./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label58.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_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/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_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label58.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/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_ccc54660-f24a-4422-a249-09ffd613091f/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 f1330b945796eafb52f5218ec9db61ab9afcd58365b089a50d0fc568630d62cc --- 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 20:23:51,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:23:51,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:23:51,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:23:51,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:23:51,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:23:51,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:23:51,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:23:51,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:23:51,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:23:51,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:23:51,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:23:51,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:23:51,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:23:51,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:23:51,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:23:51,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:23:51,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:23:51,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:23:51,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:23:51,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:23:51,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:23:51,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:23:51,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:23:51,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:23:51,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:23:51,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:23:51,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:23:51,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:23:51,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:23:51,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:23:51,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:23:51,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:23:51,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:23:51,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:23:51,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:23:51,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:23:51,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:23:51,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:23:51,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:23:51,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:23:51,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:23:51,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:23:51,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:23:51,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:23:51,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:23:51,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:23:51,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:23:51,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:23:51,489 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:23:51,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:23:51,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:23:51,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:23:51,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:23:51,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:23:51,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:23:51,490 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:23:51,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:23:51,490 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:23:51,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:23:51,491 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:23:51,491 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:23:51,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:23:51,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:23:51,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:23:51,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:23:51,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:23:51,492 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:23:51,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:23:51,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:23:51,492 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_ccc54660-f24a-4422-a249-09ffd613091f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1330b945796eafb52f5218ec9db61ab9afcd58365b089a50d0fc568630d62cc [2022-12-14 20:23:51,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:23:51,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:23:51,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:23:51,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:23:51,709 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:23:51,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem02_label58.c [2022-12-14 20:23:54,295 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:23:54,472 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:23:54,472 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/sv-benchmarks/c/eca-rers2012/Problem02_label58.c [2022-12-14 20:23:54,479 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/data/089a83a00/f76a7dbf1fa1424c908d5045da5e44a1/FLAG8ee7eb52b [2022-12-14 20:23:54,494 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/data/089a83a00/f76a7dbf1fa1424c908d5045da5e44a1 [2022-12-14 20:23:54,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:23:54,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:23:54,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:23:54,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:23:54,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:23:54,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e9bcdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54, skipping insertion in model container [2022-12-14 20:23:54,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:23:54,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:23:54,722 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_ccc54660-f24a-4422-a249-09ffd613091f/sv-benchmarks/c/eca-rers2012/Problem02_label58.c[17130,17143] [2022-12-14 20:23:54,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:23:54,752 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:23:54,807 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_ccc54660-f24a-4422-a249-09ffd613091f/sv-benchmarks/c/eca-rers2012/Problem02_label58.c[17130,17143] [2022-12-14 20:23:54,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:23:54,826 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:23:54,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54 WrapperNode [2022-12-14 20:23:54,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:23:54,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:23:54,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:23:54,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:23:54,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,876 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-12-14 20:23:54,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:23:54,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:23:54,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:23:54,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:23:54,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:23:54,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:23:54,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:23:54,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:23:54,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:23:54" (1/1) ... [2022-12-14 20:23:54,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:23:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:23:54,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:23:54,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:23:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:23:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:23:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:23:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:23:55,035 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:23:55,037 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:23:55,746 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:23:55,966 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:23:55,966 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:23:55,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:23:55 BoogieIcfgContainer [2022-12-14 20:23:55,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:23:55,969 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:23:55,969 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:23:55,977 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:23:55,977 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:23:55" (1/1) ... [2022-12-14 20:23:55,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:23:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:23:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-12-14 20:23:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-12-14 20:23:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 20:23:56,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:23:56,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:23:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:23:56,294 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 20:23:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:23:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2022-12-14 20:23:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2022-12-14 20:23:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 20:23:56,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:23:56,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:23:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:23:56,823 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 20:23:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:23:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2022-12-14 20:23:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2022-12-14 20:23:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 20:23:57,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:23:57,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:23:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:23:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:23:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:23:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 321 states and 422 transitions. [2022-12-14 20:23:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 422 transitions. [2022-12-14 20:23:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 20:23:57,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:23:57,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:23:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:23:57,858 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 20:23:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:23:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 339 states and 442 transitions. [2022-12-14 20:23:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 442 transitions. [2022-12-14 20:23:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 20:23:57,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:23:57,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:23:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:23:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:23:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:23:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 358 states and 463 transitions. [2022-12-14 20:23:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 463 transitions. [2022-12-14 20:23:58,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-14 20:23:58,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:23:58,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:23:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:23:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:23:59,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:23:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 433 states and 546 transitions. [2022-12-14 20:23:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 546 transitions. [2022-12-14 20:23:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 20:23:59,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:23:59,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:23:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:23:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 20:23:59,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:23:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 437 states and 552 transitions. [2022-12-14 20:23:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 552 transitions. [2022-12-14 20:23:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 20:23:59,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:23:59,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:23:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:23:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 20:23:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:23:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 438 states and 555 transitions. [2022-12-14 20:23:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 555 transitions. [2022-12-14 20:23:59,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-14 20:23:59,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:23:59,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:23:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:23:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 20:24:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 447 states and 568 transitions. [2022-12-14 20:24:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 568 transitions. [2022-12-14 20:24:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-14 20:24:00,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:00,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 20:24:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:00,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 450 states and 572 transitions. [2022-12-14 20:24:00,296 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 572 transitions. [2022-12-14 20:24:00,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-14 20:24:00,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:00,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 20:24:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:00,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 451 states and 572 transitions. [2022-12-14 20:24:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 572 transitions. [2022-12-14 20:24:00,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-12-14 20:24:00,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:00,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-14 20:24:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 461 states and 586 transitions. [2022-12-14 20:24:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 586 transitions. [2022-12-14 20:24:00,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-14 20:24:00,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:00,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-14 20:24:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 464 states and 589 transitions. [2022-12-14 20:24:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 589 transitions. [2022-12-14 20:24:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-14 20:24:00,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:00,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:01,047 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 20:24:01,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 465 states and 589 transitions. [2022-12-14 20:24:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 589 transitions. [2022-12-14 20:24:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-12-14 20:24:01,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:01,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 20:24:01,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 470 states and 594 transitions. [2022-12-14 20:24:01,154 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 594 transitions. [2022-12-14 20:24:01,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-14 20:24:01,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:01,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 20:24:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 477 states and 602 transitions. [2022-12-14 20:24:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 602 transitions. [2022-12-14 20:24:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-14 20:24:01,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:01,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 20:24:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 487 states and 616 transitions. [2022-12-14 20:24:01,704 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 616 transitions. [2022-12-14 20:24:01,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-14 20:24:01,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:01,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:01,748 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-12-14 20:24:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:01,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 489 states and 619 transitions. [2022-12-14 20:24:01,833 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 619 transitions. [2022-12-14 20:24:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-14 20:24:01,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:01,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-14 20:24:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 494 states and 625 transitions. [2022-12-14 20:24:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 625 transitions. [2022-12-14 20:24:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-14 20:24:02,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:02,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:02,083 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-14 20:24:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 496 states and 627 transitions. [2022-12-14 20:24:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 627 transitions. [2022-12-14 20:24:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-14 20:24:02,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:02,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 20:24:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 567 states and 704 transitions. [2022-12-14 20:24:02,644 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 704 transitions. [2022-12-14 20:24:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-14 20:24:02,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:02,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 20:24:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 572 states and 709 transitions. [2022-12-14 20:24:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 709 transitions. [2022-12-14 20:24:02,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-14 20:24:02,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 20:24:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 633 states and 770 transitions. [2022-12-14 20:24:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 770 transitions. [2022-12-14 20:24:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-14 20:24:03,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:03,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-14 20:24:03,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 638 states and 775 transitions. [2022-12-14 20:24:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 775 transitions. [2022-12-14 20:24:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-14 20:24:03,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:03,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 20:24:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 639 states and 776 transitions. [2022-12-14 20:24:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 776 transitions. [2022-12-14 20:24:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-12-14 20:24:03,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:03,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-14 20:24:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 700 states and 838 transitions. [2022-12-14 20:24:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 838 transitions. [2022-12-14 20:24:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-14 20:24:03,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:03,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 20:24:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:04,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 752 states and 889 transitions. [2022-12-14 20:24:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 889 transitions. [2022-12-14 20:24:04,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-14 20:24:04,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:04,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 167 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 20:24:04,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 779 states and 924 transitions. [2022-12-14 20:24:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 924 transitions. [2022-12-14 20:24:04,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-14 20:24:04,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:04,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 20:24:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 787 states and 931 transitions. [2022-12-14 20:24:05,126 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 931 transitions. [2022-12-14 20:24:05,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-14 20:24:05,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:24:05,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:24:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:24:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 20:24:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:24:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 486 states and 592 transitions. [2022-12-14 20:24:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 592 transitions. [2022-12-14 20:24:05,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:24:05,302 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2022-12-14 20:24:05,309 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 20:24:06,989 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-12-14 20:24:06,996 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-12-14 20:24:06,997 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:24:06,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:24:06 ImpRootNode [2022-12-14 20:24:06,997 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:24:06,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:24:06,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:24:06,998 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:24:06,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:23:55" (3/4) ... [2022-12-14 20:24:07,000 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:24:07,016 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-12-14 20:24:07,017 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 20:24:07,018 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 20:24:07,020 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 20:24:07,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:24:07,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:24:07,112 INFO L158 Benchmark]: Toolchain (without parser) took 12614.40ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 117.9MB in the beginning and 200.0MB in the end (delta: -82.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-12-14 20:24:07,112 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:24:07,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.59ms. Allocated memory is still 155.2MB. Free memory was 117.9MB in the beginning and 91.8MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 20:24:07,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.77ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 86.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 20:24:07,113 INFO L158 Benchmark]: Boogie Preprocessor took 37.06ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 82.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:24:07,113 INFO L158 Benchmark]: RCFGBuilder took 1054.77ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 82.3MB in the beginning and 130.0MB in the end (delta: -47.7MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2022-12-14 20:24:07,114 INFO L158 Benchmark]: CodeCheck took 11027.67ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 130.0MB in the beginning and 211.5MB in the end (delta: -81.5MB). Peak memory consumption was 143.4MB. Max. memory is 16.1GB. [2022-12-14 20:24:07,114 INFO L158 Benchmark]: Witness Printer took 113.93ms. Allocated memory is still 270.5MB. Free memory was 211.5MB in the beginning and 200.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 20:24:07,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26726 SdHoareTripleChecker+Valid, 57.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26494 mSDsluCounter, 3964 SdHoareTripleChecker+Invalid, 48.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3272 mSDsCounter, 14488 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65346 IncrementalHoareTripleChecker+Invalid, 79834 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14488 mSolverCounterUnsat, 692 mSDtfsCounter, 65346 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33212 GetRequests, 32907 SyntacticMatches, 159 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9587 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 4866 NumberOfCodeBlocks, 4866 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 4836 ConstructedInterpolants, 0 QuantifiedInterpolants, 10011 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 28 PerfectInterpolantSequences, 3091/3111 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 491]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (a25 == 1 && !(a28 <= 10)) || (a17 <= 8 && a28 <= 10) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (a25 == 1 && !(a28 <= 10)) || (a17 <= 8 && a28 <= 10) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.59ms. Allocated memory is still 155.2MB. Free memory was 117.9MB in the beginning and 91.8MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.77ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 86.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.06ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 82.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1054.77ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 82.3MB in the beginning and 130.0MB in the end (delta: -47.7MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * CodeCheck took 11027.67ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 130.0MB in the beginning and 211.5MB in the end (delta: -81.5MB). Peak memory consumption was 143.4MB. Max. memory is 16.1GB. * Witness Printer took 113.93ms. Allocated memory is still 270.5MB. Free memory was 211.5MB in the beginning and 200.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:24:07,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc54660-f24a-4422-a249-09ffd613091f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE