./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label00.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_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/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_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/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_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/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 52a645593204c6f476051b31440ec14a41c401d84d7e9192f917b4442a051dce --- 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 19:21:09,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:21:09,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:21:09,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:21:09,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:21:09,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:21:09,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:21:09,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:21:09,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:21:09,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:21:09,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:21:09,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:21:09,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:21:09,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:21:09,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:21:09,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:21:09,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:21:09,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:21:09,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:21:09,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:21:09,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:21:09,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:21:09,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:21:09,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:21:09,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:21:09,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:21:09,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:21:09,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:21:09,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:21:09,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:21:09,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:21:09,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:21:09,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:21:09,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:21:09,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:21:09,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:21:09,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:21:09,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:21:09,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:21:09,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:21:09,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:21:09,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:21:09,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:21:09,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:21:09,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:21:09,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:21:09,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:21:09,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:21:09,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:21:09,307 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:21:09,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:21:09,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:21:09,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:21:09,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:21:09,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:21:09,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:21:09,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:21:09,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:21:09,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:21:09,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:21:09,309 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:21:09,309 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:21:09,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:21:09,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:21:09,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:21:09,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:21:09,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:21:09,310 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:21:09,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:21:09,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:21:09,311 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_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52a645593204c6f476051b31440ec14a41c401d84d7e9192f917b4442a051dce [2022-12-14 19:21:09,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:21:09,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:21:09,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:21:09,505 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:21:09,505 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:21:09,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem07_label00.c [2022-12-14 19:21:12,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:21:13,280 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:21:13,280 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/sv-benchmarks/c/eca-rers2012/Problem07_label00.c [2022-12-14 19:21:13,404 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/data/e269c6178/1255cd5e68d54a37859a167c5220ecd3/FLAG54e0942ed [2022-12-14 19:21:13,416 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/data/e269c6178/1255cd5e68d54a37859a167c5220ecd3 [2022-12-14 19:21:13,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:21:13,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:21:13,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:21:13,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:21:13,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:21:13,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:13" (1/1) ... [2022-12-14 19:21:13,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32516a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:13, skipping insertion in model container [2022-12-14 19:21:13,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:13" (1/1) ... [2022-12-14 19:21:13,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:21:14,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:21:23,794 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_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/sv-benchmarks/c/eca-rers2012/Problem07_label00.c[2776317,2776330] [2022-12-14 19:21:23,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:21:23,849 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:21:29,710 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_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/sv-benchmarks/c/eca-rers2012/Problem07_label00.c[2776317,2776330] [2022-12-14 19:21:29,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:21:30,296 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:21:30,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30 WrapperNode [2022-12-14 19:21:30,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:21:30,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:21:30,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:21:30,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:21:30,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:30,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:31,648 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2022-12-14 19:21:31,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:21:31,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:21:31,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:21:31,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:21:31,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:31,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:31,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:31,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:32,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:32,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:32,736 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:32,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:33,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:21:33,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:21:33,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:21:33,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:21:33,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:30" (1/1) ... [2022-12-14 19:21:33,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:21:33,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:21:33,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:21:33,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e0a9ce-f2b1-477e-bd05-eefbf0c46880/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:21:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:21:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:21:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:21:33,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:21:33,203 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:21:33,204 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:22:01,872 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:22:02,540 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:22:02,541 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:22:02,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:22:02 BoogieIcfgContainer [2022-12-14 19:22:02,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:22:02,550 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:22:02,551 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:22:02,557 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:22:02,557 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:22:02" (1/1) ... [2022-12-14 19:22:02,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:22:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:22:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2022-12-14 19:22:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2022-12-14 19:22:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2022-12-14 19:22:03,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:22:03,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:22:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:22:52,078 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 19:23:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:23:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30301 states to 20218 states and 30301 transitions. [2022-12-14 19:23:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 30301 transitions. [2022-12-14 19:23:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12981 [2022-12-14 19:23:35,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:23:35,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:23:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2881 backedges. 2881 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:25:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:25:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40585 states to 30314 states and 40585 transitions. [2022-12-14 19:25:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 30314 states and 40585 transitions. [2022-12-14 19:25:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12985 [2022-12-14 19:25:15,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:25:15,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:25:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:25:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 2885 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:25:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:25:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40604 states to 30331 states and 40604 transitions. [2022-12-14 19:25:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 30331 states and 40604 transitions. [2022-12-14 19:25:59,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12986 [2022-12-14 19:25:59,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:25:59,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:26:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:27:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2890 backedges. 2890 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:27:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:27:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40625 states to 30349 states and 40625 transitions. [2022-12-14 19:27:09,514 INFO L276 IsEmpty]: Start isEmpty. Operand 30349 states and 40625 transitions. [2022-12-14 19:27:10,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12989 [2022-12-14 19:27:10,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:27:10,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:27:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:27:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 2889 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 19:27:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:27:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40650 states to 30370 states and 40650 transitions. [2022-12-14 19:27:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 30370 states and 40650 transitions. [2022-12-14 19:27:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12992 [2022-12-14 19:27:52,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:27:52,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:27:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:28:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2902 backedges. 2892 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 19:28:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:28:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40679 states to 30394 states and 40679 transitions. [2022-12-14 19:28:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 30394 states and 40679 transitions. [2022-12-14 19:28:39,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12994 [2022-12-14 19:28:39,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:28:39,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:28:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 2894 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 19:29:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40711 states to 30420 states and 40711 transitions. [2022-12-14 19:29:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 30420 states and 40711 transitions. [2022-12-14 19:29:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13000 [2022-12-14 19:29:19,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:19,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2918 backedges. 2900 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 19:30:00,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:30:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40750 states to 30452 states and 40750 transitions. [2022-12-14 19:30:00,645 INFO L276 IsEmpty]: Start isEmpty. Operand 30452 states and 40750 transitions. [2022-12-14 19:30:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13002 [2022-12-14 19:30:01,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:30:01,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:30:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:31:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2922 backedges. 2922 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:31:05,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:31:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40790 states to 30486 states and 40790 transitions. [2022-12-14 19:31:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 30486 states and 40790 transitions. [2022-12-14 19:31:06,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13005 [2022-12-14 19:31:06,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:31:06,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:31:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:31:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2905 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-14 19:31:50,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:31:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40806 states to 30499 states and 40806 transitions. [2022-12-14 19:31:51,017 INFO L276 IsEmpty]: Start isEmpty. Operand 30499 states and 40806 transitions. [2022-12-14 19:31:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13008 [2022-12-14 19:31:51,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:31:51,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:31:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat