./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label41.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_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/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_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/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_ffd90e1b-1938-4c0b-936c-db047071c643/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 6d59d9c36c38950af66f00508a009d1815ace658d44cb18d22098ac10286ee0b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:10:59,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:10:59,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:10:59,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:10:59,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:10:59,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:10:59,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:10:59,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:10:59,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:10:59,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:10:59,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:10:59,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:10:59,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:10:59,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:10:59,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:10:59,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:10:59,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:10:59,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:10:59,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:10:59,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:10:59,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:10:59,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:10:59,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:10:59,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:10:59,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:10:59,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:10:59,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:10:59,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:10:59,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:10:59,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:10:59,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:10:59,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:10:59,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:10:59,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:10:59,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:10:59,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:10:59,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:10:59,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:10:59,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:10:59,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:10:59,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:10:59,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 21:10:59,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:10:59,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:10:59,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:10:59,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:10:59,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:10:59,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:10:59,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:10:59,459 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:10:59,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:10:59,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:10:59,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:10:59,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:10:59,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:10:59,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:10:59,460 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:10:59,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:10:59,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:10:59,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:10:59,460 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:10:59,461 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:10:59,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:10:59,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:10:59,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:10:59,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:10:59,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:10:59,462 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:10:59,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:10:59,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:10:59,462 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_ffd90e1b-1938-4c0b-936c-db047071c643/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d59d9c36c38950af66f00508a009d1815ace658d44cb18d22098ac10286ee0b [2022-12-14 21:10:59,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:10:59,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:10:59,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:10:59,671 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:10:59,672 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:10:59,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-programs/Problem103_label41.c [2022-12-14 21:11:02,258 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:11:04,162 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:11:04,163 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/sv-benchmarks/c/eca-programs/Problem103_label41.c [2022-12-14 21:11:04,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/data/2a46378cc/978895a4cdf745b19d4be7d46bd1c92e/FLAG368bc002f [2022-12-14 21:11:04,496 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/data/2a46378cc/978895a4cdf745b19d4be7d46bd1c92e [2022-12-14 21:11:04,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:11:04,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:11:04,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:11:04,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:11:04,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:11:04,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:11:04" (1/1) ... [2022-12-14 21:11:04,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da835cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:04, skipping insertion in model container [2022-12-14 21:11:04,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:11:04" (1/1) ... [2022-12-14 21:11:04,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:11:05,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:11:29,288 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_ffd90e1b-1938-4c0b-936c-db047071c643/sv-benchmarks/c/eca-programs/Problem103_label41.c[6301980,6301993] [2022-12-14 21:11:29,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:11:29,399 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:11:42,107 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_ffd90e1b-1938-4c0b-936c-db047071c643/sv-benchmarks/c/eca-programs/Problem103_label41.c[6301980,6301993] [2022-12-14 21:11:42,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:11:45,151 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:11:45,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45 WrapperNode [2022-12-14 21:11:45,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:11:45,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:11:45,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:11:45,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:11:45,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:45,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:48,160 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197824 [2022-12-14 21:11:48,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:11:48,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:11:48,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:11:48,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:11:48,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:48,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:48,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:48,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:49,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:50,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:50,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:50,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:50,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:11:50,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:11:50,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:11:50,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:11:50,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:45" (1/1) ... [2022-12-14 21:11:50,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:11:50,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:11:50,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:11:50,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd90e1b-1938-4c0b-936c-db047071c643/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:11:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:11:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:11:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:11:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:11:51,135 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:11:51,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:12:57,016 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:13:45,285 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:13:45,285 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:13:45,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:45 BoogieIcfgContainer [2022-12-14 21:13:45,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:13:45,298 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:13:45,298 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:13:45,304 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:13:45,304 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:45" (1/1) ... [2022-12-14 21:13:45,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:13:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33006 states to 16544 states and 33006 transitions. [2022-12-14 21:13:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 33006 transitions. [2022-12-14 21:13:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16466 [2022-12-14 21:13:47,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:47,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:16:05,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58997 states to 33007 states and 58997 transitions. [2022-12-14 21:16:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 33007 states and 58997 transitions. [2022-12-14 21:16:07,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16470 [2022-12-14 21:16:07,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:07,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59002 states to 33010 states and 59002 transitions. [2022-12-14 21:17:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 33010 states and 59002 transitions. [2022-12-14 21:17:18,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16471 [2022-12-14 21:17:18,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:18,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:18:21,702 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 21:18:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:18:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59003 states to 33011 states and 59003 transitions. [2022-12-14 21:18:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 33011 states and 59003 transitions. [2022-12-14 21:18:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16472 [2022-12-14 21:18:23,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:18:23,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:18:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:19:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:19:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:19:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59011 states to 33016 states and 59011 transitions. [2022-12-14 21:19:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 33016 states and 59011 transitions. [2022-12-14 21:19:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16473 [2022-12-14 21:19:33,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:19:33,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:19:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:20:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:20:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:20:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59021 states to 33022 states and 59021 transitions. [2022-12-14 21:20:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 33022 states and 59021 transitions. [2022-12-14 21:20:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16474 [2022-12-14 21:20:33,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:20:33,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:20:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat