./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ --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 a81d76a671fec08918102c7898e8919d02b265d05707efa1508363dab4714d44 --- 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-6b4ec56 [2022-11-20 17:02:06,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:02:06,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:02:06,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:02:06,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:02:06,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:02:06,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:02:06,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:02:06,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:02:06,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:02:06,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:02:06,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:02:06,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:02:06,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:02:06,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:02:06,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:02:06,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:02:06,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:02:06,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:02:06,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:02:06,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:02:06,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:02:06,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:02:06,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:02:06,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:02:06,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:02:06,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:02:06,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:02:06,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:02:06,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:02:06,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:02:06,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:02:06,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:02:06,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:02:06,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:02:06,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:02:06,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:02:06,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:02:06,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:02:06,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:02:06,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:02:06,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:02:06,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:02:06,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:02:06,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:02:06,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:02:06,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:02:06,234 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:02:06,234 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:02:06,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:02:06,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:02:06,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:02:06,235 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:02:06,236 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:02:06,236 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:02:06,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:02:06,236 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:02:06,236 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:02:06,236 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:02:06,237 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:02:06,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:02:06,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:02:06,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:02:06,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:02:06,238 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:02:06,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:02:06,238 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_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a81d76a671fec08918102c7898e8919d02b265d05707efa1508363dab4714d44 [2022-11-20 17:02:06,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:02:06,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:02:06,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:02:06,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:02:06,600 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:02:06,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2022-11-20 17:02:09,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:02:10,055 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:02:10,055 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2022-11-20 17:02:10,067 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/data/276308a41/882b26620e7d4fc0bbe51a368fdba259/FLAG51532cfaa [2022-11-20 17:02:10,082 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/data/276308a41/882b26620e7d4fc0bbe51a368fdba259 [2022-11-20 17:02:10,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:02:10,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:02:10,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:02:10,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:02:10,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:02:10,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642989bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10, skipping insertion in model container [2022-11-20 17:02:10,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:02:10,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:02:10,496 WARN L237 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_f6273ec5-a867-4e83-acb1-3480e80c1832/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i[24177,24190] [2022-11-20 17:02:10,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:02:10,514 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:02:10,553 WARN L237 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_f6273ec5-a867-4e83-acb1-3480e80c1832/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i[24177,24190] [2022-11-20 17:02:10,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:02:10,581 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:02:10,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10 WrapperNode [2022-11-20 17:02:10,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:02:10,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:02:10,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:02:10,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:02:10,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,635 INFO L138 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 125 [2022-11-20 17:02:10,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:02:10,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:02:10,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:02:10,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:02:10,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,664 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:02:10,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:02:10,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:02:10,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:02:10,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:10" (1/1) ... [2022-11-20 17:02:10,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:02:10,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:02:10,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:02:10,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6273ec5-a867-4e83-acb1-3480e80c1832/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:02:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:02:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:02:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:02:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:02:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:02:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:02:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:02:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:02:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:02:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:02:10,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:02:10,919 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:02:10,921 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:02:11,364 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:02:11,414 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:02:11,414 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:02:11,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:11 BoogieIcfgContainer [2022-11-20 17:02:11,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:02:11,419 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:02:11,419 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:02:11,428 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:02:11,428 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:11" (1/1) ... [2022-11-20 17:02:11,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:02:11,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 92 states and 98 transitions. [2022-11-20 17:02:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2022-11-20 17:02:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:02:11,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:11,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2022-11-20 17:02:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2022-11-20 17:02:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:02:11,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2022-11-20 17:02:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2022-11-20 17:02:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:02:12,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:12,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:12,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:12,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 89 states and 95 transitions. [2022-11-20 17:02:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2022-11-20 17:02:12,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:02:12,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:12,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 88 states and 94 transitions. [2022-11-20 17:02:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2022-11-20 17:02:12,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:02:12,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:12,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:12,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 87 states and 93 transitions. [2022-11-20 17:02:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2022-11-20 17:02:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:02:12,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:12,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 86 states and 92 transitions. [2022-11-20 17:02:12,515 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2022-11-20 17:02:12,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:02:12,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:12,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:12,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2022-11-20 17:02:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2022-11-20 17:02:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:02:12,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:12,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 86 states and 93 transitions. [2022-11-20 17:02:12,853 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2022-11-20 17:02:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:02:12,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:12,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2022-11-20 17:02:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2022-11-20 17:02:12,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:02:12,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:12,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2022-11-20 17:02:13,053 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2022-11-20 17:02:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:02:13,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:13,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2022-11-20 17:02:13,162 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2022-11-20 17:02:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:02:13,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:13,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2022-11-20 17:02:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2022-11-20 17:02:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:02:13,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:13,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2022-11-20 17:02:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2022-11-20 17:02:13,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:02:13,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:13,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 80 states and 87 transitions. [2022-11-20 17:02:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2022-11-20 17:02:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:02:13,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:13,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2022-11-20 17:02:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2022-11-20 17:02:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:02:14,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:14,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:14,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 87 states and 99 transitions. [2022-11-20 17:02:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2022-11-20 17:02:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:02:14,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:14,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:16,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2022-11-20 17:02:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2022-11-20 17:02:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:02:16,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:16,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 101 states and 120 transitions. [2022-11-20 17:02:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2022-11-20 17:02:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:02:17,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:17,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:19,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:19,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 149 transitions. [2022-11-20 17:02:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions. [2022-11-20 17:02:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:02:19,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:19,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 123 states and 181 transitions. [2022-11-20 17:02:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 181 transitions. [2022-11-20 17:02:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:02:23,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:23,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:25,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 128 states and 196 transitions. [2022-11-20 17:02:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2022-11-20 17:02:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:02:25,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:25,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:28,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:28,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 133 states and 215 transitions. [2022-11-20 17:02:28,564 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 215 transitions. [2022-11-20 17:02:28,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:02:28,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:28,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 147 states and 255 transitions. [2022-11-20 17:02:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 255 transitions. [2022-11-20 17:02:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:02:35,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:35,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:36,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 161 states and 298 transitions. [2022-11-20 17:02:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 298 transitions. [2022-11-20 17:02:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:02:45,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:45,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:02:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:54,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 174 states and 339 transitions. [2022-11-20 17:02:54,044 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 339 transitions. [2022-11-20 17:02:54,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:02:54,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:54,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:02:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 177 states and 345 transitions. [2022-11-20 17:02:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 345 transitions. [2022-11-20 17:02:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:02:56,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:56,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:57,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 185 states and 372 transitions. [2022-11-20 17:03:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 372 transitions. [2022-11-20 17:03:06,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:03:06,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:06,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:06,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:03:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 186 states and 374 transitions. [2022-11-20 17:03:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 374 transitions. [2022-11-20 17:03:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:03:07,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:07,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:03:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 188 states and 378 transitions. [2022-11-20 17:03:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 378 transitions. [2022-11-20 17:03:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:03:10,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:10,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:29,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:29,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 206 states and 416 transitions. [2022-11-20 17:03:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 416 transitions. [2022-11-20 17:03:29,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:03:29,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:29,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:31,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 212 states and 427 transitions. [2022-11-20 17:03:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 427 transitions. [2022-11-20 17:03:40,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:03:40,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:40,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:03:41,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:41,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 213 states and 430 transitions. [2022-11-20 17:03:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 430 transitions. [2022-11-20 17:03:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:03:41,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:41,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:03:42,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 215 states and 435 transitions. [2022-11-20 17:03:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 435 transitions. [2022-11-20 17:03:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:03:42,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:42,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 216 states and 435 transitions. [2022-11-20 17:03:47,457 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 435 transitions. [2022-11-20 17:03:47,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:03:47,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:47,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 224 states and 450 transitions. [2022-11-20 17:03:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 450 transitions. [2022-11-20 17:03:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:03:53,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:53,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 228 states and 458 transitions. [2022-11-20 17:03:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 458 transitions. [2022-11-20 17:03:59,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:03:59,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:59,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:00,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 106 states and 143 transitions. [2022-11-20 17:04:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 143 transitions. [2022-11-20 17:04:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:04:00,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:00,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 157 transitions. [2022-11-20 17:04:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2022-11-20 17:04:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:04:29,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:29,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:31,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:56,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 173 transitions. [2022-11-20 17:04:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2022-11-20 17:04:56,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:04:56,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:58,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 121 states and 172 transitions. [2022-11-20 17:04:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2022-11-20 17:04:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:04:58,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:58,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:05:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 127 states and 184 transitions. [2022-11-20 17:05:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2022-11-20 17:05:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:05:09,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:09,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:05:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 137 states and 204 transitions. [2022-11-20 17:05:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 204 transitions. [2022-11-20 17:05:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:05:48,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:48,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:05:55,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:05:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 142 states and 209 transitions. [2022-11-20 17:05:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2022-11-20 17:05:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:05:55,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:05:55,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:05:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:05:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 149 states and 225 transitions. [2022-11-20 17:06:11,616 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 225 transitions. [2022-11-20 17:06:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:06:11,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:11,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:17,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2022-11-20 17:06:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2022-11-20 17:06:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:06:17,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:17,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 159 states and 239 transitions. [2022-11-20 17:06:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 239 transitions. [2022-11-20 17:06:41,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:06:41,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:41,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:03,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 167 states and 252 transitions. [2022-11-20 17:07:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2022-11-20 17:07:03,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:07:03,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:03,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:07:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 168 states and 254 transitions. [2022-11-20 17:07:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 254 transitions. [2022-11-20 17:07:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:07:04,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:07:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 170 states and 257 transitions. [2022-11-20 17:07:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 257 transitions. [2022-11-20 17:07:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:07:07,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:07,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:23,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:23,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 183 states and 280 transitions. [2022-11-20 17:08:23,089 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 280 transitions. [2022-11-20 17:08:23,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:08:23,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:23,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:10:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:02,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 196 states and 303 transitions. [2022-11-20 17:10:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 303 transitions. [2022-11-20 17:10:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:10:02,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:02,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:10:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:42,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 207 states and 331 transitions. [2022-11-20 17:10:42,703 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 331 transitions. [2022-11-20 17:10:42,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:10:42,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:42,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:10:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 209 states and 336 transitions. [2022-11-20 17:10:46,376 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 336 transitions. [2022-11-20 17:10:46,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:10:46,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:46,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:11:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 220 states and 372 transitions. [2022-11-20 17:11:25,980 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 372 transitions. [2022-11-20 17:11:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:11:25,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:25,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:11:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 221 states and 374 transitions. [2022-11-20 17:11:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 374 transitions. [2022-11-20 17:11:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:11:28,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:28,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 226 states and 382 transitions. [2022-11-20 17:12:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 382 transitions. [2022-11-20 17:12:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:12:33,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:33,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:13:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 235 states and 400 transitions. [2022-11-20 17:13:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 400 transitions. [2022-11-20 17:13:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:13:04,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:04,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:13:34,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 243 states and 415 transitions. [2022-11-20 17:13:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 415 transitions. [2022-11-20 17:13:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:13:34,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:34,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:14:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 251 states and 428 transitions. [2022-11-20 17:14:04,199 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 428 transitions. [2022-11-20 17:14:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:14:04,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:04,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 262 states and 452 transitions. [2022-11-20 17:15:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 452 transitions. [2022-11-20 17:15:04,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:15:04,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:04,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:17,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.