./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/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_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/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_6d219add-1a69-429d-9763-84429004551a/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 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e --- 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 22:27:30,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:27:30,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:27:30,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:27:30,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:27:30,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:27:30,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:27:30,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:27:30,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:27:30,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:27:30,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:27:30,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:27:30,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:27:30,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:27:30,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:27:30,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:27:30,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:27:30,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:27:30,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:27:30,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:27:30,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:27:30,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:27:30,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:27:30,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:27:30,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:27:30,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:27:30,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:27:30,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:27:30,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:27:30,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:27:30,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:27:30,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:27:30,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:27:30,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:27:30,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:27:30,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:27:30,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:27:30,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:27:30,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:27:30,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:27:30,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:27:30,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:27:30,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:27:30,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:27:30,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:27:30,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:27:30,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:27:30,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:27:30,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:27:30,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:27:30,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:27:30,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:27:30,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:27:30,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:27:30,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:27:30,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:27:30,252 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:27:30,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:27:30,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:27:30,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:27:30,253 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:27:30,253 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:27:30,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:27:30,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:27:30,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:27:30,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:27:30,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:27:30,254 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:27:30,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:27:30,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:27:30,254 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_6d219add-1a69-429d-9763-84429004551a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e [2022-12-14 22:27:30,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:27:30,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:27:30,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:27:30,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:27:30,495 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:27:30,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2022-12-14 22:27:33,178 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:27:33,354 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:27:33,355 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2022-12-14 22:27:33,362 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/data/8292c4ac1/9ce84c5aaf4742f582b9be7c5a13314a/FLAG7f8e04886 [2022-12-14 22:27:33,376 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/data/8292c4ac1/9ce84c5aaf4742f582b9be7c5a13314a [2022-12-14 22:27:33,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:27:33,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:27:33,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:27:33,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:27:33,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:27:33,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7ca91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33, skipping insertion in model container [2022-12-14 22:27:33,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:27:33,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:27:33,579 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_6d219add-1a69-429d-9763-84429004551a/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2022-12-14 22:27:33,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:27:33,689 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:27:33,707 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_6d219add-1a69-429d-9763-84429004551a/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2022-12-14 22:27:33,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:27:33,787 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:27:33,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33 WrapperNode [2022-12-14 22:27:33,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:27:33,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:27:33,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:27:33,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:27:33,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,862 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-14 22:27:33,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:27:33,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:27:33,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:27:33,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:27:33,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:27:33,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:27:33,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:27:33,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:27:33,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:27:33" (1/1) ... [2022-12-14 22:27:33,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:27:33,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:27:33,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:27:33,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:27:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:27:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:27:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:27:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:27:34,053 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:27:34,055 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:27:34,859 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:27:36,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:27:36,256 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:27:36,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:27:36 BoogieIcfgContainer [2022-12-14 22:27:36,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:27:36,259 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:27:36,259 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:27:36,266 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:27:36,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:27:36" (1/1) ... [2022-12-14 22:27:36,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:27:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:27:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 22:27:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 22:27:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:27:36,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:27:36,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:27:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:27:36,451 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 22:27:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:27:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 22:27:36,509 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 22:27:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:27:36,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:27:36,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:27:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:27:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:27:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:27:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-12-14 22:27:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-12-14 22:27:43,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:27:43,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:27:43,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:27:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:27:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:28:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:28:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2022-12-14 22:28:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2022-12-14 22:28:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:28:00,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:28:00,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:28:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:28:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:28:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:28:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2022-12-14 22:28:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2022-12-14 22:28:15,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:28:15,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:28:15,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:28:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:28:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 22:28:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:28:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 37 states and 75 transitions. [2022-12-14 22:28:25,559 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 75 transitions. [2022-12-14 22:28:25,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:28:25,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:28:25,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:28:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:28:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 22:28:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:28:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2022-12-14 22:28:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2022-12-14 22:28:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:28:35,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:28:35,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:28:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:28:43,845 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 22:28:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:28:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2022-12-14 22:28:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2022-12-14 22:28:44,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:28:44,153 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-14 22:28:44,158 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:28:44,442 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-12-14 22:28:44,451 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-14 22:28:44,452 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:28:44,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:28:44 ImpRootNode [2022-12-14 22:28:44,452 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:28:44,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:28:44,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:28:44,453 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:28:44,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:27:36" (3/4) ... [2022-12-14 22:28:44,456 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:28:44,476 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2022-12-14 22:28:44,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-14 22:28:44,480 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 22:28:44,482 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:28:44,581 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:28:44,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:28:44,582 INFO L158 Benchmark]: Toolchain (without parser) took 71202.37ms. Allocated memory was 203.4MB in the beginning and 1.0GB in the end (delta: 803.2MB). Free memory was 160.3MB in the beginning and 330.7MB in the end (delta: -170.4MB). Peak memory consumption was 631.7MB. Max. memory is 16.1GB. [2022-12-14 22:28:44,583 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 78.0MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:28:44,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.59ms. Allocated memory is still 203.4MB. Free memory was 160.3MB in the beginning and 153.8MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 22:28:44,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.58ms. Allocated memory is still 203.4MB. Free memory was 153.8MB in the beginning and 145.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 22:28:44,584 INFO L158 Benchmark]: Boogie Preprocessor took 60.91ms. Allocated memory is still 203.4MB. Free memory was 145.4MB in the beginning and 140.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 22:28:44,584 INFO L158 Benchmark]: RCFGBuilder took 2333.29ms. Allocated memory was 203.4MB in the beginning and 310.4MB in the end (delta: 107.0MB). Free memory was 140.1MB in the beginning and 170.0MB in the end (delta: -29.8MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. [2022-12-14 22:28:44,584 INFO L158 Benchmark]: CodeCheck took 68193.68ms. Allocated memory was 310.4MB in the beginning and 1.0GB in the end (delta: 696.3MB). Free memory was 168.9MB in the beginning and 341.2MB in the end (delta: -172.3MB). Peak memory consumption was 522.9MB. Max. memory is 16.1GB. [2022-12-14 22:28:44,584 INFO L158 Benchmark]: Witness Printer took 128.70ms. Allocated memory is still 1.0GB. Free memory was 341.2MB in the beginning and 330.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:28:44,586 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 67.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 744 IncrementalHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 109 mSDtfsCounter, 744 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 944 GetRequests, 820 SyntacticMatches, 40 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3039 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 63.6s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1388 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 54/86 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: 128]: 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: 592]: Loop Invariant Derived loop invariant: ((((!(a10 == 1) || 219 <= a1) && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && 9 <= a19)) || (((438172 + a1 <= 0 || a19 <= 7) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a10 == 1) || (a1 <= 38 && !(a1 + 13 <= 0))) || !(a19 == 8)) && 14 == a4) && a12 == 0 - InvariantResult [Line: 586]: 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 109.1MB. Free memory was 78.1MB in the beginning and 78.0MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.59ms. Allocated memory is still 203.4MB. Free memory was 160.3MB in the beginning and 153.8MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.58ms. Allocated memory is still 203.4MB. Free memory was 153.8MB in the beginning and 145.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.91ms. Allocated memory is still 203.4MB. Free memory was 145.4MB in the beginning and 140.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2333.29ms. Allocated memory was 203.4MB in the beginning and 310.4MB in the end (delta: 107.0MB). Free memory was 140.1MB in the beginning and 170.0MB in the end (delta: -29.8MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. * CodeCheck took 68193.68ms. Allocated memory was 310.4MB in the beginning and 1.0GB in the end (delta: 696.3MB). Free memory was 168.9MB in the beginning and 341.2MB in the end (delta: -172.3MB). Peak memory consumption was 522.9MB. Max. memory is 16.1GB. * Witness Printer took 128.70ms. Allocated memory is still 1.0GB. Free memory was 341.2MB in the beginning and 330.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:28:44,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d219add-1a69-429d-9763-84429004551a/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