./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/mapavg5.i --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_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/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_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/mapavg5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/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_0c95b9cc-4902-44e5-88b7-4c42430ca6be/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 407fcf7d2eac351408fa4d5f2ec0e8445116bd56ec588be775b50f5c012c0e01 --- 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 16:36:27,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:27,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:27,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:27,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:27,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:27,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:27,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:27,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:27,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:27,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:27,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:27,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:27,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:27,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:27,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:27,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:27,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:27,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:27,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:27,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:27,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:27,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:27,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:27,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:27,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:27,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:27,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:27,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:27,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:27,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:27,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:27,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:27,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:27,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:27,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:27,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:27,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:27,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:27,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:27,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:27,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:27,463 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:27,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:27,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:27,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:27,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:27,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:27,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:27,465 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:27,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:27,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:27,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:27,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:27,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:27,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:27,467 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:27,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:27,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:27,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:27,467 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:27,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:27,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:27,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:27,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:27,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:27,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:27,469 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:27,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:27,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:27,470 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_0c95b9cc-4902-44e5-88b7-4c42430ca6be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407fcf7d2eac351408fa4d5f2ec0e8445116bd56ec588be775b50f5c012c0e01 [2022-10-17 16:36:27,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:27,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:27,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:27,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:27,766 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:27,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-crafted/mapavg5.i [2022-10-17 16:36:27,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/data/c3538ba1c/8a027444d6ea46a8aefda75f20da2cf9/FLAGc9bed6207 [2022-10-17 16:36:28,402 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:28,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/sv-benchmarks/c/array-crafted/mapavg5.i [2022-10-17 16:36:28,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/data/c3538ba1c/8a027444d6ea46a8aefda75f20da2cf9/FLAGc9bed6207 [2022-10-17 16:36:28,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/data/c3538ba1c/8a027444d6ea46a8aefda75f20da2cf9 [2022-10-17 16:36:28,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:28,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:28,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:28,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:28,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:28,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:28" (1/1) ... [2022-10-17 16:36:28,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600b6673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:28, skipping insertion in model container [2022-10-17 16:36:28,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:28" (1/1) ... [2022-10-17 16:36:28,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:28,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:29,023 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_0c95b9cc-4902-44e5-88b7-4c42430ca6be/sv-benchmarks/c/array-crafted/mapavg5.i[1383,1396] [2022-10-17 16:36:29,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:29,049 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:29,091 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_0c95b9cc-4902-44e5-88b7-4c42430ca6be/sv-benchmarks/c/array-crafted/mapavg5.i[1383,1396] [2022-10-17 16:36:29,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:29,104 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:29,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29 WrapperNode [2022-10-17 16:36:29,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:29,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:29,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:29,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:29,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,143 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2022-10-17 16:36:29,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:29,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:29,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:29,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:29,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,167 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:29,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:29,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:29,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:29,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:29,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:29,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:29,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c95b9cc-4902-44e5-88b7-4c42430ca6be/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:36:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:36:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:29,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:36:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure mapavg [2022-10-17 16:36:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mapavg [2022-10-17 16:36:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:36:29,346 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:29,348 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:29,525 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:29,597 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:29,612 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:36:29,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:29 BoogieIcfgContainer [2022-10-17 16:36:29,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:29,616 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:29,616 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:29,645 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:29,645 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:29,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-10-17 16:36:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-10-17 16:36:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:36:29,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:29,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:30,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:36:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:30,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-10-17 16:36:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-10-17 16:36:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:36:30,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:30,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:36:30,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:36:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:30,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2022-10-17 16:36:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-10-17 16:36:30,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:36:30,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:30,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:30,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:36:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2022-10-17 16:36:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-10-17 16:36:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:36:30,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:30,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:36:30,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:36:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:30,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 33 transitions. [2022-10-17 16:36:30,863 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-10-17 16:36:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:36:30,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:30,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:30,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:36:31,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2022-10-17 16:36:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 16:36:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:36:31,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:31,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:31,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:31,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:36:31,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 37 transitions. [2022-10-17 16:36:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-10-17 16:36:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:36:31,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:31,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:31,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:31,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:36:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:31,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-10-17 16:36:31,542 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 16:36:31,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:36:31,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:31,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:31,878 WARN L261 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 105 conjunts are in the unsatisfiable core [2022-10-17 16:36:31,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:31,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-17 16:36:33,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:36:33,066 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:36:33,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 281 treesize of output 151 [2022-10-17 16:36:50,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:36:51,003 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:36:51,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 489 treesize of output 264 [2022-10-17 16:36:57,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:36:57,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:36:57,939 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:36:57,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 406 treesize of output 276 [2022-10-17 16:37:08,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:37:08,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:37:08,587 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:37:08,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 739 treesize of output 382