./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4 --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 36262c3d5a4447eb00760f7852cb545efa4beb21b46a1f28d1e512ef4327462b --- 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-2329fc7 [2022-12-14 16:25:31,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:25:31,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:25:31,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:25:31,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:25:31,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:25:31,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:25:31,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:25:31,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:25:31,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:25:31,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:25:31,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:25:31,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:25:31,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:25:31,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:25:31,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:25:31,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:25:31,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:25:31,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:25:31,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:25:31,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:25:31,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:25:31,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:25:31,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:25:31,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:25:31,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:25:31,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:25:31,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:25:31,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:25:31,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:25:31,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:25:31,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:25:31,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:25:31,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:25:31,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:25:31,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:25:31,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:25:31,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:25:31,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:25:31,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:25:31,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:25:31,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 16:25:32,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:25:32,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:25:32,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:25:32,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:25:32,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:25:32,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:25:32,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:25:32,008 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:25:32,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:25:32,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:25:32,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:25:32,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:25:32,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:25:32,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:25:32,009 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:25:32,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:25:32,009 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:25:32,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:25:32,010 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:25:32,010 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:25:32,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:25:32,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:25:32,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:25:32,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:25:32,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:25:32,011 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:25:32,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:25:32,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:25:32,011 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_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36262c3d5a4447eb00760f7852cb545efa4beb21b46a1f28d1e512ef4327462b [2022-12-14 16:25:32,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:25:32,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:25:32,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:25:32,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:25:32,210 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:25:32,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem07_label57.c [2022-12-14 16:25:34,815 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:25:36,024 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:25:36,024 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/sv-benchmarks/c/eca-rers2012/Problem07_label57.c [2022-12-14 16:25:36,138 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/data/eff9e5d2a/e8081d8cc3d24c4196af1a043f66963f/FLAG565f74297 [2022-12-14 16:25:36,147 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/data/eff9e5d2a/e8081d8cc3d24c4196af1a043f66963f [2022-12-14 16:25:36,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:25:36,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:25:36,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:25:36,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:25:36,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:25:36,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:25:36" (1/1) ... [2022-12-14 16:25:36,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793f35ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:36, skipping insertion in model container [2022-12-14 16:25:36,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:25:36" (1/1) ... [2022-12-14 16:25:36,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:25:36,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:25:46,242 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/sv-benchmarks/c/eca-rers2012/Problem07_label57.c[2771372,2771385] [2022-12-14 16:25:46,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:25:46,301 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:25:52,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/sv-benchmarks/c/eca-rers2012/Problem07_label57.c[2771372,2771385] [2022-12-14 16:25:52,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:25:52,744 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:25:52,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52 WrapperNode [2022-12-14 16:25:52,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:25:52,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:25:52,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:25:52,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:25:52,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:53,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:54,474 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2022-12-14 16:25:54,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:25:54,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:25:54,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:25:54,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:25:54,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:54,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:54,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:54,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:55,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:55,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:55,452 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:55,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:55,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:25:55,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:25:55,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:25:55,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:25:55,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:25:52" (1/1) ... [2022-12-14 16:25:55,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:25:55,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:25:55,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:25:55,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d88a26-82bf-41f5-96ba-db589b5f8fe5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:25:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:25:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:25:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:25:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:25:56,017 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:25:56,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:26:25,790 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:26:26,481 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:26:26,481 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 16:26:26,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:26:26 BoogieIcfgContainer [2022-12-14 16:26:26,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:26:26,490 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:26:26,490 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:26:26,496 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:26:26,497 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:26:26" (1/1) ... [2022-12-14 16:26:26,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:26:26,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:26:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2022-12-14 16:26:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2022-12-14 16:26:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2022-12-14 16:26:27,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:26:27,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:26:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:26:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:27:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:27:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34422 states to 20218 states and 34422 transitions. [2022-12-14 16:27:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 34422 transitions. [2022-12-14 16:27:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2022-12-14 16:27:31,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:27:31,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:27:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:27:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:27:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:27:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34427 states to 20221 states and 34427 transitions. [2022-12-14 16:27:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 34427 transitions. [2022-12-14 16:27:55,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2022-12-14 16:27:55,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:27:55,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:27:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:28:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:28:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:28:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34434 states to 20225 states and 34434 transitions. [2022-12-14 16:28:19,976 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 34434 transitions. [2022-12-14 16:28:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10092 [2022-12-14 16:28:20,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:28:20,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:28:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:28:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:28:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:28:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34435 states to 20226 states and 34435 transitions. [2022-12-14 16:28:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 20226 states and 34435 transitions. [2022-12-14 16:28:43,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10096 [2022-12-14 16:28:43,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:28:43,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:28:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:11,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34448 states to 20235 states and 34448 transitions. [2022-12-14 16:29:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 20235 states and 34448 transitions. [2022-12-14 16:29:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2022-12-14 16:29:11,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:11,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34463 states to 20245 states and 34463 transitions. [2022-12-14 16:29:37,479 INFO L276 IsEmpty]: Start isEmpty. Operand 20245 states and 34463 transitions. [2022-12-14 16:29:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2022-12-14 16:29:37,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:37,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:30:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:30:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:30:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34464 states to 20246 states and 34464 transitions. [2022-12-14 16:30:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 20246 states and 34464 transitions. [2022-12-14 16:30:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2022-12-14 16:30:03,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:30:03,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:30:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:30:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:30:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:30:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34482 states to 20258 states and 34482 transitions. [2022-12-14 16:30:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 20258 states and 34482 transitions. [2022-12-14 16:30:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10101 [2022-12-14 16:30:26,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:30:26,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:30:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:30:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:30:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:30:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34503 states to 20272 states and 34503 transitions. [2022-12-14 16:30:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 20272 states and 34503 transitions. [2022-12-14 16:30:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2022-12-14 16:30:55,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:30:55,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:30:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:31:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:31:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:31:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34520 states to 20284 states and 34520 transitions. [2022-12-14 16:31:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 20284 states and 34520 transitions. [2022-12-14 16:31:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10104 [2022-12-14 16:31:17,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:31:17,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:31:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:31:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:31:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:31:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34522 states to 20286 states and 34522 transitions. [2022-12-14 16:31:39,872 INFO L276 IsEmpty]: Start isEmpty. Operand 20286 states and 34522 transitions. [2022-12-14 16:31:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10105 [2022-12-14 16:31:40,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:31:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:31:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:32:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34548 states to 20304 states and 34548 transitions. [2022-12-14 16:32:02,706 INFO L276 IsEmpty]: Start isEmpty. Operand 20304 states and 34548 transitions. [2022-12-14 16:32:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10106 [2022-12-14 16:32:03,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:03,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:32:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34563 states to 20314 states and 34563 transitions. [2022-12-14 16:32:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 20314 states and 34563 transitions. [2022-12-14 16:32:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2022-12-14 16:32:33,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:33,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:33:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34583 states to 20329 states and 34583 transitions. [2022-12-14 16:33:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 20329 states and 34583 transitions. [2022-12-14 16:33:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10109 [2022-12-14 16:33:06,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:06,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:33:35,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34587 states to 20332 states and 34587 transitions. [2022-12-14 16:33:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 34587 transitions. [2022-12-14 16:33:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10110 [2022-12-14 16:33:36,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34604 states to 20344 states and 34604 transitions. [2022-12-14 16:34:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 20344 states and 34604 transitions. [2022-12-14 16:34:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10111 [2022-12-14 16:34:01,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:01,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34613 states to 20350 states and 34613 transitions. [2022-12-14 16:34:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 20350 states and 34613 transitions. [2022-12-14 16:34:24,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10114 [2022-12-14 16:34:24,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:24,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:34:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:52,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34620 states to 20355 states and 34620 transitions. [2022-12-14 16:34:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 20355 states and 34620 transitions. [2022-12-14 16:34:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10118 [2022-12-14 16:34:53,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:34:53,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:34:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34659 states to 20386 states and 34659 transitions. [2022-12-14 16:35:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 20386 states and 34659 transitions. [2022-12-14 16:35:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10119 [2022-12-14 16:35:17,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:17,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:35:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:35:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:35:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34660 states to 20387 states and 34660 transitions. [2022-12-14 16:35:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 20387 states and 34660 transitions. [2022-12-14 16:35:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10121 [2022-12-14 16:35:39,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:35:39,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:35:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34672 states to 20397 states and 34672 transitions. [2022-12-14 16:36:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 20397 states and 34672 transitions.