./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4 --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 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 17:53:33,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 17:53:33,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 17:53:33,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 17:53:33,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 17:53:33,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 17:53:33,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 17:53:33,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 17:53:33,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 17:53:33,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 17:53:33,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 17:53:33,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 17:53:33,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 17:53:33,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 17:53:33,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 17:53:33,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 17:53:33,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 17:53:33,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 17:53:33,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 17:53:33,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 17:53:33,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 17:53:33,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 17:53:33,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 17:53:33,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 17:53:33,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 17:53:33,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 17:53:33,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 17:53:33,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 17:53:33,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 17:53:33,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 17:53:33,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 17:53:33,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 17:53:33,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 17:53:33,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 17:53:33,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 17:53:33,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 17:53:33,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 17:53:33,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 17:53:33,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 17:53:33,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 17:53:33,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 17:53:33,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 17:53:33,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 17:53:33,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 17:53:33,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 17:53:33,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 17:53:33,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 17:53:33,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 17:53:33,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 17:53:33,307 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 17:53:33,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 17:53:33,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 17:53:33,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 17:53:33,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 17:53:33,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 17:53:33,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 17:53:33,308 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 17:53:33,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 17:53:33,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 17:53:33,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 17:53:33,308 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 17:53:33,309 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 17:53:33,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 17:53:33,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:53:33,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 17:53:33,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 17:53:33,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 17:53:33,310 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 17:53:33,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 17:53:33,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 17:53:33,310 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_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 [2022-12-14 17:53:33,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 17:53:33,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 17:53:33,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 17:53:33,510 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 17:53:33,510 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 17:53:33,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2022-12-14 17:53:36,046 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 17:53:36,220 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 17:53:36,221 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2022-12-14 17:53:36,229 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/data/25c08a8a8/31ec2ace3f4c44638d16c106871476b7/FLAG10524b15e [2022-12-14 17:53:36,639 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/data/25c08a8a8/31ec2ace3f4c44638d16c106871476b7 [2022-12-14 17:53:36,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 17:53:36,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 17:53:36,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 17:53:36,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 17:53:36,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 17:53:36,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53960b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36, skipping insertion in model container [2022-12-14 17:53:36,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 17:53:36,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 17:53:36,855 WARN L237 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_95ce607d-968d-44c8-adcc-5fcfd7640eef/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2022-12-14 17:53:36,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:53:36,866 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 17:53:36,893 WARN L237 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_95ce607d-968d-44c8-adcc-5fcfd7640eef/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2022-12-14 17:53:36,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:53:36,913 INFO L208 MainTranslator]: Completed translation [2022-12-14 17:53:36,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36 WrapperNode [2022-12-14 17:53:36,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 17:53:36,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 17:53:36,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 17:53:36,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 17:53:36,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,943 INFO L138 Inliner]: procedures = 122, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2022-12-14 17:53:36,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 17:53:36,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 17:53:36,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 17:53:36,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 17:53:36,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,961 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 17:53:36,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 17:53:36,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 17:53:36,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 17:53:36,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:36" (1/1) ... [2022-12-14 17:53:36,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:53:36,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 17:53:36,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 17:53:36,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ce607d-968d-44c8-adcc-5fcfd7640eef/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 17:53:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-12-14 17:53:37,015 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-12-14 17:53:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 17:53:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 17:53:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 17:53:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 17:53:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 17:53:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 17:53:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 17:53:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 17:53:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 17:53:37,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 17:53:37,104 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 17:53:37,106 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 17:53:37,126 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-12-14 17:53:37,259 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 17:53:37,285 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 17:53:37,285 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 17:53:37,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:53:37 BoogieIcfgContainer [2022-12-14 17:53:37,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 17:53:37,289 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 17:53:37,289 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 17:53:37,299 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 17:53:37,299 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:53:37" (1/1) ... [2022-12-14 17:53:37,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 17:53:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:53:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-12-14 17:53:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-12-14 17:53:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:53:37,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:53:37,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:53:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:53:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:53:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:53:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-14 17:53:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-14 17:53:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 17:53:37,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:53:37,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:53:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:53:37,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:53:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:53:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-12-14 17:53:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-12-14 17:53:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:53:37,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:53:37,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:53:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:53:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:53:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:53:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2022-12-14 17:53:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-12-14 17:53:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 17:53:38,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:53:38,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:53:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:53:38,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:53:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:53:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2022-12-14 17:53:38,210 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-12-14 17:53:38,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 17:53:38,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:53:38,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:53:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:53:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 17:53:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:53:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2022-12-14 17:53:39,707 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-12-14 17:53:39,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 17:53:39,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:53:39,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:53:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:53:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 17:53:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:53:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2022-12-14 17:53:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-12-14 17:53:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 17:53:43,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:53:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:53:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:53:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 17:53:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:53:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2022-12-14 17:53:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2022-12-14 17:53:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 17:53:46,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:53:46,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:53:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:53:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:53:57,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:53:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 59 states and 93 transitions. [2022-12-14 17:53:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2022-12-14 17:53:57,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 17:53:57,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:53:57,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:53:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:53:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 17:54:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 105 transitions. [2022-12-14 17:54:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 105 transitions. [2022-12-14 17:54:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 17:54:04,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:04,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 67 states and 107 transitions. [2022-12-14 17:54:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2022-12-14 17:54:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 17:54:08,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:08,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 17:54:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2022-12-14 17:54:09,772 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2022-12-14 17:54:09,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 17:54:09,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:09,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:26,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 54 states and 86 transitions. [2022-12-14 17:54:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 86 transitions. [2022-12-14 17:54:26,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 17:54:26,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:26,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 88 transitions. [2022-12-14 17:54:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2022-12-14 17:54:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 17:54:34,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:34,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:54:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 61 states and 95 transitions. [2022-12-14 17:54:47,732 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2022-12-14 17:54:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 17:54:47,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:47,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:28,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 134 transitions. [2022-12-14 17:55:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 134 transitions. [2022-12-14 17:55:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 17:55:28,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:28,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 75 states and 141 transitions. [2022-12-14 17:55:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2022-12-14 17:55:46,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 17:55:46,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:46,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:56:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:56:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 80 states and 154 transitions. [2022-12-14 17:56:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 154 transitions. [2022-12-14 17:56:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 17:56:07,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:56:07,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:56:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:56:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:56:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:56:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 82 states and 155 transitions. [2022-12-14 17:56:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 155 transitions. [2022-12-14 17:56:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 17:56:21,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:56:21,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:56:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:56:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:57:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:57:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 87 states and 163 transitions. [2022-12-14 17:57:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 163 transitions. [2022-12-14 17:57:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 17:57:04,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:57:04,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:57:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:57:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 16 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:57:37,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:57:37,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 173 transitions. [2022-12-14 17:57:37,662 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 173 transitions. [2022-12-14 17:57:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 17:57:37,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:57:37,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:57:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:57:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:58:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:58:07,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 97 states and 179 transitions. [2022-12-14 17:58:07,887 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 179 transitions. [2022-12-14 17:58:07,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 17:58:07,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:58:07,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:58:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:58:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:59:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:59:18,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 115 states and 238 transitions. [2022-12-14 17:59:18,460 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 238 transitions. [2022-12-14 17:59:18,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 17:59:18,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:59:18,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:59:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:59:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:00:10,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:00:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 125 states and 255 transitions. [2022-12-14 18:00:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 255 transitions. [2022-12-14 18:00:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 18:00:10,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:00:10,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:00:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:00:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:00:47,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:00:47,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 126 states and 260 transitions. [2022-12-14 18:00:47,004 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 260 transitions. [2022-12-14 18:00:47,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 18:00:47,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:00:47,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:00:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:01:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 128 states and 261 transitions. [2022-12-14 18:01:18,671 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 261 transitions. [2022-12-14 18:01:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 18:01:18,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:18,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 29 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:01:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 67 transitions. [2022-12-14 18:01:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2022-12-14 18:01:36,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 18:01:36,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:36,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:03:32,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2022-12-14 18:03:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-12-14 18:03:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 18:03:32,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:04:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:38,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 75 states and 98 transitions. [2022-12-14 18:04:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2022-12-14 18:04:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 18:04:38,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:38,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:59,028 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:05:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 62 states and 77 transitions. [2022-12-14 18:05:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2022-12-14 18:05:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 18:05:30,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:30,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2022-12-14 18:07:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2022-12-14 18:07:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 18:07:53,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:53,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat