./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/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_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1418b02b8b2f5990b796a4d39288b2acbdc5bc3cef26e1456ee8caff9c24da11 --- 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 17:01:31,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:31,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:31,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:31,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:31,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:31,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:31,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:31,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:31,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:31,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:31,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:31,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:31,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:31,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:31,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:31,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:31,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:31,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:31,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:31,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:31,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:31,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:31,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:31,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:31,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:31,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:31,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:31,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:31,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:31,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:31,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:31,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:31,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:31,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:31,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:31,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:31,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:31,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:31,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:31,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:31,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:31,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:31,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:31,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:31,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:31,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:31,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:31,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:31,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:31,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:31,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:31,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:31,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:31,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:31,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:31,433 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:31,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:31,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:31,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:31,434 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:31,434 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:31,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:31,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:31,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:31,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:31,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:31,436 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:31,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:31,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:31,436 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_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1418b02b8b2f5990b796a4d39288b2acbdc5bc3cef26e1456ee8caff9c24da11 [2022-10-17 17:01:31,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:31,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:31,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:31,713 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:31,714 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:31,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2022-10-17 17:01:31,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/data/166dd64db/ed695faeebaf4628ae7adb8fb930db00/FLAGe6e25d596 [2022-10-17 17:01:32,390 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:32,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2022-10-17 17:01:32,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/data/166dd64db/ed695faeebaf4628ae7adb8fb930db00/FLAGe6e25d596 [2022-10-17 17:01:32,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/data/166dd64db/ed695faeebaf4628ae7adb8fb930db00 [2022-10-17 17:01:32,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:32,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:32,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:32,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:32,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:32,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:32" (1/1) ... [2022-10-17 17:01:32,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7758980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:32, skipping insertion in model container [2022-10-17 17:01:32,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:32" (1/1) ... [2022-10-17 17:01:32,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:32,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:33,197 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_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/sv-benchmarks/c/eca-rers2012/Problem02_label03.c[20079,20092] [2022-10-17 17:01:33,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:33,234 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:33,345 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_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/sv-benchmarks/c/eca-rers2012/Problem02_label03.c[20079,20092] [2022-10-17 17:01:33,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:33,367 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:33,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33 WrapperNode [2022-10-17 17:01:33,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:33,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:33,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:33,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:33,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,467 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-10-17 17:01:33,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:33,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:33,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:33,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:33,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,568 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:33,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:33,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:33,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:33,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:33,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:33,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:33,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb7dbe2-8b2e-4f76-8aee-e336b4815230/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:33,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:33,806 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:33,807 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:34,933 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:35,198 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:35,199 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:01:35,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:35 BoogieIcfgContainer [2022-10-17 17:01:35,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:35,203 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:35,203 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:35,214 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:35,215 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-10-17 17:01:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-10-17 17:01:35,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:01:35,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:35,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:35,891 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 17:01:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2022-10-17 17:01:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2022-10-17 17:01:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 17:01:36,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:36,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2022-10-17 17:01:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2022-10-17 17:01:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 17:01:37,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2022-10-17 17:01:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2022-10-17 17:01:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 17:01:37,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2022-10-17 17:01:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2022-10-17 17:01:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 17:01:37,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 270 states and 365 transitions. [2022-10-17 17:01:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 365 transitions. [2022-10-17 17:01:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 17:01:38,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 277 states and 372 transitions. [2022-10-17 17:01:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 372 transitions. [2022-10-17 17:01:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-17 17:01:38,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 291 states and 388 transitions. [2022-10-17 17:01:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 388 transitions. [2022-10-17 17:01:38,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-17 17:01:38,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 297 states and 394 transitions. [2022-10-17 17:01:38,929 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 394 transitions. [2022-10-17 17:01:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-17 17:01:38,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:39,105 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:39,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 321 states and 420 transitions. [2022-10-17 17:01:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 420 transitions. [2022-10-17 17:01:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-17 17:01:39,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:39,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 400 states and 504 transitions. [2022-10-17 17:01:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 504 transitions. [2022-10-17 17:01:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-17 17:01:40,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:40,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:40,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 410 states and 514 transitions. [2022-10-17 17:01:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 514 transitions. [2022-10-17 17:01:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-17 17:01:40,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:40,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:01:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 521 states and 631 transitions. [2022-10-17 17:01:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 631 transitions. [2022-10-17 17:01:42,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 17:01:42,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:42,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:42,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:42,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 528 states and 638 transitions. [2022-10-17 17:01:42,435 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 638 transitions. [2022-10-17 17:01:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 17:01:42,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 535 states and 645 transitions. [2022-10-17 17:01:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 645 transitions. [2022-10-17 17:01:42,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 17:01:42,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:42,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:01:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 541 states and 652 transitions. [2022-10-17 17:01:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 652 transitions. [2022-10-17 17:01:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-17 17:01:42,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:42,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:01:43,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 544 states and 655 transitions. [2022-10-17 17:01:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 655 transitions. [2022-10-17 17:01:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-17 17:01:43,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:43,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:44,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 593 states and 714 transitions. [2022-10-17 17:01:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 714 transitions. [2022-10-17 17:01:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 17:01:44,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:44,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:01:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 602 states and 723 transitions. [2022-10-17 17:01:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 723 transitions. [2022-10-17 17:01:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-17 17:01:44,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 642 states and 768 transitions. [2022-10-17 17:01:45,577 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 768 transitions. [2022-10-17 17:01:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-17 17:01:45,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:45,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:46,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 677 states and 806 transitions. [2022-10-17 17:01:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 806 transitions. [2022-10-17 17:01:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 17:01:46,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:46,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:47,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 703 states and 839 transitions. [2022-10-17 17:01:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 839 transitions. [2022-10-17 17:01:47,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-17 17:01:47,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:47,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:01:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 716 states and 852 transitions. [2022-10-17 17:01:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 852 transitions. [2022-10-17 17:01:47,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-17 17:01:47,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:47,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:01:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 738 states and 875 transitions. [2022-10-17 17:01:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 875 transitions. [2022-10-17 17:01:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 17:01:48,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:48,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 795 states and 935 transitions. [2022-10-17 17:01:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 935 transitions. [2022-10-17 17:01:49,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-17 17:01:49,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:49,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:01:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:50,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 840 states and 988 transitions. [2022-10-17 17:01:50,946 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 988 transitions. [2022-10-17 17:01:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-17 17:01:50,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:50,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 17:01:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 861 states and 1010 transitions. [2022-10-17 17:01:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1010 transitions. [2022-10-17 17:01:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 17:01:51,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:51,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 994 states and 1152 transitions. [2022-10-17 17:01:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1152 transitions. [2022-10-17 17:01:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 17:01:53,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:53,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:01:55,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1042 states and 1211 transitions. [2022-10-17 17:01:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1211 transitions. [2022-10-17 17:01:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 17:01:55,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:55,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:01:56,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1079 states and 1251 transitions. [2022-10-17 17:01:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1251 transitions. [2022-10-17 17:01:56,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 17:01:56,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:56,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-10-17 17:01:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1081 states and 1255 transitions. [2022-10-17 17:01:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1255 transitions. [2022-10-17 17:01:56,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-17 17:01:56,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:56,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 17:01:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1082 states and 1255 transitions. [2022-10-17 17:01:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1255 transitions. [2022-10-17 17:01:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-17 17:01:56,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:56,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:59,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1245 states and 1425 transitions. [2022-10-17 17:01:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1425 transitions. [2022-10-17 17:01:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-10-17 17:01:59,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:59,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 17:01:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1164 states and 1324 transitions. [2022-10-17 17:01:59,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1324 transitions. [2022-10-17 17:01:59,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:01:59,745 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2022-10-17 17:01:59,756 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold