./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB --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 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 --- 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-dbf71c6-m [2022-10-17 17:07:36,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:36,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:36,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:36,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:36,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:36,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:36,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:36,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:36,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:36,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:36,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:36,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:36,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:36,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:36,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:36,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:36,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:36,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:36,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:36,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:36,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:36,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:36,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:36,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:36,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:36,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:36,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:36,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:36,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:36,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:36,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:36,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:36,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:36,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:36,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:36,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:36,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:36,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:36,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:36,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:36,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:07:37,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:37,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:37,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:07:37,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:07:37,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:37,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:37,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:37,022 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:37,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:07:37,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:37,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:37,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:07:37,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:37,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:07:37,024 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:37,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:07:37,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:37,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:07:37,025 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:37,025 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:37,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:37,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:37,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:37,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:37,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:07:37,027 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:07:37,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:07:37,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:07:37,028 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_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 [2022-10-17 17:07:37,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:37,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:37,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:37,369 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:37,371 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:37,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2022-10-17 17:07:37,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/data/39e3893e9/0a04a0edfbbb4a46a77f48b8b7fae700/FLAG9de05fd87 [2022-10-17 17:07:38,166 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:38,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2022-10-17 17:07:38,188 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/data/39e3893e9/0a04a0edfbbb4a46a77f48b8b7fae700/FLAG9de05fd87 [2022-10-17 17:07:38,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/data/39e3893e9/0a04a0edfbbb4a46a77f48b8b7fae700 [2022-10-17 17:07:38,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:38,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:38,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:38,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:38,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:38,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:38" (1/1) ... [2022-10-17 17:07:38,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b350328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:38, skipping insertion in model container [2022-10-17 17:07:38,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:38" (1/1) ... [2022-10-17 17:07:38,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:38,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:39,037 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_8775decd-6e75-45e5-bfaf-04d0236595dd/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i[24989,25002] [2022-10-17 17:07:39,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:39,061 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:39,145 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_8775decd-6e75-45e5-bfaf-04d0236595dd/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i[24989,25002] [2022-10-17 17:07:39,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:39,187 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:39,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39 WrapperNode [2022-10-17 17:07:39,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:39,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:39,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:39,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:39,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,301 INFO L138 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 165 [2022-10-17 17:07:39,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:39,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:39,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:39,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:39,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,369 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:39,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:39,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:39,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:39,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:39" (1/1) ... [2022-10-17 17:07:39,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:39,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:39,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:39,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8775decd-6e75-45e5-bfaf-04d0236595dd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-10-17 17:07:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-10-17 17:07:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:07:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:07:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:07:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:07:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:07:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:07:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:07:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:07:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:07:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:39,682 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:39,685 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:39,731 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-10-17 17:07:40,184 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:40,428 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:40,429 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 17:07:40,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:40 BoogieIcfgContainer [2022-10-17 17:07:40,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:07:40,436 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:07:40,437 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:07:40,451 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:07:40,451 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:40" (1/1) ... [2022-10-17 17:07:40,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:07:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 17:07:40,556 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 17:07:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:07:40,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:40,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-10-17 17:07:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 17:07:41,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:07:41,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:41,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 17:07:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 17:07:41,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:07:41,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:41,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:07:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-10-17 17:07:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 17:07:43,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:07:43,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:43,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2022-10-17 17:07:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2022-10-17 17:07:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:07:52,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:52,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:07:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2022-10-17 17:07:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2022-10-17 17:07:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:07:58,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:58,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:07:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2022-10-17 17:07:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2022-10-17 17:07:59,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:07:59,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:59,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:08:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:08:02,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:08:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2022-10-17 17:08:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2022-10-17 17:08:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:08:02,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:08:02,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:08:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat