./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB --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 e2ce90b08f9dc9315f13f0d8408b309f0856f833532caca0391f68d5a9cb9786 --- 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-dbf71c6-m [2022-10-17 17:06:17,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:17,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:17,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:17,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:17,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:17,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:17,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:17,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:17,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:17,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:17,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:17,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:17,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:17,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:17,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:17,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:17,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:17,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:17,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:17,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:17,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:17,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:17,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:17,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:17,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:17,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:17,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:17,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:17,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:17,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:17,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:17,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:17,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:17,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:17,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:17,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:17,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:17,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:17,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:17,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:17,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:06:17,461 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:17,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:17,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:17,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:17,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:17,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:17,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:17,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:17,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:17,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:17,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:17,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:17,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:17,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:17,466 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:17,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:17,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:17,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:17,467 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:17,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:17,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:17,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:17,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:17,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:17,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:17,469 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:17,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:17,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:17,470 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_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2ce90b08f9dc9315f13f0d8408b309f0856f833532caca0391f68d5a9cb9786 [2022-10-17 17:06:17,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:17,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:17,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:17,853 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:17,854 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:17,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label49.c [2022-10-17 17:06:17,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/data/1609f2596/d55431749e3e44bf9596c7f86cb25e5e/FLAG8b7aceb01 [2022-10-17 17:06:18,778 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:18,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/sv-benchmarks/c/eca-rers2012/Problem03_label49.c [2022-10-17 17:06:18,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/data/1609f2596/d55431749e3e44bf9596c7f86cb25e5e/FLAG8b7aceb01 [2022-10-17 17:06:18,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/data/1609f2596/d55431749e3e44bf9596c7f86cb25e5e [2022-10-17 17:06:18,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:18,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:18,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:18,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:18,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:18,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:18" (1/1) ... [2022-10-17 17:06:18,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e69094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:18, skipping insertion in model container [2022-10-17 17:06:18,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:18" (1/1) ... [2022-10-17 17:06:18,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:19,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:19,693 WARN L230 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_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/sv-benchmarks/c/eca-rers2012/Problem03_label49.c[56899,56912] [2022-10-17 17:06:19,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:19,731 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:20,013 WARN L230 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_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/sv-benchmarks/c/eca-rers2012/Problem03_label49.c[56899,56912] [2022-10-17 17:06:20,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:20,053 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:20,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20 WrapperNode [2022-10-17 17:06:20,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:20,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:20,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:20,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:20,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,216 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 17:06:20,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:20,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:20,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:20,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:20,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:20,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:20,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:20,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:20,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:20" (1/1) ... [2022-10-17 17:06:20,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:20,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:20,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:20,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9fecc6-ed56-4d11-b12c-3589b2953c6d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:20,622 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:20,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:22,959 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:23,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:23,410 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:06:23,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:23 BoogieIcfgContainer [2022-10-17 17:06:23,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:06:23,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:06:23,416 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:06:23,427 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:06:23,428 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:23" (1/1) ... [2022-10-17 17:06:23,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:06:23,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 17:06:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 17:06:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 17:06:23,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:23,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 289 states and 500 transitions. [2022-10-17 17:06:25,947 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 500 transitions. [2022-10-17 17:06:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-17 17:06:25,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:25,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 292 states and 505 transitions. [2022-10-17 17:06:26,586 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 505 transitions. [2022-10-17 17:06:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 17:06:26,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:26,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 434 states and 697 transitions. [2022-10-17 17:06:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 697 transitions. [2022-10-17 17:06:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 17:06:28,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:28,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:28,973 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 441 states and 708 transitions. [2022-10-17 17:06:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 708 transitions. [2022-10-17 17:06:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-17 17:06:29,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:29,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 449 states and 721 transitions. [2022-10-17 17:06:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 721 transitions. [2022-10-17 17:06:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 17:06:29,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:29,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 453 states and 738 transitions. [2022-10-17 17:06:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 738 transitions. [2022-10-17 17:06:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 17:06:30,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:30,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 463 states and 753 transitions. [2022-10-17 17:06:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 753 transitions. [2022-10-17 17:06:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 17:06:31,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:31,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:06:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 464 states and 762 transitions. [2022-10-17 17:06:32,130 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 762 transitions. [2022-10-17 17:06:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-17 17:06:32,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:06:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 468 states and 772 transitions. [2022-10-17 17:06:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 772 transitions. [2022-10-17 17:06:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-17 17:06:33,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:33,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:06:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:33,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 475 states and 781 transitions. [2022-10-17 17:06:33,336 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 781 transitions. [2022-10-17 17:06:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 17:06:33,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:33,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:33,906 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:34,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 502 states and 821 transitions. [2022-10-17 17:06:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 821 transitions. [2022-10-17 17:06:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-17 17:06:34,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:34,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:35,742 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:06:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 513 states and 847 transitions. [2022-10-17 17:06:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 847 transitions. [2022-10-17 17:06:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-17 17:06:36,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:06:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 517 states and 852 transitions. [2022-10-17 17:06:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 852 transitions. [2022-10-17 17:06:37,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-17 17:06:37,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:37,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:06:38,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 524 states and 864 transitions. [2022-10-17 17:06:38,676 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 864 transitions. [2022-10-17 17:06:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-17 17:06:38,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:38,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 556 states and 910 transitions. [2022-10-17 17:06:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 910 transitions. [2022-10-17 17:06:40,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-17 17:06:40,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:40,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:06:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 578 states and 933 transitions. [2022-10-17 17:06:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 933 transitions. [2022-10-17 17:06:40,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-17 17:06:40,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:40,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:42,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 604 states and 963 transitions. [2022-10-17 17:06:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 963 transitions. [2022-10-17 17:06:42,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-17 17:06:42,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:42,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:42,368 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:06:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 615 states and 982 transitions. [2022-10-17 17:06:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 982 transitions. [2022-10-17 17:06:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-17 17:06:43,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:43,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.