./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs2f.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_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/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_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/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_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/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 f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab --- 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 16:50:15,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:15,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:15,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:15,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:15,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:15,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:15,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:15,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:15,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:15,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:15,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:15,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:15,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:15,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:15,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:15,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:15,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:15,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:15,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:15,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:15,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:15,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:15,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:15,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:15,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:15,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:15,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:15,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:15,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:15,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:15,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:15,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:15,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:15,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:15,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:15,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:15,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:15,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:15,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:15,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:15,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:15,308 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:15,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:15,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:15,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:15,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:15,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:15,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:15,313 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:15,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:15,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:15,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:15,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:15,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:15,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:15,317 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:15,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:15,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:15,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:15,318 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:15,318 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:15,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:15,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:15,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:15,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:15,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:15,320 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:15,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:15,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:15,321 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_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab [2022-10-17 16:50:15,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:15,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:15,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:15,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:15,723 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:15,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/brs2f.c [2022-10-17 16:50:15,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/data/7e9bda591/5ae16957e00b4d1a9519712ecc17786e/FLAG1a49bd5e6 [2022-10-17 16:50:16,483 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:16,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/sv-benchmarks/c/array-fpi/brs2f.c [2022-10-17 16:50:16,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/data/7e9bda591/5ae16957e00b4d1a9519712ecc17786e/FLAG1a49bd5e6 [2022-10-17 16:50:16,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/data/7e9bda591/5ae16957e00b4d1a9519712ecc17786e [2022-10-17 16:50:16,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:16,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:16,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:16,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:16,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:16,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452c800a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16, skipping insertion in model container [2022-10-17 16:50:16,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:16,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:17,061 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_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2022-10-17 16:50:17,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:17,106 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:17,123 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_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2022-10-17 16:50:17,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:17,174 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:17,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17 WrapperNode [2022-10-17 16:50:17,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:17,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:17,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:17,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:17,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,246 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-10-17 16:50:17,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:17,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:17,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:17,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:17,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:17,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:17,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:17,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:17,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:17,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:17,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:17,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:50:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:50:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:50:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:50:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:50:17,531 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:17,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:17,806 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:17,904 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:17,904 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:50:17,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:17 BoogieIcfgContainer [2022-10-17 16:50:17,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:17,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:17,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:17,923 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:17,923 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:17,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 16:50:18,007 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 16:50:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:50:18,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,523 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 16:50:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:50:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:50:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:50:18,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:50:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:50:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:50:18,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 16:50:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 16:50:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:50:19,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2022-10-17 16:50:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2022-10-17 16:50:20,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:20,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:20,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:21,677 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 16:50:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2022-10-17 16:50:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2022-10-17 16:50:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:23,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 23 states and 46 transitions. [2022-10-17 16:50:24,393 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 46 transitions. [2022-10-17 16:50:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:50:24,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:24,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:50:24,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:50:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:50:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:50:24,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:50:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:50:24,814 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2022-10-17 16:50:24,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:50:24 ImpRootNode [2022-10-17 16:50:24,885 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:50:24,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:50:24,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:50:24,888 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:50:24,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:17" (3/4) ... [2022-10-17 16:50:24,891 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:50:24,999 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3e4e9b-cc17-4f45-bfa8-38ebe26091a6/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:50:25,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:50:25,001 INFO L158 Benchmark]: Toolchain (without parser) took 8167.71ms. Allocated memory was 90.2MB in the beginning and 167.8MB in the end (delta: 77.6MB). Free memory was 52.5MB in the beginning and 138.5MB in the end (delta: -86.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:25,004 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:25,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.05ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 52.3MB in the beginning and 92.1MB in the end (delta: -39.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-10-17 16:50:25,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.95ms. Allocated memory is still 115.3MB. Free memory was 92.1MB in the beginning and 90.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:25,009 INFO L158 Benchmark]: Boogie Preprocessor took 62.05ms. Allocated memory is still 115.3MB. Free memory was 90.6MB in the beginning and 89.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:25,010 INFO L158 Benchmark]: RCFGBuilder took 597.41ms. Allocated memory is still 115.3MB. Free memory was 89.0MB in the beginning and 74.9MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:50:25,010 INFO L158 Benchmark]: CodeCheck took 6977.32ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 74.3MB in the beginning and 141.6MB in the end (delta: -67.3MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2022-10-17 16:50:25,011 INFO L158 Benchmark]: Witness Printer took 112.64ms. Allocated memory is still 167.8MB. Free memory was 141.6MB in the beginning and 138.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:25,014 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 395 IncrementalHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 24 mSDtfsCounter, 395 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 513 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2944 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 8/22 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [a={2201:0}, i=0, N=3, sum={2203:0}] [L31] COND TRUE i