./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/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_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c2ed91303515fb47ae50633bb4ba0c83e07781b13d03a95e0e32251f9fc3016 --- 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 16:58:11,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:11,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:11,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:11,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:11,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:11,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:11,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:11,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:11,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:11,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:11,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:11,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:11,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:11,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:11,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:11,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:11,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:11,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:11,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:11,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:11,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:11,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:11,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:11,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:11,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:11,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:11,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:11,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:11,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:11,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:11,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:11,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:11,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:11,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:11,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:11,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:11,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:11,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:11,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:11,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:11,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:58:12,011 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:12,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:12,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:12,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:12,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:12,015 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:12,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:58:12,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:12,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:12,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:12,017 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:58:12,017 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:58:12,018 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:58:12,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:12,018 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:12,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:12,019 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:12,019 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:12,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:12,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:12,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:12,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:12,020 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:12,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:12,021 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_52917e76-2ca7-40b5-94a0-fbdaf57b854a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c2ed91303515fb47ae50633bb4ba0c83e07781b13d03a95e0e32251f9fc3016 [2022-10-17 16:58:12,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:12,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:12,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:12,354 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:12,354 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:12,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2c_remove_all.i [2022-10-17 16:58:12,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/data/0dc7f155c/dd6c20ec9cf04b65b6bb4c273b5abe4b/FLAGdff5950d4 [2022-10-17 16:58:13,064 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:13,065 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/sv-benchmarks/c/list-simple/dll2c_remove_all.i [2022-10-17 16:58:13,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/data/0dc7f155c/dd6c20ec9cf04b65b6bb4c273b5abe4b/FLAGdff5950d4 [2022-10-17 16:58:13,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/data/0dc7f155c/dd6c20ec9cf04b65b6bb4c273b5abe4b [2022-10-17 16:58:13,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:13,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:13,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:13,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:13,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:13,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14fadd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13, skipping insertion in model container [2022-10-17 16:58:13,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:13,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:13,809 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_52917e76-2ca7-40b5-94a0-fbdaf57b854a/sv-benchmarks/c/list-simple/dll2c_remove_all.i[24169,24182] [2022-10-17 16:58:13,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:13,837 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:13,903 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_52917e76-2ca7-40b5-94a0-fbdaf57b854a/sv-benchmarks/c/list-simple/dll2c_remove_all.i[24169,24182] [2022-10-17 16:58:13,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:13,944 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:13,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13 WrapperNode [2022-10-17 16:58:13,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:13,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:13,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:13,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:13,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:13,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,031 INFO L138 Inliner]: procedures = 126, calls = 38, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 125 [2022-10-17 16:58:14,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:14,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:14,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:14,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:14,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:14,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:14,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:14,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:14,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:13" (1/1) ... [2022-10-17 16:58:14,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:14,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:14,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:14,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52917e76-2ca7-40b5-94a0-fbdaf57b854a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:58:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:58:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:58:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:58:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:58:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:58:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:58:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:14,373 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:14,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:14,910 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:14,975 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:14,976 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:58:14,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:14 BoogieIcfgContainer [2022-10-17 16:58:14,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:14,981 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:14,981 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:14,991 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:14,992 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:14" (1/1) ... [2022-10-17 16:58:15,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2022-10-17 16:58:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2022-10-17 16:58:15,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:58:15,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:15,363 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 16:58:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 94 states and 100 transitions. [2022-10-17 16:58:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2022-10-17 16:58:15,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:58:15,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:15,597 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 16:58:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 93 states and 99 transitions. [2022-10-17 16:58:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2022-10-17 16:58:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:58:15,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:15,774 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 16:58:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 92 states and 98 transitions. [2022-10-17 16:58:15,794 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2022-10-17 16:58:15,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:58:15,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:15,888 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 16:58:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2022-10-17 16:58:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2022-10-17 16:58:15,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:58:15,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:16,044 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 16:58:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2022-10-17 16:58:16,068 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2022-10-17 16:58:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:58:16,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:16,177 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 16:58:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 89 states and 95 transitions. [2022-10-17 16:58:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2022-10-17 16:58:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:58:16,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:16,269 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 16:58:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 90 states and 97 transitions. [2022-10-17 16:58:16,500 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2022-10-17 16:58:16,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:58:16,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:16,581 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 16:58:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2022-10-17 16:58:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2022-10-17 16:58:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:58:16,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:16,676 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 16:58:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2022-10-17 16:58:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2022-10-17 16:58:16,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:58:16,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:16,735 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 16:58:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2022-10-17 16:58:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2022-10-17 16:58:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:58:16,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:16,822 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 16:58:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 86 states and 93 transitions. [2022-10-17 16:58:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2022-10-17 16:58:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:58:16,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:16,965 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 16:58:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2022-10-17 16:58:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2022-10-17 16:58:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:58:16,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:17,063 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 16:58:17,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2022-10-17 16:58:17,084 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2022-10-17 16:58:17,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:58:17,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:17,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:17,163 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 16:58:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2022-10-17 16:58:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2022-10-17 16:58:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:58:17,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:17,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:17,372 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 16:58:17,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:17,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2022-10-17 16:58:17,550 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2022-10-17 16:58:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:58:17,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:17,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:17,800 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 16:58:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2022-10-17 16:58:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2022-10-17 16:58:18,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:58:18,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:18,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:18,817 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 16:58:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 98 states and 115 transitions. [2022-10-17 16:58:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2022-10-17 16:58:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:19,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:19,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 122 transitions. [2022-10-17 16:58:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2022-10-17 16:58:21,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:58:21,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:21,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:21,749 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 16:58:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:23,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 115 states and 150 transitions. [2022-10-17 16:58:23,813 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 150 transitions. [2022-10-17 16:58:23,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:58:23,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:23,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:24,218 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 16:58:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 126 states and 181 transitions. [2022-10-17 16:58:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 181 transitions. [2022-10-17 16:58:27,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:27,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:27,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:27,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 130 states and 194 transitions. [2022-10-17 16:58:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 194 transitions. [2022-10-17 16:58:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:28,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:28,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:31,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:31,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2022-10-17 16:58:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2022-10-17 16:58:31,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:58:31,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:31,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,693 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 16:58:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 148 states and 250 transitions. [2022-10-17 16:58:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 250 transitions. [2022-10-17 16:58:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:58:37,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:37,904 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 16:58:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 162 states and 289 transitions. [2022-10-17 16:58:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 289 transitions. [2022-10-17 16:58:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:58:43,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:43,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:44,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.