./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01_bug02.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_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/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_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/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_2c6515f4-4980-4425-a06a-04d03b52bbc1/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 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e --- 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 16:33:26,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:26,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:26,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:26,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:26,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:26,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:26,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:26,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:26,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:26,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:26,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:26,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:26,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:26,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:26,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:26,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:26,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:26,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:26,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:26,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:26,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:26,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:26,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:26,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:26,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:26,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:26,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:26,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:26,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:26,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:26,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:26,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:26,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:26,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:26,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:26,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:26,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:26,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:26,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:26,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:26,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:33:26,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:26,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:26,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:26,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:26,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:26,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:26,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:26,315 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:26,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:26,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:26,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:26,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:26,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:26,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:26,317 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:26,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:26,318 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:26,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:26,319 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:26,319 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:26,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:26,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:26,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:26,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:26,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:26,321 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:26,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:26,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:26,322 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_2c6515f4-4980-4425-a06a-04d03b52bbc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e [2022-10-17 16:33:26,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:26,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:26,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:26,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:26,629 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:26,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/sum01_bug02.i [2022-10-17 16:33:26,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/data/5e7ed92bc/8731bde6ac5b4645bf13d345e8169ed6/FLAGf8bcb528f [2022-10-17 16:33:27,217 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:27,217 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/sv-benchmarks/c/loops/sum01_bug02.i [2022-10-17 16:33:27,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/data/5e7ed92bc/8731bde6ac5b4645bf13d345e8169ed6/FLAGf8bcb528f [2022-10-17 16:33:27,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/data/5e7ed92bc/8731bde6ac5b4645bf13d345e8169ed6 [2022-10-17 16:33:27,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:27,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:27,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:27,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:27,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:27,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f601c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27, skipping insertion in model container [2022-10-17 16:33:27,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:27,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:27,846 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_2c6515f4-4980-4425-a06a-04d03b52bbc1/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2022-10-17 16:33:27,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:27,868 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:27,881 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_2c6515f4-4980-4425-a06a-04d03b52bbc1/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2022-10-17 16:33:27,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:27,898 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:27,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27 WrapperNode [2022-10-17 16:33:27,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:27,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:27,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:27,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:27,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,933 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-10-17 16:33:27,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:27,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:27,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:27,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:27,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,952 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:27,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:27,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:27,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:27,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:27" (1/1) ... [2022-10-17 16:33:27,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:27,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:27,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:27,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:28,115 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:28,117 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:28,290 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:28,333 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:28,333 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:33:28,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:28 BoogieIcfgContainer [2022-10-17 16:33:28,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:28,338 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:28,338 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:28,349 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:28,349 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:28" (1/1) ... [2022-10-17 16:33:28,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:33:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:33:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:33:28,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:28,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:28,881 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 16:33:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:33:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:33:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:29,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:29,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:30,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:30,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2022-10-17 16:33:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2022-10-17 16:33:30,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:33:30,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:30,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:30,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:31,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 15 states and 32 transitions. [2022-10-17 16:33:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 32 transitions. [2022-10-17 16:33:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:33:31,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 16 states and 39 transitions. [2022-10-17 16:33:31,806 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 39 transitions. [2022-10-17 16:33:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:31,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,084 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 16:33:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 18 states and 47 transitions. [2022-10-17 16:33:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 47 transitions. [2022-10-17 16:33:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:32,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:33,266 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 16:33:33,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 19 states and 53 transitions. [2022-10-17 16:33:33,541 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 53 transitions. [2022-10-17 16:33:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:33:33,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:33,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:33,754 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 16:33:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 20 states and 59 transitions. [2022-10-17 16:33:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 59 transitions. [2022-10-17 16:33:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:34,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:34,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:35,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 22 states and 66 transitions. [2022-10-17 16:33:35,341 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 66 transitions. [2022-10-17 16:33:35,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:35,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:35,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 23 states and 71 transitions. [2022-10-17 16:33:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 71 transitions. [2022-10-17 16:33:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:35,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:35,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 24 states and 73 transitions. [2022-10-17 16:33:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 73 transitions. [2022-10-17 16:33:36,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:36,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:36,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 25 states and 78 transitions. [2022-10-17 16:33:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 78 transitions. [2022-10-17 16:33:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:37,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:37,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 26 states and 78 transitions. [2022-10-17 16:33:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 78 transitions. [2022-10-17 16:33:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:37,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:37,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 27 states and 79 transitions. [2022-10-17 16:33:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 79 transitions. [2022-10-17 16:33:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:38,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:38,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:39,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:39,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 29 states and 88 transitions. [2022-10-17 16:33:39,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 88 transitions. [2022-10-17 16:33:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:39,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:39,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:39,647 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:40,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:40,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 30 states and 89 transitions. [2022-10-17 16:33:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 89 transitions. [2022-10-17 16:33:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:40,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:40,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 31 states and 92 transitions. [2022-10-17 16:33:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 92 transitions. [2022-10-17 16:33:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:40,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:40,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:41,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:41,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 32 states and 96 transitions. [2022-10-17 16:33:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 96 transitions. [2022-10-17 16:33:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:41,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:41,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:41,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 33 states and 97 transitions. [2022-10-17 16:33:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 97 transitions. [2022-10-17 16:33:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:41,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 34 states and 97 transitions. [2022-10-17 16:33:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 97 transitions. [2022-10-17 16:33:42,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:33:42,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:42,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:33:42,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:33:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:33:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:33:42,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:33:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:33:42,407 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2022-10-17 16:33:42,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:33:42 ImpRootNode [2022-10-17 16:33:42,474 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:33:42,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:33:42,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:33:42,476 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:33:42,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:28" (3/4) ... [2022-10-17 16:33:42,478 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:33:42,530 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6515f4-4980-4425-a06a-04d03b52bbc1/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:33:42,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:33:42,532 INFO L158 Benchmark]: Toolchain (without parser) took 14950.22ms. Allocated memory was 115.3MB in the beginning and 247.5MB in the end (delta: 132.1MB). Free memory was 76.9MB in the beginning and 166.1MB in the end (delta: -89.2MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-10-17 16:33:42,532 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:42,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.97ms. Allocated memory is still 115.3MB. Free memory was 76.7MB in the beginning and 89.5MB in the end (delta: -12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:33:42,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.72ms. Allocated memory is still 115.3MB. Free memory was 89.5MB in the beginning and 88.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:42,535 INFO L158 Benchmark]: Boogie Preprocessor took 20.82ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 87.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:42,535 INFO L158 Benchmark]: RCFGBuilder took 381.08ms. Allocated memory is still 115.3MB. Free memory was 87.0MB in the beginning and 75.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:33:42,536 INFO L158 Benchmark]: CodeCheck took 14136.90ms. Allocated memory was 115.3MB in the beginning and 247.5MB in the end (delta: 132.1MB). Free memory was 75.5MB in the beginning and 168.2MB in the end (delta: -92.7MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2022-10-17 16:33:42,537 INFO L158 Benchmark]: Witness Printer took 55.31ms. Allocated memory is still 247.5MB. Free memory was 168.2MB in the beginning and 166.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:42,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.0s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 11.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1909 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4148 IncrementalHoareTripleChecker+Invalid, 6057 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1909 mSolverCounterUnsat, 36 mSDtfsCounter, 4148 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2180 GetRequests, 1969 SyntacticMatches, 85 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7088 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 2033 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 0/175 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int i, j=10, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, j=10, n=__VERIFIER_nondet_uint(), sn=0; VAL [j=10, n=0, n=6] [L24] COND FALSE !(n==2147483647) [L27] i=1 VAL [i=1, j=10, n=0, n=6] [L27] COND TRUE i<=n [L28] COND TRUE i