./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.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_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/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_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/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_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/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 b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 --- 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 17:05:11,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:11,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:11,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:11,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:11,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:11,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:11,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:11,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:11,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:11,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:11,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:11,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:11,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:11,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:11,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:11,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:11,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:11,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:11,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:11,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:11,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:11,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:11,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:11,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:11,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:11,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:11,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:11,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:11,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:11,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:11,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:11,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:11,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:11,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:11,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:11,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:11,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:11,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:11,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:11,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:11,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:05:11,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:11,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:11,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:11,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:11,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:11,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:11,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:05:11,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:11,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:11,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:11,231 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:05:11,231 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:05:11,232 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:05:11,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:11,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:11,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:11,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:11,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:11,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:11,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:11,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:11,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:11,234 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:11,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:11,235 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_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 [2022-10-17 17:05:11,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:11,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:11,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:11,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:11,557 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:11,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2022-10-17 17:05:11,639 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/data/7de563ed0/425f9a51086e4c00a95283947963d553/FLAG0f01263ab [2022-10-17 17:05:12,148 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:12,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2022-10-17 17:05:12,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/data/7de563ed0/425f9a51086e4c00a95283947963d553/FLAG0f01263ab [2022-10-17 17:05:12,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/data/7de563ed0/425f9a51086e4c00a95283947963d553 [2022-10-17 17:05:12,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:12,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:12,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:12,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:12,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:12,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e877bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:12, skipping insertion in model container [2022-10-17 17:05:12,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:12" (1/1) ... [2022-10-17 17:05:12,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:12,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:12,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:12,919 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:12,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:13,023 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:13,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13 WrapperNode [2022-10-17 17:05:13,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:13,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:13,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:13,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:13,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,108 INFO L138 Inliner]: procedures = 126, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2022-10-17 17:05:13,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:13,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:13,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:13,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:13,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:13,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:13,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:13,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:13,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:13,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:13,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1f6469-14c4-461a-b0cf-cd166bf5ca03/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:05:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:05:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:05:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:05:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:05:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:05:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:13,362 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:13,364 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:13,819 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:13,879 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:13,879 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:05:13,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:13 BoogieIcfgContainer [2022-10-17 17:05:13,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:13,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:13,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:13,913 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:13,913 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:13" (1/1) ... [2022-10-17 17:05:13,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2022-10-17 17:05:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-10-17 17:05:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:05:14,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:14,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:14,477 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 17:05:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2022-10-17 17:05:14,545 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2022-10-17 17:05:14,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:05:14,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:14,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:14,772 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 17:05:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2022-10-17 17:05:14,982 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2022-10-17 17:05:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:05:14,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:14,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:15,100 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 17:05:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2022-10-17 17:05:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2022-10-17 17:05:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:05:15,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:15,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:15,376 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 17:05:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 85 states and 95 transitions. [2022-10-17 17:05:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2022-10-17 17:05:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:05:15,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:15,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:15,782 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 17:05:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2022-10-17 17:05:15,860 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2022-10-17 17:05:15,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:05:15,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:15,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:15,897 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 17:05:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2022-10-17 17:05:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2022-10-17 17:05:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:16,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:16,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:16,451 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 17:05:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 91 states and 106 transitions. [2022-10-17 17:05:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2022-10-17 17:05:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:17,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:17,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:17,823 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 17:05:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2022-10-17 17:05:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2022-10-17 17:05:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:18,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:18,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:18,548 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 17:05:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 95 states and 115 transitions. [2022-10-17 17:05:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 115 transitions. [2022-10-17 17:05:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:05:18,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:18,745 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 17:05:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 99 states and 124 transitions. [2022-10-17 17:05:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2022-10-17 17:05:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:05:19,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:19,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:19,960 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 17:05:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 104 states and 134 transitions. [2022-10-17 17:05:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2022-10-17 17:05:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:05:21,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:21,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 109 states and 146 transitions. [2022-10-17 17:05:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 146 transitions. [2022-10-17 17:05:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:23,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:23,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:24,094 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 17:05:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 112 states and 153 transitions. [2022-10-17 17:05:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2022-10-17 17:05:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:24,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:24,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:24,466 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 17:05:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 115 states and 159 transitions. [2022-10-17 17:05:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2022-10-17 17:05:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:24,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:24,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:24,776 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 17:05:25,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 115 states and 158 transitions. [2022-10-17 17:05:25,167 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2022-10-17 17:05:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:25,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:25,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:25,279 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 17:05:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 116 states and 160 transitions. [2022-10-17 17:05:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2022-10-17 17:05:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:25,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:25,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:25,442 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 17:05:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 125 states and 180 transitions. [2022-10-17 17:05:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2022-10-17 17:05:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:05:27,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:27,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:28,516 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 17:05:29,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 130 states and 192 transitions. [2022-10-17 17:05:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2022-10-17 17:05:29,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:05:29,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:29,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:30,389 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 17:05:32,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:32,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 136 states and 205 transitions. [2022-10-17 17:05:32,135 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2022-10-17 17:05:32,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:32,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:32,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:32,181 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 17:05:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 137 states and 207 transitions. [2022-10-17 17:05:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2022-10-17 17:05:32,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:32,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:32,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:32,649 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 17:05:33,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:33,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 139 states and 210 transitions. [2022-10-17 17:05:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2022-10-17 17:05:33,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:05:33,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:33,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:33,374 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 17:05:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 141 states and 213 transitions. [2022-10-17 17:05:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 213 transitions. [2022-10-17 17:05:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:05:34,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:34,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:34,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:05:34,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:34,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 140 states and 212 transitions. [2022-10-17 17:05:34,750 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 212 transitions. [2022-10-17 17:05:34,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:05:34,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:34,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:05:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 142 states and 214 transitions. [2022-10-17 17:05:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 214 transitions. [2022-10-17 17:05:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:35,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:35,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:36,006 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 17:05:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2022-10-17 17:05:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2022-10-17 17:05:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:41,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.