./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/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_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/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_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/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 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 --- 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 17:00:30,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:30,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:30,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:30,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:30,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:30,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:30,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:30,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:30,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:30,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:30,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:30,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:30,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:30,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:30,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:30,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:30,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:30,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:30,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:30,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:30,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:30,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:30,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:30,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:30,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:30,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:30,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:30,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:30,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:30,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:30,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:30,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:30,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:30,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:30,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:30,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:30,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:30,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:30,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:30,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:30,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:00:30,375 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:30,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:30,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:30,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:30,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:30,378 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:30,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:00:30,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:30,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:30,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:30,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:00:30,379 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:00:30,379 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:00:30,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:30,380 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:30,380 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:30,380 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:30,380 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:30,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:30,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:30,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:30,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:30,382 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:30,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:30,382 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_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 [2022-10-17 17:00:30,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:30,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:30,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:30,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:30,779 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:30,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2022-10-17 17:00:30,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/data/a472756b8/d847483326f241778da8cc89f51d0a9a/FLAG50386e869 [2022-10-17 17:00:31,422 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:31,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2022-10-17 17:00:31,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/data/a472756b8/d847483326f241778da8cc89f51d0a9a/FLAG50386e869 [2022-10-17 17:00:31,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/data/a472756b8/d847483326f241778da8cc89f51d0a9a [2022-10-17 17:00:31,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:31,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:31,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:31,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:31,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:31,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:31" (1/1) ... [2022-10-17 17:00:31,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361211a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:31, skipping insertion in model container [2022-10-17 17:00:31,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:31" (1/1) ... [2022-10-17 17:00:31,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:31,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:32,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:32,166 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:32,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:32,235 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:32,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32 WrapperNode [2022-10-17 17:00:32,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:32,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:32,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:32,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:32,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,286 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-10-17 17:00:32,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:32,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:32,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:32,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:32,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,314 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:32,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:32,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:32,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:32,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:32,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:32,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:32,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bb8a2-e7d9-4144-8572-ac9e9154e8b8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:32,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:32,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:32,524 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:32,526 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:32,809 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:32,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:32,943 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:00:32,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:32 BoogieIcfgContainer [2022-10-17 17:00:32,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:32,947 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:32,947 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:32,959 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:32,959 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:32" (1/1) ... [2022-10-17 17:00:32,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2022-10-17 17:00:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-10-17 17:00:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:00:33,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:33,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:33,390 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 17:00:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2022-10-17 17:00:33,441 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-10-17 17:00:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:00:33,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:33,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:33,734 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 17:00:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-10-17 17:00:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-10-17 17:00:34,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:00:34,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:34,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:34,146 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 17:00:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2022-10-17 17:00:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-10-17 17:00:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:00:34,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:34,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:35,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2022-10-17 17:00:35,333 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-10-17 17:00:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:35,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:00:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-10-17 17:00:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-10-17 17:00:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:35,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-10-17 17:00:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-10-17 17:00:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:36,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:36,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:37,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:37,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-10-17 17:00:37,209 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-10-17 17:00:37,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:37,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:37,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:37,519 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 17:00:38,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:38,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2022-10-17 17:00:38,517 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2022-10-17 17:00:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:38,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:38,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:38,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:38,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2022-10-17 17:00:38,568 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2022-10-17 17:00:38,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:38,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:38,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:38,892 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 17:00:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2022-10-17 17:00:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2022-10-17 17:00:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:00:40,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:40,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:41,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:41,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2022-10-17 17:00:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2022-10-17 17:00:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:00:41,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:41,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2022-10-17 17:00:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2022-10-17 17:00:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:00:41,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2022-10-17 17:00:44,121 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2022-10-17 17:00:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:00:44,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:44,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2022-10-17 17:00:45,278 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2022-10-17 17:00:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:00:45,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:45,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:00:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2022-10-17 17:00:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2022-10-17 17:00:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:00:45,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:00:45,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2022-10-17 17:00:45,765 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2022-10-17 17:00:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:00:45,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:45,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:00:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2022-10-17 17:00:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2022-10-17 17:00:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:00:47,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:47,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2022-10-17 17:00:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2022-10-17 17:00:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:00:50,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:51,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:51,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:00:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2022-10-17 17:00:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2022-10-17 17:00:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:00:51,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:51,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:00:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 93 transitions. [2022-10-17 17:00:52,848 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 93 transitions. [2022-10-17 17:00:52,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:00:52,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:52,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:53,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 59 states and 97 transitions. [2022-10-17 17:00:53,827 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 97 transitions. [2022-10-17 17:00:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:00:53,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:00:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2022-10-17 17:00:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2022-10-17 17:00:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:00:53,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:00:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 62 states and 103 transitions. [2022-10-17 17:00:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 103 transitions. [2022-10-17 17:00:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:00:57,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:01:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2022-10-17 17:01:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2022-10-17 17:01:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:01:00,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:00,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:01:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2022-10-17 17:01:01,167 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2022-10-17 17:01:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:01:01,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:01,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2022-10-17 17:01:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2022-10-17 17:01:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:01:01,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:01:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 68 states and 115 transitions. [2022-10-17 17:01:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 115 transitions. [2022-10-17 17:01:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:01,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:01,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat