./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/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_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/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_8e4ef056-ffbb-4466-8f27-09d9501f74b1/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 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:00:28,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:28,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:28,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:28,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:28,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:28,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:28,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:28,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:28,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:28,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:28,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:28,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:28,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:28,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:28,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:28,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:28,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:28,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:28,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:28,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:28,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:28,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:28,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:28,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:28,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:28,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:28,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:28,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:28,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:28,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:28,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:28,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:28,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:28,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:28,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:28,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:28,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:28,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:28,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:28,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:28,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:00:28,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:28,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:28,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:28,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:28,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:28,290 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:28,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:00:28,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:28,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:28,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:28,291 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:00:28,291 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:00:28,292 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:00:28,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:28,297 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:28,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:28,297 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:28,297 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:28,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:28,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:28,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:28,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:28,299 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:28,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:28,300 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_8e4ef056-ffbb-4466-8f27-09d9501f74b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a [2022-10-17 17:00:28,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:28,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:28,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:28,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:28,650 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:28,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/sll2n_update_all.i [2022-10-17 17:00:28,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/data/2c76b05fb/3783ee60f16d4048ab6b06270da53bb1/FLAG0460cdd75 [2022-10-17 17:00:29,310 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:29,311 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/sv-benchmarks/c/list-simple/sll2n_update_all.i [2022-10-17 17:00:29,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/data/2c76b05fb/3783ee60f16d4048ab6b06270da53bb1/FLAG0460cdd75 [2022-10-17 17:00:29,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/data/2c76b05fb/3783ee60f16d4048ab6b06270da53bb1 [2022-10-17 17:00:29,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:29,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:29,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:29,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:29,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:29,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:29" (1/1) ... [2022-10-17 17:00:29,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad45016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:29, skipping insertion in model container [2022-10-17 17:00:29,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:29" (1/1) ... [2022-10-17 17:00:29,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:29,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:30,038 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_8e4ef056-ffbb-4466-8f27-09d9501f74b1/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2022-10-17 17:00:30,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:30,050 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:30,100 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_8e4ef056-ffbb-4466-8f27-09d9501f74b1/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2022-10-17 17:00:30,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:30,143 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:30,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30 WrapperNode [2022-10-17 17:00:30,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:30,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:30,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:30,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:30,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,231 INFO L138 Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2022-10-17 17:00:30,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:30,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:30,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:30,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:30,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,304 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:30,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:30,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:30,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:30,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:30,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:30,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:30,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:30,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e4ef056-ffbb-4466-8f27-09d9501f74b1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:00:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:00:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:00:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:30,522 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:30,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:30,904 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:30,973 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:30,973 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 17:00:30,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:30 BoogieIcfgContainer [2022-10-17 17:00:30,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:30,977 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:30,978 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:30,990 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:30,990 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:30" (1/1) ... [2022-10-17 17:00:31,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-10-17 17:00:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-10-17 17:00:31,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:00:31,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-10-17 17:00:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-10-17 17:00:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:00:31,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:31,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-10-17 17:00:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-10-17 17:00:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:00:31,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2022-10-17 17:00:31,824 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-10-17 17:00:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:00:31,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2022-10-17 17:00:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2022-10-17 17:00:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:00:31,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:32,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2022-10-17 17:00:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-10-17 17:00:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:32,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:32,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2022-10-17 17:00:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-10-17 17:00:32,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:32,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:32,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:32,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:32,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2022-10-17 17:00:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-10-17 17:00:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:00:32,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:32,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:32,855 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 17:00:33,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2022-10-17 17:00:33,234 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-10-17 17:00:33,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:00:33,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:33,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:00:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2022-10-17 17:00:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2022-10-17 17:00:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:00:33,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:33,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:00:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2022-10-17 17:00:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-10-17 17:00:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:00:34,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:34,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:00:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2022-10-17 17:00:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2022-10-17 17:00:36,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:00:36,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:36,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:00:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2022-10-17 17:00:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2022-10-17 17:00:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:00:38,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:38,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:00:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 59 states and 93 transitions. [2022-10-17 17:00:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2022-10-17 17:00:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:00:39,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:39,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:42,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 65 states and 119 transitions. [2022-10-17 17:00:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 119 transitions. [2022-10-17 17:00:42,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:00:42,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:42,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:00:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 68 states and 126 transitions. [2022-10-17 17:00:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2022-10-17 17:00:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:00:42,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:42,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:42,971 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:00:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 71 states and 135 transitions. [2022-10-17 17:00:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2022-10-17 17:00:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:00:44,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:44,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:00:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:45,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 144 transitions. [2022-10-17 17:00:45,387 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 144 transitions. [2022-10-17 17:00:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:00:45,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:45,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:00:51,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 80 states and 165 transitions. [2022-10-17 17:00:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 165 transitions. [2022-10-17 17:00:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:00:51,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:51,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:00:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 81 states and 167 transitions. [2022-10-17 17:00:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 167 transitions. [2022-10-17 17:00:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:00:52,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:52,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:01:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 87 states and 190 transitions. [2022-10-17 17:01:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 190 transitions. [2022-10-17 17:01:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:01:00,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:00,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:01,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.