./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/simple_built_from_end.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ --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 0eb3d3e07cae1efa9dc9af5091aea6a309746434756c62bcf3ece83b84aec27a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:41:14,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:41:14,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:41:14,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:41:14,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:41:14,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:41:14,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:41:14,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:41:14,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:41:14,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:41:14,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:41:14,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:41:14,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:41:14,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:41:14,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:41:14,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:41:14,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:41:14,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:41:14,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:41:14,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:41:14,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:41:14,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:41:14,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:41:14,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:41:14,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:41:14,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:41:14,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:41:14,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:41:14,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:41:14,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:41:14,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:41:14,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:41:14,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:41:14,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:41:14,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:41:14,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:41:14,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:41:14,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:41:14,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:41:14,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:41:14,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:41:14,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:41:14,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:41:14,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:41:14,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:41:14,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:41:14,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:41:14,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:41:14,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:41:14,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:41:14,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:41:14,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:41:14,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:41:14,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:41:14,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:41:14,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:41:14,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:41:14,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:41:14,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:41:14,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:41:14,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:41:14,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:41:14,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:41:14,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:41:14,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:41:14,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:41:14,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:41:14,163 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:41:14,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:41:14,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:41:14,164 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_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eb3d3e07cae1efa9dc9af5091aea6a309746434756c62bcf3ece83b84aec27a [2021-11-23 00:41:14,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:41:14,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:41:14,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:41:14,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:41:14,471 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:41:14,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-properties/simple_built_from_end.i [2021-11-23 00:41:14,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/data/80cbfb7e5/21e0fb1b9f8c44b987bc14f856511b60/FLAGf311bab08 [2021-11-23 00:41:15,191 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:41:15,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/sv-benchmarks/c/list-properties/simple_built_from_end.i [2021-11-23 00:41:15,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/data/80cbfb7e5/21e0fb1b9f8c44b987bc14f856511b60/FLAGf311bab08 [2021-11-23 00:41:15,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/data/80cbfb7e5/21e0fb1b9f8c44b987bc14f856511b60 [2021-11-23 00:41:15,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:41:15,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:41:15,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:41:15,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:41:15,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:41:15,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:15" (1/1) ... [2021-11-23 00:41:15,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378d1319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:15, skipping insertion in model container [2021-11-23 00:41:15,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:15" (1/1) ... [2021-11-23 00:41:15,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:41:15,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:41:15,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2021-11-23 00:41:15,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:41:15,955 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:41:16,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2021-11-23 00:41:16,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:41:16,059 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:41:16,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16 WrapperNode [2021-11-23 00:41:16,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:41:16,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:41:16,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:41:16,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:41:16,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,125 INFO L137 Inliner]: procedures = 124, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-23 00:41:16,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:41:16,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:41:16,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:41:16,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:41:16,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:41:16,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:41:16,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:41:16,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:41:16,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:41:16,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:41:16,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:41:16,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627188f-c3d9-4c5c-a946-edf4c1275b41/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:41:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:41:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:41:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:41:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:41:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:41:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:41:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:41:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:41:16,479 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:41:16,481 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:41:16,649 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:41:16,671 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:41:16,671 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:41:16,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:16 BoogieIcfgContainer [2021-11-23 00:41:16,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:41:16,675 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:41:16,676 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:41:16,688 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:41:16,688 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:16" (1/1) ... [2021-11-23 00:41:16,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:41:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 00:41:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 00:41:16,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:41:16,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-11-23 00:41:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-23 00:41:16,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:41:16,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-23 00:41:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-23 00:41:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:41:17,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:17,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 00:41:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 00:41:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:17,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:17,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2021-11-23 00:41:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-11-23 00:41:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:41:17,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:17,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2021-11-23 00:41:19,658 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2021-11-23 00:41:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:41:19,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:19,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2021-11-23 00:41:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2021-11-23 00:41:21,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:41:21,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:21,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:41:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2021-11-23 00:41:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2021-11-23 00:41:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:41:22,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:22,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:22,829 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2021-11-23 00:41:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2021-11-23 00:41:24,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:41:24,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:24,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:24,816 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:41:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2021-11-23 00:41:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2021-11-23 00:41:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:41:25,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:25,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2021-11-23 00:41:28,835 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-11-23 00:41:28,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:41:28,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:28,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:30,111 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:33,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2021-11-23 00:41:33,321 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-11-23 00:41:33,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:41:33,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:33,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:34,180 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2021-11-23 00:41:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-11-23 00:41:38,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:41:38,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:38,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 13 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2021-11-23 00:41:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2021-11-23 00:41:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:41:47,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:47,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 5 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2021-11-23 00:41:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2021-11-23 00:41:54,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:41:54,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:54,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:41:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:59,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 94 transitions. [2021-11-23 00:41:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2021-11-23 00:41:59,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:41:59,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:59,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 16 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:10,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 68 states and 108 transitions. [2021-11-23 00:42:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 108 transitions. [2021-11-23 00:42:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:42:10,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:10,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 43 proven. 54 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:42:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 70 states and 116 transitions. [2021-11-23 00:42:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 116 transitions. [2021-11-23 00:42:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:42:14,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:14,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 82 states and 139 transitions. [2021-11-23 00:42:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 139 transitions. [2021-11-23 00:42:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:42:38,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:38,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 58 proven. 55 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:42:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 83 states and 142 transitions. [2021-11-23 00:42:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 142 transitions. [2021-11-23 00:42:47,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:42:47,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:47,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 34 proven. 81 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:42:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 86 states and 149 transitions. [2021-11-23 00:42:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 149 transitions. [2021-11-23 00:42:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:42:53,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 19 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 92 states and 162 transitions. [2021-11-23 00:43:06,926 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 162 transitions. [2021-11-23 00:43:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:43:06,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:06,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 52 proven. 82 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:43:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2021-11-23 00:43:11,111 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2021-11-23 00:43:11,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:43:11,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:11,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:22,536 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 85 states and 128 transitions. [2021-11-23 00:43:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 128 transitions. [2021-11-23 00:43:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:43:45,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:45,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 22 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 94 states and 151 transitions. [2021-11-23 00:44:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 151 transitions. [2021-11-23 00:44:12,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:44:12,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:12,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 22 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 94 states and 148 transitions. [2021-11-23 00:44:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 148 transitions. [2021-11-23 00:44:17,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:44:17,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:17,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:22,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 118 states and 192 transitions. [2021-11-23 00:45:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 192 transitions. [2021-11-23 00:45:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:45:22,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:22,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 46 proven. 155 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:45:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:36,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 203 transitions. [2021-11-23 00:45:36,197 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2021-11-23 00:45:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:45:36,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:36,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:43,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:43,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 124 states and 207 transitions. [2021-11-23 00:45:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 207 transitions. [2021-11-23 00:45:43,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:45:43,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:43,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:53,624 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 25 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 130 states and 221 transitions. [2021-11-23 00:46:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2021-11-23 00:46:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:46:14,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:14,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 70 proven. 156 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:46:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 133 states and 235 transitions. [2021-11-23 00:46:46,847 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 235 transitions. [2021-11-23 00:46:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:46:46,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:09,684 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 148 states and 275 transitions. [2021-11-23 00:48:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 275 transitions. [2021-11-23 00:48:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:48:04,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:04,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 94 proven. 157 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:48:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 148 states and 272 transitions. [2021-11-23 00:48:18,384 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 272 transitions. [2021-11-23 00:48:18,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:48:18,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:18,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:27,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 151 states and 278 transitions. [2021-11-23 00:48:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 278 transitions. [2021-11-23 00:48:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:48:27,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:27,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 28 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 151 states and 288 transitions. [2021-11-23 00:49:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 288 transitions. [2021-11-23 00:49:20,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:49:20,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:20,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 118 proven. 158 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 00:50:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:11,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 133 states and 209 transitions. [2021-11-23 00:50:11,435 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 209 transitions. [2021-11-23 00:50:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:50:11,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:11,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:47,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 142 states and 228 transitions. [2021-11-23 00:51:47,922 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 228 transitions. [2021-11-23 00:51:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:51:47,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:47,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 31 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:54,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 148 states and 239 transitions. [2021-11-23 00:52:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 239 transitions. [2021-11-23 00:52:54,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:52:54,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:54,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat