./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_insert_equal.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_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/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_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/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_03c6727b-105b-47e1-9150-ef7622e5d963/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 93d1510274ba16ddd1276e8e93ff0a644bf6fb4a262c4c9dde32fe8591d5ce8c --- 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 16:39:25,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:25,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:25,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:25,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:25,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:25,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:25,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:25,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:25,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:25,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:25,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:25,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:25,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:25,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:25,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:25,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:25,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:25,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:25,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:25,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:25,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:25,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:25,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:25,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:25,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:25,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:25,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:25,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:25,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:25,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:25,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:25,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:25,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:25,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:25,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:25,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:25,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:25,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:25,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:25,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:25,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:39:25,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:25,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:25,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:25,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:25,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:25,265 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:25,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:39:25,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:25,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:25,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:25,266 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:39:25,267 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:39:25,267 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:39:25,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:25,267 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:25,268 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:25,268 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:25,268 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:25,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:25,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:25,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:25,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:25,270 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:25,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:25,270 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_03c6727b-105b-47e1-9150-ef7622e5d963/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93d1510274ba16ddd1276e8e93ff0a644bf6fb4a262c4c9dde32fe8591d5ce8c [2022-10-17 16:39:25,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:25,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:25,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:25,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:25,616 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:25,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2n_insert_equal.i [2022-10-17 16:39:25,690 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/data/91322fd50/456154edfa9648ecb7120964122587b4/FLAG908d0ad65 [2022-10-17 16:39:26,224 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:26,225 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/sv-benchmarks/c/list-simple/dll2n_insert_equal.i [2022-10-17 16:39:26,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/data/91322fd50/456154edfa9648ecb7120964122587b4/FLAG908d0ad65 [2022-10-17 16:39:26,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/data/91322fd50/456154edfa9648ecb7120964122587b4 [2022-10-17 16:39:26,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:26,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:26,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:26,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:26,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:26,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:26" (1/1) ... [2022-10-17 16:39:26,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413ebddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:26, skipping insertion in model container [2022-10-17 16:39:26,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:26" (1/1) ... [2022-10-17 16:39:26,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:26,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:27,026 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_03c6727b-105b-47e1-9150-ef7622e5d963/sv-benchmarks/c/list-simple/dll2n_insert_equal.i[24706,24719] [2022-10-17 16:39:27,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:27,046 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:27,116 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_03c6727b-105b-47e1-9150-ef7622e5d963/sv-benchmarks/c/list-simple/dll2n_insert_equal.i[24706,24719] [2022-10-17 16:39:27,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:27,155 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:27,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27 WrapperNode [2022-10-17 16:39:27,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:27,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:27,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:27,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:27,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,235 INFO L138 Inliner]: procedures = 127, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2022-10-17 16:39:27,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:27,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:27,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:27,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:27,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,289 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:27,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:27,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:27,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:27,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:27" (1/1) ... [2022-10-17 16:39:27,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:27,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:27,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:27,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c6727b-105b-47e1-9150-ef7622e5d963/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:39:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:39:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:39:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:39:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:39:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:39:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:27,506 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:27,507 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:28,113 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:28,210 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:28,210 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:39:28,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:28 BoogieIcfgContainer [2022-10-17 16:39:28,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:28,217 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:28,218 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:28,229 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:28,229 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:28" (1/1) ... [2022-10-17 16:39:28,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 100 states and 111 transitions. [2022-10-17 16:39:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 111 transitions. [2022-10-17 16:39:28,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:28,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:28,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:28,605 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 16:39:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:28,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 101 states and 113 transitions. [2022-10-17 16:39:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2022-10-17 16:39:28,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:28,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:28,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:28,759 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 16:39:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 100 states and 112 transitions. [2022-10-17 16:39:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2022-10-17 16:39:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:28,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:28,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:28,962 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 16:39:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 99 states and 111 transitions. [2022-10-17 16:39:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2022-10-17 16:39:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:39:29,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:29,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,130 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 16:39:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 98 states and 110 transitions. [2022-10-17 16:39:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2022-10-17 16:39:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:39:29,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:29,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,271 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 16:39:29,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:29,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 97 states and 109 transitions. [2022-10-17 16:39:29,461 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2022-10-17 16:39:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:29,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,509 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 16:39:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:29,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 96 states and 108 transitions. [2022-10-17 16:39:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 108 transitions. [2022-10-17 16:39:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:29,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:29,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,624 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 16:39:29,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:29,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 95 states and 107 transitions. [2022-10-17 16:39:29,650 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2022-10-17 16:39:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:29,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:29,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,724 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 16:39:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 101 states and 115 transitions. [2022-10-17 16:39:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions. [2022-10-17 16:39:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:39:30,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:30,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:39:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 100 states and 114 transitions. [2022-10-17 16:39:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2022-10-17 16:39:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:39:30,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:30,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:30,431 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 16:39:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 107 states and 123 transitions. [2022-10-17 16:39:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2022-10-17 16:39:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:30,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:30,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 115 states and 137 transitions. [2022-10-17 16:39:32,064 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 137 transitions. [2022-10-17 16:39:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:32,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:32,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 123 states and 154 transitions. [2022-10-17 16:39:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 154 transitions. [2022-10-17 16:39:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:39:33,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:33,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 125 states and 157 transitions. [2022-10-17 16:39:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 157 transitions. [2022-10-17 16:39:34,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:39:34,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 124 states and 156 transitions. [2022-10-17 16:39:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 156 transitions. [2022-10-17 16:39:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:39:35,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 123 states and 155 transitions. [2022-10-17 16:39:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 155 transitions. [2022-10-17 16:39:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:39:35,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:35,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:35,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 122 states and 154 transitions. [2022-10-17 16:39:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 154 transitions. [2022-10-17 16:39:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:39:35,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:35,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 121 states and 153 transitions. [2022-10-17 16:39:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 153 transitions. [2022-10-17 16:39:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:39:35,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:39:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 120 states and 152 transitions. [2022-10-17 16:39:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2022-10-17 16:39:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:39:35,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:39:40,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 141 states and 199 transitions. [2022-10-17 16:39:40,411 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 199 transitions. [2022-10-17 16:39:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:39:40,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:40,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:39:46,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:46,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2022-10-17 16:39:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2022-10-17 16:39:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:39:46,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:46,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions. [2022-10-17 16:39:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2022-10-17 16:39:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:39:50,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:50,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:39:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 94 states and 105 transitions. [2022-10-17 16:39:55,676 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2022-10-17 16:39:55,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:39:55,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:55,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.