./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext2-properties/simple_search_value-1.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_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/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_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext2-properties/simple_search_value-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/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_7487ad8e-7553-49c3-a6d8-14d3288f8e54/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 9339a3186df1139a7984a9803a310ef99d020bdafafac2d122ebd6ff2b132483 --- 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 17:03:18,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:18,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:18,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:18,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:18,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:18,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:18,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:18,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:18,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:18,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:18,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:18,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:18,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:18,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:18,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:18,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:18,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:18,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:18,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:18,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:18,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:18,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:18,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:18,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:18,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:18,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:18,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:18,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:18,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:18,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:18,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:18,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:18,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:18,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:18,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:18,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:18,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:18,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:18,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:18,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:18,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:18,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:18,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:18,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:18,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:18,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:18,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:18,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:18,982 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:18,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:18,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:18,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:18,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:18,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:18,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:18,986 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:18,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:18,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:18,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:18,988 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:18,988 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:18,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:18,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:18,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:18,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:18,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:18,991 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:18,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:18,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:18,993 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_7487ad8e-7553-49c3-a6d8-14d3288f8e54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9339a3186df1139a7984a9803a310ef99d020bdafafac2d122ebd6ff2b132483 [2022-10-17 17:03:19,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:19,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:19,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:19,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:19,346 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:19,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext2-properties/simple_search_value-1.i [2022-10-17 17:03:19,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/data/0dc4350ed/f546c0544d434196beb6c808985e4c52/FLAG48295796d [2022-10-17 17:03:20,058 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:20,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/sv-benchmarks/c/list-ext2-properties/simple_search_value-1.i [2022-10-17 17:03:20,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/data/0dc4350ed/f546c0544d434196beb6c808985e4c52/FLAG48295796d [2022-10-17 17:03:20,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/data/0dc4350ed/f546c0544d434196beb6c808985e4c52 [2022-10-17 17:03:20,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:20,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:20,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:20,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:20,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:20,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:20" (1/1) ... [2022-10-17 17:03:20,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50288b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:20, skipping insertion in model container [2022-10-17 17:03:20,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:20" (1/1) ... [2022-10-17 17:03:20,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:20,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:20,865 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_7487ad8e-7553-49c3-a6d8-14d3288f8e54/sv-benchmarks/c/list-ext2-properties/simple_search_value-1.i[23210,23223] [2022-10-17 17:03:20,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:20,889 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:20,969 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_7487ad8e-7553-49c3-a6d8-14d3288f8e54/sv-benchmarks/c/list-ext2-properties/simple_search_value-1.i[23210,23223] [2022-10-17 17:03:20,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:21,006 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:21,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21 WrapperNode [2022-10-17 17:03:21,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:21,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:21,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:21,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:21,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,083 INFO L138 Inliner]: procedures = 122, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2022-10-17 17:03:21,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:21,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:21,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:21,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:21,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,142 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:21,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:21,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:21,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:21,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:21,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:21,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:21,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7487ad8e-7553-49c3-a6d8-14d3288f8e54/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-10-17 17:03:21,262 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-10-17 17:03:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:03:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:03:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:03:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:03:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:03:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:21,428 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:21,444 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:21,541 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-10-17 17:03:21,697 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:21,765 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:21,765 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:03:21,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:21 BoogieIcfgContainer [2022-10-17 17:03:21,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:21,769 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:21,769 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:21,778 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:21,779 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:21" (1/1) ... [2022-10-17 17:03:21,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 17:03:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 17:03:21,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:03:21,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:21,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:21,989 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 17:03:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-10-17 17:03:22,015 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-10-17 17:03:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:03:22,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:22,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:22,227 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 17:03:22,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2022-10-17 17:03:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-10-17 17:03:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:03:22,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:22,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 17:03:22,835 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 17:03:22,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:03:22,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:22,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:22,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2022-10-17 17:03:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-10-17 17:03:22,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:03:22,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:23,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-10-17 17:03:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-10-17 17:03:23,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:03:23,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:23,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2022-10-17 17:03:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2022-10-17 17:03:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:03:23,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:23,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2022-10-17 17:03:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-10-17 17:03:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:03:24,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:24,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:24,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:24,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-10-17 17:03:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-10-17 17:03:24,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:03:24,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:24,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:25,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2022-10-17 17:03:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-10-17 17:03:25,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:03:25,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:25,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2022-10-17 17:03:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-10-17 17:03:26,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:03:26,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:26,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2022-10-17 17:03:27,215 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2022-10-17 17:03:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:03:27,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:27,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:28,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:28,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2022-10-17 17:03:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-10-17 17:03:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:03:28,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:28,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:03:28,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 56 states and 71 transitions. [2022-10-17 17:03:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-10-17 17:03:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:03:28,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:28,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-10-17 17:03:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 100 states and 145 transitions. [2022-10-17 17:03:45,364 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2022-10-17 17:03:45,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:03:45,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:45,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat