./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/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_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/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_b4feb399-f484-49a1-89e4-76538dcb6f61/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 906ffe58b832ff4e782e44c7c61dd77e381780d7da434142e07131413944f85b --- 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 [2022-12-15 00:19:26,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:19:26,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:19:26,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:19:26,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:19:26,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:19:26,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:19:26,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:19:26,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:19:26,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:19:26,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:19:26,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:19:26,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:19:26,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:19:26,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:19:26,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:19:26,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:19:26,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:19:26,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:19:26,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:19:26,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:19:26,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:19:26,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:19:26,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:19:26,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:19:26,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:19:26,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:19:26,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:19:26,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:19:26,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:19:26,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:19:26,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:19:26,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:19:26,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:19:26,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:19:26,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:19:26,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:19:26,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:19:26,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:19:26,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:19:26,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:19:26,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:19:26,108 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:19:26,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:19:26,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:19:26,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:19:26,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:19:26,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:19:26,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:19:26,111 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:19:26,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:19:26,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:19:26,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:19:26,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:19:26,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:19:26,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:19:26,112 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:19:26,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:19:26,112 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:19:26,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:19:26,112 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:19:26,113 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:19:26,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:19:26,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:19:26,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:19:26,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:19:26,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:19:26,114 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:19:26,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:19:26,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:19:26,114 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_b4feb399-f484-49a1-89e4-76538dcb6f61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 906ffe58b832ff4e782e44c7c61dd77e381780d7da434142e07131413944f85b [2022-12-15 00:19:26,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:19:26,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:19:26,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:19:26,322 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:19:26,322 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:19:26,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-programs/Problem101_label16.c [2022-12-15 00:19:28,913 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:19:30,044 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:19:30,044 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/sv-benchmarks/c/eca-programs/Problem101_label16.c [2022-12-15 00:19:30,220 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/data/fe310859c/99f19ed02d844f64aa0ebaa152f97ee6/FLAGdbcce7f2f [2022-12-15 00:19:30,514 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/data/fe310859c/99f19ed02d844f64aa0ebaa152f97ee6 [2022-12-15 00:19:30,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:19:30,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:19:30,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:19:30,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:19:30,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:19:30,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:19:30" (1/1) ... [2022-12-15 00:19:30,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1450a548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:30, skipping insertion in model container [2022-12-15 00:19:30,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:19:30" (1/1) ... [2022-12-15 00:19:30,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:19:31,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:19:41,645 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_b4feb399-f484-49a1-89e4-76538dcb6f61/sv-benchmarks/c/eca-programs/Problem101_label16.c[2767308,2767321] [2022-12-15 00:19:41,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:19:41,708 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:19:47,724 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_b4feb399-f484-49a1-89e4-76538dcb6f61/sv-benchmarks/c/eca-programs/Problem101_label16.c[2767308,2767321] [2022-12-15 00:19:47,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:19:48,355 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:19:48,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48 WrapperNode [2022-12-15 00:19:48,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:19:48,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:19:48,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:19:48,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:19:48,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:48,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:49,779 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83780 [2022-12-15 00:19:49,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:19:49,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:19:49,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:19:49,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:19:49,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:49,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:50,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:50,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:50,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:50,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:50,854 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:50,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:51,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:19:51,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:19:51,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:19:51,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:19:51,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:19:48" (1/1) ... [2022-12-15 00:19:51,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:19:51,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:19:51,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:19:51,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4feb399-f484-49a1-89e4-76538dcb6f61/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:19:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:19:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:19:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:19:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:19:51,323 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:19:51,324 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:20:24,761 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:20:25,483 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:20:25,483 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:20:25,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:25 BoogieIcfgContainer [2022-12-15 00:20:25,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:20:25,492 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:20:25,492 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:20:25,499 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:20:25,499 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:25" (1/1) ... [2022-12-15 00:20:25,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:20:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2022-12-15 00:20:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2022-12-15 00:20:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2022-12-15 00:20:26,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:26,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:20:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:21:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30714 states to 20218 states and 30714 transitions. [2022-12-15 00:21:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 30714 transitions. [2022-12-15 00:21:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2022-12-15 00:21:24,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:24,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:45,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:21:46,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30720 states to 20222 states and 30720 transitions. [2022-12-15 00:21:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 20222 states and 30720 transitions. [2022-12-15 00:21:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10092 [2022-12-15 00:21:46,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:21:46,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:21:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:22:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30721 states to 20223 states and 30721 transitions. [2022-12-15 00:22:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 20223 states and 30721 transitions. [2022-12-15 00:22:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10096 [2022-12-15 00:22:08,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:08,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:22:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:32,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30733 states to 20232 states and 30733 transitions. [2022-12-15 00:22:32,737 INFO L276 IsEmpty]: Start isEmpty. Operand 20232 states and 30733 transitions. [2022-12-15 00:22:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2022-12-15 00:22:33,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:33,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:22:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30748 states to 20243 states and 30748 transitions. [2022-12-15 00:22:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 20243 states and 30748 transitions. [2022-12-15 00:22:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2022-12-15 00:22:56,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:23:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:17,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30765 states to 20255 states and 30765 transitions. [2022-12-15 00:23:17,052 INFO L276 IsEmpty]: Start isEmpty. Operand 20255 states and 30765 transitions. [2022-12-15 00:23:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10101 [2022-12-15 00:23:17,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:17,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:23:41,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:41,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30785 states to 20269 states and 30785 transitions. [2022-12-15 00:23:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 20269 states and 30785 transitions. [2022-12-15 00:23:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10103 [2022-12-15 00:23:42,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:42,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:24:04,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:04,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30808 states to 20285 states and 30808 transitions. [2022-12-15 00:24:04,122 INFO L276 IsEmpty]: Start isEmpty. Operand 20285 states and 30808 transitions. [2022-12-15 00:24:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10105 [2022-12-15 00:24:04,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:04,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:24:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30834 states to 20303 states and 30834 transitions. [2022-12-15 00:24:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand 20303 states and 30834 transitions. [2022-12-15 00:24:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2022-12-15 00:24:25,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:25,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:24:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30854 states to 20318 states and 30854 transitions. [2022-12-15 00:24:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 20318 states and 30854 transitions. [2022-12-15 00:24:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10113 [2022-12-15 00:24:54,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:54,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:25:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:25:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:25:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30873 states to 20333 states and 30873 transitions. [2022-12-15 00:25:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 20333 states and 30873 transitions. [2022-12-15 00:25:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10114 [2022-12-15 00:25:17,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:25:17,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:25:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:25:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:25:41,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:25:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30896 states to 20351 states and 30896 transitions. [2022-12-15 00:25:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 20351 states and 30896 transitions. [2022-12-15 00:25:41,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10116 [2022-12-15 00:25:41,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:25:41,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:25:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:26:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:26:02,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:26:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30913 states to 20364 states and 30913 transitions. [2022-12-15 00:26:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 20364 states and 30913 transitions. [2022-12-15 00:26:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10120 [2022-12-15 00:26:03,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:26:03,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:26:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:26:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:26:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:26:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30937 states to 20383 states and 30937 transitions. [2022-12-15 00:26:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 20383 states and 30937 transitions. [2022-12-15 00:26:27,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10121 [2022-12-15 00:26:27,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:26:27,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:26:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:26:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:26:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:26:48,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30958 states to 20399 states and 30958 transitions. [2022-12-15 00:26:48,525 INFO L276 IsEmpty]: Start isEmpty. Operand 20399 states and 30958 transitions. [2022-12-15 00:26:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10122 [2022-12-15 00:26:48,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:26:48,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:26:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:27:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30969 states to 20407 states and 30969 transitions. [2022-12-15 00:27:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 20407 states and 30969 transitions. [2022-12-15 00:27:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10123 [2022-12-15 00:27:14,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:27:14,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:27:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:27:37,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30983 states to 20417 states and 30983 transitions. [2022-12-15 00:27:37,081 INFO L276 IsEmpty]: Start isEmpty. Operand 20417 states and 30983 transitions. [2022-12-15 00:27:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10125 [2022-12-15 00:27:37,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:27:37,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:27:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:00,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30985 states to 20419 states and 30985 transitions. [2022-12-15 00:28:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 20419 states and 30985 transitions. [2022-12-15 00:28:00,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10126 [2022-12-15 00:28:00,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:00,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:25,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30994 states to 20425 states and 30994 transitions. [2022-12-15 00:28:25,283 INFO L276 IsEmpty]: Start isEmpty. Operand 20425 states and 30994 transitions. [2022-12-15 00:28:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10128 [2022-12-15 00:28:25,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:25,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:28:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:28:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31010 states to 20437 states and 31010 transitions. [2022-12-15 00:28:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 20437 states and 31010 transitions. [2022-12-15 00:28:47,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10129 [2022-12-15 00:28:47,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:28:47,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:28:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:08,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31011 states to 20438 states and 31011 transitions. [2022-12-15 00:29:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 20438 states and 31011 transitions. [2022-12-15 00:29:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10130 [2022-12-15 00:29:08,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:08,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:28,593 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:29,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31040 states to 20461 states and 31040 transitions. [2022-12-15 00:29:29,667 INFO L276 IsEmpty]: Start isEmpty. Operand 20461 states and 31040 transitions. [2022-12-15 00:29:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10138 [2022-12-15 00:29:30,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:30,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:53,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31056 states to 20474 states and 31056 transitions. [2022-12-15 00:29:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 20474 states and 31056 transitions. [2022-12-15 00:29:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10140 [2022-12-15 00:29:54,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:54,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat