./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label00.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_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/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_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/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_d9d8219d-78f2-47ae-afde-1d87e9c90dde/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 ffd72ef89348fd5e273af3c1733f133dd28935127e182bb3008c6cb7158bfc8e --- 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 23:28:20,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:28:20,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:28:20,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:28:20,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:28:20,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:28:20,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:28:20,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:28:20,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:28:20,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:28:20,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:28:20,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:28:20,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:28:20,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:28:20,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:28:20,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:28:20,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:28:20,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:28:20,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:28:20,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:28:20,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:28:20,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:28:20,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:28:20,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:28:20,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:28:20,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:28:20,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:28:20,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:28:20,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:28:20,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:28:20,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:28:20,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:28:20,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:28:20,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:28:20,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:28:20,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:28:20,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:28:20,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:28:20,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:28:20,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:28:20,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:28:20,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:28:20,398 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:28:20,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:28:20,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:28:20,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:28:20,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:28:20,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:28:20,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:28:20,405 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:28:20,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:28:20,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:28:20,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:28:20,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:28:20,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:28:20,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:28:20,406 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:28:20,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:28:20,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:28:20,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:28:20,406 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:28:20,407 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:28:20,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:28:20,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:28:20,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:28:20,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:28:20,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:28:20,408 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:28:20,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:28:20,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:28:20,408 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_d9d8219d-78f2-47ae-afde-1d87e9c90dde/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffd72ef89348fd5e273af3c1733f133dd28935127e182bb3008c6cb7158bfc8e [2022-12-14 23:28:20,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:28:20,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:28:20,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:28:20,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:28:20,593 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:28:20,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-programs/Problem102_label00.c [2022-12-14 23:28:23,193 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:28:24,940 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:28:24,941 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/sv-benchmarks/c/eca-programs/Problem102_label00.c [2022-12-14 23:28:25,171 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/data/2eb0e65e8/f46cbe85d794445987ddcf42293bc0d5/FLAGc43443ca7 [2022-12-14 23:28:25,184 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/data/2eb0e65e8/f46cbe85d794445987ddcf42293bc0d5 [2022-12-14 23:28:25,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:28:25,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:28:25,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:28:25,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:28:25,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:28:25,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:28:25" (1/1) ... [2022-12-14 23:28:25,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edcd113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:28:25, skipping insertion in model container [2022-12-14 23:28:25,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:28:25" (1/1) ... [2022-12-14 23:28:25,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:28:26,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:28:48,815 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_d9d8219d-78f2-47ae-afde-1d87e9c90dde/sv-benchmarks/c/eca-programs/Problem102_label00.c[5715595,5715608] [2022-12-14 23:28:48,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:28:48,911 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:29:00,977 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_d9d8219d-78f2-47ae-afde-1d87e9c90dde/sv-benchmarks/c/eca-programs/Problem102_label00.c[5715595,5715608] [2022-12-14 23:29:00,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:29:03,838 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:29:03,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03 WrapperNode [2022-12-14 23:29:03,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:29:03,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:29:03,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:29:03,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:29:03,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:04,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:06,496 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2022-12-14 23:29:06,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:29:06,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:29:06,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:29:06,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:29:06,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:06,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:06,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:06,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:07,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:08,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:08,345 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:08,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:09,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:29:09,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:29:09,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:29:09,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:29:09,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:29:03" (1/1) ... [2022-12-14 23:29:09,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:29:09,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:29:09,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:29:09,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9d8219d-78f2-47ae-afde-1d87e9c90dde/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:29:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:29:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:29:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:29:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:29:09,403 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:29:09,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:30:07,490 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:31:17,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:31:17,844 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:31:17,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:31:17 BoogieIcfgContainer [2022-12-14 23:31:17,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:31:17,858 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:31:17,858 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:31:17,864 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:31:17,864 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:31:17" (1/1) ... [2022-12-14 23:31:17,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:31:18,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35805 states to 17947 states and 35805 transitions. [2022-12-14 23:31:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand 17947 states and 35805 transitions. [2022-12-14 23:31:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17862 [2022-12-14 23:31:19,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:19,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:32:52,906 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 23:33:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:33:50,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62982 states to 35806 states and 62982 transitions. [2022-12-14 23:33:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 35806 states and 62982 transitions. [2022-12-14 23:33:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17867 [2022-12-14 23:33:51,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:33:51,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:33:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:35:18,906 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 23:35:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:35:20,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62988 states to 35810 states and 62988 transitions. [2022-12-14 23:35:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 35810 states and 62988 transitions. [2022-12-14 23:35:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17869 [2022-12-14 23:35:21,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:35:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:35:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat