./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.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_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/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_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/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_6a3b9064-aed8-4196-b9fb-2703a975aa35/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 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 --- 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 16:31:15,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:15,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:15,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:15,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:15,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:15,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:15,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:15,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:15,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:15,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:15,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:15,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:15,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:15,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:15,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:15,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:15,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:15,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:15,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:15,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:15,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:15,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:15,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:15,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:15,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:15,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:15,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:15,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:15,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:15,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:15,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:15,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:15,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:15,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:15,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:15,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:15,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:15,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:15,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:15,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:15,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:15,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:15,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:15,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:15,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:15,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:15,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:15,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:15,326 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:15,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:15,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:15,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:15,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:15,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:15,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:15,328 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:15,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:15,329 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:15,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:15,329 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:15,329 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:15,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:15,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:15,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:15,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:15,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:15,331 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:15,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:15,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:15,332 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_6a3b9064-aed8-4196-b9fb-2703a975aa35/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 [2022-10-17 16:31:15,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:15,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:15,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:15,644 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:15,645 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:15,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2022-10-17 16:31:15,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/data/b9e7cba52/196a6a2141ab45c5ab24819ee9f75e42/FLAGba0ae9ce6 [2022-10-17 16:31:16,174 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:16,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2022-10-17 16:31:16,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/data/b9e7cba52/196a6a2141ab45c5ab24819ee9f75e42/FLAGba0ae9ce6 [2022-10-17 16:31:16,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/data/b9e7cba52/196a6a2141ab45c5ab24819ee9f75e42 [2022-10-17 16:31:16,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:16,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:16,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:16,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:16,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:16,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:16,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd4a9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16, skipping insertion in model container [2022-10-17 16:31:16,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:16,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:16,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:16,862 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_6a3b9064-aed8-4196-b9fb-2703a975aa35/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c[537,550] [2022-10-17 16:31:16,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:16,918 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:16,936 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_6a3b9064-aed8-4196-b9fb-2703a975aa35/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c[537,550] [2022-10-17 16:31:16,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:16,976 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:16,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16 WrapperNode [2022-10-17 16:31:16,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:16,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:16,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:16,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:16,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,037 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-10-17 16:31:17,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:17,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:17,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:17,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:17,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:17,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:17,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:17,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:17,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:16" (1/1) ... [2022-10-17 16:31:17,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:17,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:17,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:17,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3b9064-aed8-4196-b9fb-2703a975aa35/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:31:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:31:17,226 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:17,229 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:17,383 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:17,428 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:17,428 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:31:17,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:17 BoogieIcfgContainer [2022-10-17 16:31:17,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:17,432 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:17,432 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:17,444 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:17,444 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:17" (1/1) ... [2022-10-17 16:31:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:17,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:31:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:31:17,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:31:17,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:17,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:17,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:17,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:17,801 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 16:31:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:17,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:31:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:31:17,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:31:17,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:17,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,135 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 16:31:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2022-10-17 16:31:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2022-10-17 16:31:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:31:18,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:18,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:31:18,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:18,434 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 16:31:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:18,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2022-10-17 16:31:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2022-10-17 16:31:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:31:18,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:18,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2022-10-17 16:31:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2022-10-17 16:31:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:31:19,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:19,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:19,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:31:19,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:19,420 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:31:20,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:20,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2022-10-17 16:31:20,093 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2022-10-17 16:31:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:31:20,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:20,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:20,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:31:20,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:20,226 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:31:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 48 states and 109 transitions. [2022-10-17 16:31:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 109 transitions. [2022-10-17 16:31:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:31:21,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:21,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:21,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:31:21,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:31:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 54 states and 127 transitions. [2022-10-17 16:31:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 127 transitions. [2022-10-17 16:31:22,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:31:22,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:22,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:22,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:31:22,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:31:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 132 transitions. [2022-10-17 16:31:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 132 transitions. [2022-10-17 16:31:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:31:23,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:23,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:23,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:31:23,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.