./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_append_unequal.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_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/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_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/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_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/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 8e4e2611155a39995b0fc64ec45d64e4c98f789d2737326ee819380629347be0 --- 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 16:44:32,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:32,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:32,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:32,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:32,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:32,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:32,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:32,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:32,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:32,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:32,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:32,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:32,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:32,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:32,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:32,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:32,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:32,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:32,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:32,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:32,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:32,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:32,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:32,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:32,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:32,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:32,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:32,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:32,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:32,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:32,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:32,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:32,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:32,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:32,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:32,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:32,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:32,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:32,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:32,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:32,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:44:32,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:32,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:32,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:32,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:32,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:32,231 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:32,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:44:32,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:44:32,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:32,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:32,232 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:44:32,233 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:44:32,233 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:44:32,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:32,234 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:32,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:32,235 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:32,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:32,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:32,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:32,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:32,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:32,237 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:44:32,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:44:32,238 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_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4e2611155a39995b0fc64ec45d64e4c98f789d2737326ee819380629347be0 [2022-10-17 16:44:32,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:32,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:32,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:32,590 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:32,595 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:32,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2022-10-17 16:44:32,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/data/08e4c0767/109c63793b654b8b9e489de940982460/FLAG57009f504 [2022-10-17 16:44:33,383 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:33,384 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/sv-benchmarks/c/list-simple/dll2n_append_unequal.i [2022-10-17 16:44:33,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/data/08e4c0767/109c63793b654b8b9e489de940982460/FLAG57009f504 [2022-10-17 16:44:33,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/data/08e4c0767/109c63793b654b8b9e489de940982460 [2022-10-17 16:44:33,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:33,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:33,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:33,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:33,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:33,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:33" (1/1) ... [2022-10-17 16:44:33,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a5db39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:33, skipping insertion in model container [2022-10-17 16:44:33,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:33" (1/1) ... [2022-10-17 16:44:33,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:33,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:34,092 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_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/sv-benchmarks/c/list-simple/dll2n_append_unequal.i[24457,24470] [2022-10-17 16:44:34,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:34,122 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:34,208 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_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/sv-benchmarks/c/list-simple/dll2n_append_unequal.i[24457,24470] [2022-10-17 16:44:34,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:34,250 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:34,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34 WrapperNode [2022-10-17 16:44:34,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:34,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:34,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:34,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:34,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,348 INFO L138 Inliner]: procedures = 127, calls = 40, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 155 [2022-10-17 16:44:34,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:34,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:34,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:34,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:34,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:34,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:34,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:34,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:34,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:34,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:34,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aa643c-3bda-4e9d-a0ce-2e54f559ea9d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:44:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:44:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:44:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:44:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:44:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:44:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:44:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:44:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:44:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:34,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:34,761 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:34,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:35,408 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:35,503 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:35,503 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:44:35,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:35 BoogieIcfgContainer [2022-10-17 16:44:35,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:44:35,507 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:44:35,507 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:44:35,520 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:44:35,520 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:35" (1/1) ... [2022-10-17 16:44:35,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:44:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 100 states and 113 transitions. [2022-10-17 16:44:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2022-10-17 16:44:35,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:35,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:35,933 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 16:44:35,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:35,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 101 states and 115 transitions. [2022-10-17 16:44:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions. [2022-10-17 16:44:35,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:35,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:35,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,153 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 16:44:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 100 states and 114 transitions. [2022-10-17 16:44:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2022-10-17 16:44:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:36,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,360 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 16:44:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 99 states and 113 transitions. [2022-10-17 16:44:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2022-10-17 16:44:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:44:36,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,504 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 16:44:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 98 states and 112 transitions. [2022-10-17 16:44:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2022-10-17 16:44:36,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:44:36,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,626 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 16:44:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 97 states and 111 transitions. [2022-10-17 16:44:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions. [2022-10-17 16:44:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:36,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,714 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 16:44:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 96 states and 110 transitions. [2022-10-17 16:44:36,750 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2022-10-17 16:44:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:36,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,925 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 16:44:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 95 states and 109 transitions. [2022-10-17 16:44:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2022-10-17 16:44:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:37,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:37,164 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 16:44:37,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 94 states and 108 transitions. [2022-10-17 16:44:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2022-10-17 16:44:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:37,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:37,353 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 16:44:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 93 states and 107 transitions. [2022-10-17 16:44:37,659 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2022-10-17 16:44:37,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:37,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:37,722 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 16:44:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2022-10-17 16:44:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2022-10-17 16:44:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:37,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:38,006 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 16:44:38,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:38,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 91 states and 105 transitions. [2022-10-17 16:44:38,201 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2022-10-17 16:44:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:44:38,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:38,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:38,294 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 16:44:38,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2022-10-17 16:44:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2022-10-17 16:44:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:38,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:38,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:38,999 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 16:44:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 108 states and 126 transitions. [2022-10-17 16:44:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2022-10-17 16:44:39,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:44:39,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:39,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 118 states and 142 transitions. [2022-10-17 16:44:41,551 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 142 transitions. [2022-10-17 16:44:41,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:44:41,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:41,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 128 states and 161 transitions. [2022-10-17 16:44:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 161 transitions. [2022-10-17 16:44:43,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:44:43,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:44,150 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 130 states and 164 transitions. [2022-10-17 16:44:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 164 transitions. [2022-10-17 16:44:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:44:45,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:44:45,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 129 states and 163 transitions. [2022-10-17 16:44:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2022-10-17 16:44:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:44:45,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:44:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 162 transitions. [2022-10-17 16:44:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 162 transitions. [2022-10-17 16:44:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:44:45,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:44:46,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 127 states and 161 transitions. [2022-10-17 16:44:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 161 transitions. [2022-10-17 16:44:46,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:44:46,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:44:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 126 states and 160 transitions. [2022-10-17 16:44:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 160 transitions. [2022-10-17 16:44:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:44:46,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:44:46,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 125 states and 159 transitions. [2022-10-17 16:44:46,553 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 159 transitions. [2022-10-17 16:44:46,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:44:46,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:44:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 124 states and 158 transitions. [2022-10-17 16:44:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2022-10-17 16:44:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:44:46,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 149 states and 207 transitions. [2022-10-17 16:44:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2022-10-17 16:44:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:44:52,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:52,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:45:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 174 states and 250 transitions. [2022-10-17 16:45:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 250 transitions. [2022-10-17 16:45:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:45:00,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:00,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:45:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 173 states and 249 transitions. [2022-10-17 16:45:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 249 transitions. [2022-10-17 16:45:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:45:00,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:00,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:45:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:01,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 175 states and 253 transitions. [2022-10-17 16:45:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 253 transitions. [2022-10-17 16:45:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:45:01,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:01,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:45:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 176 states and 255 transitions. [2022-10-17 16:45:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 255 transitions. [2022-10-17 16:45:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:45:02,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:02,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:45:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:02,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 176 states and 254 transitions. [2022-10-17 16:45:02,384 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 254 transitions. [2022-10-17 16:45:02,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:45:02,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:02,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.