56:24,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:56:24,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:56:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:25,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 59 states and 147 transitions. [2020-12-01 16:56:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 147 transitions. [2020-12-01 16:56:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:56:25,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:25,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:56:26,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:26,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 60 states and 148 transitions. [2020-12-01 16:56:26,145 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 148 transitions. [2020-12-01 16:56:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:56:26,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:56:29,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 65 states and 164 transitions. [2020-12-01 16:56:29,058 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 164 transitions. [2020-12-01 16:56:29,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:56:29,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:56:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:29,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 66 states and 166 transitions. [2020-12-01 16:56:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 166 transitions. [2020-12-01 16:56:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:56:29,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:29,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:56:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 67 states and 168 transitions. [2020-12-01 16:56:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 168 transitions. [2020-12-01 16:56:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:56:30,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:56:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 68 states and 170 transitions. [2020-12-01 16:56:30,610 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 170 transitions. [2020-12-01 16:56:30,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:56:30,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:30,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:56:31,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 69 states and 171 transitions. [2020-12-01 16:56:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 171 transitions. [2020-12-01 16:56:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:56:31,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:31,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:56:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 70 states and 172 transitions. [2020-12-01 16:56:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 172 transitions. [2020-12-01 16:56:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:56:31,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:56:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 71 states and 175 transitions. [2020-12-01 16:56:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 175 transitions. [2020-12-01 16:56:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:56:32,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:56:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:41,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 81 states and 211 transitions. [2020-12-01 16:56:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 211 transitions. [2020-12-01 16:56:41,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:56:41,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:56:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 84 states and 231 transitions. [2020-12-01 16:56:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 231 transitions. [2020-12-01 16:56:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:56:48,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:56:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 85 states and 234 transitions. [2020-12-01 16:56:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 234 transitions. [2020-12-01 16:56:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:56:48,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:56:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 89 states and 247 transitions. [2020-12-01 16:56:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 247 transitions. [2020-12-01 16:56:51,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:56:51,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:56:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:52,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 90 states and 247 transitions. [2020-12-01 16:56:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 247 transitions. [2020-12-01 16:56:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:56:52,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:56:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:53,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 91 states and 249 transitions. [2020-12-01 16:56:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 249 transitions. [2020-12-01 16:56:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:56:53,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:56:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 93 states and 256 transitions. [2020-12-01 16:56:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 256 transitions. [2020-12-01 16:56:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:56:57,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:56:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 87 states and 240 transitions. [2020-12-01 16:56:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 240 transitions. [2020-12-01 16:56:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:56:58,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:57:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 90 states and 255 transitions. [2020-12-01 16:57:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 255 transitions. [2020-12-01 16:57:01,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:01,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:57:02,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 91 states and 259 transitions. [2020-12-01 16:57:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 259 transitions. [2020-12-01 16:57:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:02,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:57:04,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:04,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 92 states and 264 transitions. [2020-12-01 16:57:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 264 transitions. [2020-12-01 16:57:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:04,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:57:05,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 93 states and 267 transitions. [2020-12-01 16:57:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 267 transitions. [2020-12-01 16:57:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:05,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:57:06,143 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2020-12-01 16:57:06,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 94 states and 268 transitions. [2020-12-01 16:57:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 268 transitions. [2020-12-01 16:57:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:06,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:57:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 96 states and 273 transitions. [2020-12-01 16:57:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 273 transitions. [2020-12-01 16:57:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:09,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:57:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:16,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 103 states and 313 transitions. [2020-12-01 16:57:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 313 transitions. [2020-12-01 16:57:16,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:16,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:57:21,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 106 states and 322 transitions. [2020-12-01 16:57:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 322 transitions. [2020-12-01 16:57:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:21,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:57:25,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:25,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 110 states and 330 transitions. [2020-12-01 16:57:25,438 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 330 transitions. [2020-12-01 16:57:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:25,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:57:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 111 states and 331 transitions. [2020-12-01 16:57:26,477 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 331 transitions. [2020-12-01 16:57:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:26,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:57:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 112 states and 331 transitions. [2020-12-01 16:57:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 331 transitions. [2020-12-01 16:57:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:27,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:57:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 113 states and 331 transitions. [2020-12-01 16:57:28,193 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 331 transitions. [2020-12-01 16:57:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:28,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:57:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 115 states and 337 transitions. [2020-12-01 16:57:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 337 transitions. [2020-12-01 16:57:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:57:30,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:57:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 116 states and 338 transitions. [2020-12-01 16:57:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 338 transitions. [2020-12-01 16:57:30,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:57:30,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:31,023 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:57:33,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 118 states and 345 transitions. [2020-12-01 16:57:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 345 transitions. [2020-12-01 16:57:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:57:33,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:57:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 120 states and 346 transitions. [2020-12-01 16:57:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 346 transitions. [2020-12-01 16:57:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:57:35,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:35,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:57:42,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 125 states and 362 transitions. [2020-12-01 16:57:42,115 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 362 transitions. [2020-12-01 16:57:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:57:42,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:57:44,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 127 states and 372 transitions. [2020-12-01 16:57:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 372 transitions. [2020-12-01 16:57:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:57:44,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:57:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 130 states and 379 transitions. [2020-12-01 16:57:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 379 transitions. [2020-12-01 16:57:49,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:57:49,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:57:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 131 states and 379 transitions. [2020-12-01 16:57:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 379 transitions. [2020-12-01 16:57:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:57:52,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:57:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 132 states and 379 transitions. [2020-12-01 16:57:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 379 transitions. [2020-12-01 16:57:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:57:54,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:57:55,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 133 states and 379 transitions. [2020-12-01 16:57:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 379 transitions. [2020-12-01 16:57:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:57:55,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:57:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 134 states and 379 transitions. [2020-12-01 16:57:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 379 transitions. [2020-12-01 16:57:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:57:56,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:57:58,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 135 states and 382 transitions. [2020-12-01 16:57:58,081 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 382 transitions. [2020-12-01 16:57:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:57:58,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:58:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 145 states and 400 transitions. [2020-12-01 16:58:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 400 transitions. [2020-12-01 16:58:11,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:58:11,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:58:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 150 states and 422 transitions. [2020-12-01 16:58:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 422 transitions. [2020-12-01 16:58:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:58:33,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:58:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 151 states and 423 transitions. [2020-12-01 16:58:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 423 transitions. [2020-12-01 16:58:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:58:34,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:58:34,807 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:58:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:58:34,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:58:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:58:35,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:58:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:58:35,171 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:58:37,216 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 61 iterations. [2020-12-01 16:58:37,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:58:37 ImpRootNode [2020-12-01 16:58:37,274 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:58:37,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:58:37,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:58:37,275 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:58:37,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:56:10" (3/4) ... [2020-12-01 16:58:37,278 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:58:37,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_51290e9d-af44-4b34-836e-ca600269d84c/bin/ukojak/witness.graphml [2020-12-01 16:58:37,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:58:37,405 INFO L168 Benchmark]: Toolchain (without parser) took 147840.86 ms. Allocated memory was 100.7 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 74.5 MB in the beginning and 848.5 MB in the end (delta: -774.0 MB). Peak memory consumption was 466.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:58:37,406 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:58:37,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.33 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 74.8 MB in the end (delta: -533.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:58:37,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.93 ms. Allocated memory is still 100.7 MB. Free memory was 74.8 MB in the beginning and 72.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:58:37,411 INFO L168 Benchmark]: Boogie Preprocessor took 36.59 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 70.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:58:37,414 INFO L168 Benchmark]: RCFGBuilder took 686.45 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 70.7 MB in the beginning and 90.3 MB in the end (delta: -19.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:58:37,415 INFO L168 Benchmark]: CodeCheck took 146588.66 ms. Allocated memory was 121.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 90.3 MB in the beginning and 852.7 MB in the end (delta: -762.5 MB). Peak memory consumption was 456.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:58:37,415 INFO L168 Benchmark]: Witness Printer took 129.06 ms. Allocated memory is still 1.3 GB. Free memory was 852.7 MB in the beginning and 848.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:58:37,419 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 146.4s, OverallIterations: 61, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 2104201784 SDslu, 0 SDs, 0 SdLazy, -1657079844 SolverSat, -1183258736 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 94.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13307 GetRequests, 12247 SyntacticMatches, 354 SemanticMatches, 706 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272872 ImplicationChecksByTransitivity, 135.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 22.8s InterpolantComputationTime, 1067 NumberOfCodeBlocks, 1067 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 985 ConstructedInterpolants, 0 QuantifiedInterpolants, 90416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 5 PerfectInterpolantSequences, 341/584 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: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] int INFINITY = 899; [L18] int nodecount = __VERIFIER_nondet_int(); [L19] int edgecount = __VERIFIER_nondet_int(); [L20] COND FALSE !(!(0 <= nodecount && nodecount <= 4)) VAL [INFINITY=899] [L21] COND FALSE !(!(0 <= edgecount && edgecount <= 19)) [L22] int source = 0; [L23] int Source[20] = {0,4,1,1,0,0,1,3,4,4,2,2,3,0,0,3,1,2,2,3}; [L24] int Dest[20] = {1,3,4,1,1,4,3,4,3,0,0,0,0,2,3,0,2,1,0,4}; [L25] int Weight[20] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19}; [L26] int distance[5]; [L27] int x,y; [L28] int i,j; [L30] i = 0 VAL [INFINITY=899] [L30] COND TRUE i < nodecount [L31] COND TRUE i == source [L32] distance[i] = 0 [L30] i++ VAL [INFINITY=899] [L30] COND TRUE i < nodecount [L31] COND FALSE !(i == source) [L35] distance[i] = INFINITY [L30] i++ VAL [INFINITY=899] [L30] COND FALSE !(i < nodecount) [L39] i = 0 VAL [INFINITY=899] [L39] COND TRUE i < nodecount [L41] j = 0 VAL [INFINITY=899] [L41] COND TRUE j < edgecount [L43] EXPR Dest[j] [L43] x = Dest[j] [L44] EXPR Source[j] [L44] y = Source[j] [L45] EXPR distance[x] [L45] EXPR distance[y] [L45] EXPR Weight[j] [L45] COND TRUE distance[x] > distance[y] + Weight[j] [L47] distance[x] = -1 [L41] j++ VAL [INFINITY=899] [L41] COND FALSE !(j < edgecount) [L39] i++ VAL [INFINITY=899] [L39] COND TRUE i < nodecount [L41] j = 0 VAL [INFINITY=899] [L41] COND TRUE j < edgecount [L43] EXPR Dest[j] [L43] x = Dest[j] [L44] EXPR Source[j] [L44] y = Source[j] [L45] EXPR distance[x] [L45] EXPR distance[y] [L45] EXPR Weight[j] [L45] COND FALSE !(distance[x] > distance[y] + Weight[j]) [L41] j++ VAL [INFINITY=899] [L41] COND FALSE !(j < edgecount) [L39] i++ VAL [INFINITY=899] [L39] COND FALSE !(i < nodecount) [L51] i = 0 VAL [INFINITY=899] [L51] COND TRUE i < edgecount [L53] EXPR Dest[i] [L53] x = Dest[i] [L54] EXPR Source[i] [L54] y = Source[i] [L55] EXPR distance[x] [L55] EXPR distance[y] [L55] EXPR Weight[i] VAL [INFINITY=899] [L55] COND FALSE !(distance[x] > distance[y] + Weight[i]) [L51] i++ VAL [INFINITY=899] [L51] COND FALSE !(i < edgecount) [L61] i = 0 VAL [INFINITY=899] [L61] COND TRUE i < nodecount [L63] distance[i] [L11] COND FALSE !(!(cond)) VAL [INFINITY=899] [L61] i++ VAL [INFINITY=899] [L61] COND TRUE i < nodecount [L63] distance[i] [L11] COND TRUE !(cond) VAL [INFINITY=899] [L7] __assert_fail("0", "eureka_01-1.c", 7, "reach_error") VAL [INFINITY=899] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 324.33 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 74.8 MB in the end (delta: -533.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.93 ms. Allocated memory is still 100.7 MB. Free memory was 74.8 MB in the beginning and 72.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.59 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 70.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 686.45 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 70.7 MB in the beginning and 90.3 MB in the end (delta: -19.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * CodeCheck took 146588.66 ms. Allocated memory was 121.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 90.3 MB in the beginning and 852.7 MB in the end (delta: -762.5 MB). Peak memory consumption was 456.6 MB. Max. memory is 16.1 GB. * Witness Printer took 129.06 ms. Allocated memory is still 1.3 GB. Free memory was 852.7 MB in the beginning and 848.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...