./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label42.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_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/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_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/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_ed101b72-35d7-45ac-b262-d0e9180e9b5c/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 2fd91fc32802b3b84cae99b85ac960832fbd9dc7b53546399650d691bec53ab1 --- 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 21:46:05,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:46:05,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:46:05,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:46:05,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:46:05,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:46:05,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:46:05,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:46:05,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:46:05,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:46:05,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:46:05,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:46:05,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:46:05,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:46:05,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:46:05,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:46:05,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:46:05,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:46:05,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:46:05,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:46:05,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:46:05,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:46:05,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:46:05,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:46:05,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:46:05,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:46:05,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:46:05,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:46:05,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:46:05,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:46:05,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:46:05,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:46:05,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:46:05,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:46:05,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:46:05,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:46:05,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:46:05,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:46:05,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:46:05,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:46:05,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:46:05,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 21:46:05,431 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:46:05,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:46:05,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:46:05,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:46:05,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:46:05,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:46:05,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:46:05,439 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:46:05,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:46:05,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:46:05,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:46:05,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:46:05,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:46:05,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:46:05,440 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:46:05,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:46:05,440 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:46:05,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:46:05,440 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:46:05,440 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:46:05,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:46:05,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:46:05,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:46:05,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:46:05,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:46:05,441 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:46:05,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:46:05,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:46:05,441 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_ed101b72-35d7-45ac-b262-d0e9180e9b5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fd91fc32802b3b84cae99b85ac960832fbd9dc7b53546399650d691bec53ab1 [2022-12-14 21:46:05,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:46:05,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:46:05,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:46:05,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:46:05,655 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:46:05,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-programs/Problem103_label42.c [2022-12-14 21:46:08,214 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:46:10,060 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:46:10,061 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/sv-benchmarks/c/eca-programs/Problem103_label42.c [2022-12-14 21:46:10,348 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/data/a7a0855ae/c2f922bef1f744ffb849219b111ca8ce/FLAGf016b3e1e [2022-12-14 21:46:10,359 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/data/a7a0855ae/c2f922bef1f744ffb849219b111ca8ce [2022-12-14 21:46:10,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:46:10,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:46:10,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:46:10,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:46:10,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:46:10,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:46:10" (1/1) ... [2022-12-14 21:46:10,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e08c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:10, skipping insertion in model container [2022-12-14 21:46:10,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:46:10" (1/1) ... [2022-12-14 21:46:10,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:46:11,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:46:36,947 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_ed101b72-35d7-45ac-b262-d0e9180e9b5c/sv-benchmarks/c/eca-programs/Problem103_label42.c[6304552,6304565] [2022-12-14 21:46:37,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:46:37,061 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:46:50,509 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_ed101b72-35d7-45ac-b262-d0e9180e9b5c/sv-benchmarks/c/eca-programs/Problem103_label42.c[6304552,6304565] [2022-12-14 21:46:50,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:46:53,675 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:46:53,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53 WrapperNode [2022-12-14 21:46:53,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:46:53,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:46:53,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:46:53,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:46:53,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:54,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:56,970 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197824 [2022-12-14 21:46:56,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:46:56,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:46:56,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:46:56,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:46:56,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:56,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:57,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:57,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:58,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:58,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:59,150 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:59,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:59,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:46:59,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:46:59,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:46:59,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:46:59,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:46:53" (1/1) ... [2022-12-14 21:46:59,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:46:59,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:46:59,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:47:00,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed101b72-35d7-45ac-b262-d0e9180e9b5c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:47:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:47:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:47:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:47:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:47:00,287 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:47:00,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:48:03,366 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:48:52,423 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:48:52,423 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:48:52,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:48:52 BoogieIcfgContainer [2022-12-14 21:48:52,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:48:52,435 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:48:52,435 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:48:52,442 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:48:52,442 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:48:52" (1/1) ... [2022-12-14 21:48:52,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:48:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:48:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33006 states to 16544 states and 33006 transitions. [2022-12-14 21:48:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 33006 transitions. [2022-12-14 21:48:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16466 [2022-12-14 21:48:54,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:48:54,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:48:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:50:12,818 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 21:51:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:51:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53170 states to 33007 states and 53170 transitions. [2022-12-14 21:51:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 33007 states and 53170 transitions. [2022-12-14 21:51:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16476 [2022-12-14 21:51:12,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:51:12,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:51:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:52:19,792 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 21:52:21,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:52:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53181 states to 33016 states and 53181 transitions. [2022-12-14 21:52:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 33016 states and 53181 transitions. [2022-12-14 21:52:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16479 [2022-12-14 21:52:22,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:52:22,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:52:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:53:25,851 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 21:53:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:53:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53196 states to 33028 states and 53196 transitions. [2022-12-14 21:53:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 33028 states and 53196 transitions. [2022-12-14 21:53:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16486 [2022-12-14 21:53:28,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:53:28,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:53:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:54:31,599 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 21:54:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:54:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53219 states to 33047 states and 53219 transitions. [2022-12-14 21:54:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 33047 states and 53219 transitions. [2022-12-14 21:54:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16492 [2022-12-14 21:54:34,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:54:34,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:54:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53249 states to 33072 states and 53249 transitions. [2022-12-14 21:55:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 33072 states and 53249 transitions. [2022-12-14 21:55:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16494 [2022-12-14 21:55:50,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat