./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ssinaf.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_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/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_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ssinaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/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_6bf90677-401a-44a1-a1d8-de7aaaea905c/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 ddcf6f6b8b47c7423a3bd6901a6e7495bbcabee1ee319bc4ff81e77a0ec22bd8 --- 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 16:42:11,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:11,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:11,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:11,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:11,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:11,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:11,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:11,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:11,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:11,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:11,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:11,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:11,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:11,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:11,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:11,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:11,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:11,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:11,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:11,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:11,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:11,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:11,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:11,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:11,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:11,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:11,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:11,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:11,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:11,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:11,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:11,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:11,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:11,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:11,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:11,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:11,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:11,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:11,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:11,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:11,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:11,664 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:11,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:11,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:11,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:11,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:11,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:11,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:11,668 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:11,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:11,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:11,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:11,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:11,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:11,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:11,670 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:11,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:11,671 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:11,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:11,671 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:11,671 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:11,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:11,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:11,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:11,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:11,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:11,673 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:11,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:11,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:11,675 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_6bf90677-401a-44a1-a1d8-de7aaaea905c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddcf6f6b8b47c7423a3bd6901a6e7495bbcabee1ee319bc4ff81e77a0ec22bd8 [2022-10-17 16:42:11,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:12,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:12,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:12,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:12,024 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:12,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ssinaf.c [2022-10-17 16:42:12,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/data/41ad2d114/47423be6b3d54026b914f359a2fd39f9/FLAG9a3e2aaac [2022-10-17 16:42:12,690 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:12,690 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/sv-benchmarks/c/array-fpi/ssinaf.c [2022-10-17 16:42:12,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/data/41ad2d114/47423be6b3d54026b914f359a2fd39f9/FLAG9a3e2aaac [2022-10-17 16:42:13,053 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/data/41ad2d114/47423be6b3d54026b914f359a2fd39f9 [2022-10-17 16:42:13,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:13,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:13,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:13,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:13,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:13,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c37833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13, skipping insertion in model container [2022-10-17 16:42:13,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:13,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:13,272 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_6bf90677-401a-44a1-a1d8-de7aaaea905c/sv-benchmarks/c/array-fpi/ssinaf.c[589,602] [2022-10-17 16:42:13,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:13,322 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:13,335 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_6bf90677-401a-44a1-a1d8-de7aaaea905c/sv-benchmarks/c/array-fpi/ssinaf.c[589,602] [2022-10-17 16:42:13,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:13,361 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:13,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13 WrapperNode [2022-10-17 16:42:13,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:13,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:13,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:13,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:13,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,420 INFO L138 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2022-10-17 16:42:13,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:13,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:13,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:13,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:13,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:13,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:13,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:13,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:13,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:13,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:13,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:13,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:42:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:42:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:42:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:42:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:42:13,656 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:13,658 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:13,867 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:13,951 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:13,951 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 16:42:13,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:13 BoogieIcfgContainer [2022-10-17 16:42:13,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:13,955 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:13,955 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:13,966 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:13,967 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:14,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-10-17 16:42:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-10-17 16:42:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:42:14,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:14,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:14,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:14,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:14,521 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 16:42:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 16:42:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 16:42:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:42:14,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:14,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:14,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:14,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:14,758 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 16:42:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 16:42:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 16:42:14,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:42:14,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:14,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:14,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:14,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:14,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2022-10-17 16:42:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2022-10-17 16:42:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:42:14,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:14,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:15,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:15,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:42:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-10-17 16:42:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-10-17 16:42:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:42:15,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:15,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:15,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:15,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:42:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-10-17 16:42:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-10-17 16:42:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:42:15,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:15,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:42:15,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:42:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:42:15,424 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-10-17 16:42:15,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:42:15 ImpRootNode [2022-10-17 16:42:15,463 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:42:15,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:42:15,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:42:15,464 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:42:15,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:13" (3/4) ... [2022-10-17 16:42:15,466 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:42:15,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf90677-401a-44a1-a1d8-de7aaaea905c/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:42:15,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:42:15,590 INFO L158 Benchmark]: Toolchain (without parser) took 2530.74ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 80.6MB in the beginning and 127.8MB in the end (delta: -47.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-10-17 16:42:15,591 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:15,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.46ms. Allocated memory is still 115.3MB. Free memory was 80.4MB in the beginning and 87.7MB in the end (delta: -7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:42:15,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 115.3MB. Free memory was 87.7MB in the beginning and 86.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:15,592 INFO L158 Benchmark]: Boogie Preprocessor took 31.37ms. Allocated memory is still 115.3MB. Free memory was 86.0MB in the beginning and 84.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:15,593 INFO L158 Benchmark]: RCFGBuilder took 500.63ms. Allocated memory is still 115.3MB. Free memory was 84.7MB in the beginning and 68.8MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:42:15,593 INFO L158 Benchmark]: CodeCheck took 1507.96ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 68.8MB in the beginning and 80.3MB in the end (delta: -11.4MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-10-17 16:42:15,594 INFO L158 Benchmark]: Witness Printer took 126.04ms. Allocated memory is still 155.2MB. Free memory was 80.3MB in the beginning and 127.8MB in the end (delta: -47.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:15,601 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 25 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 546 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 530 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 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] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [a={4:0}, i=0, N=1, sum={6:0}] [L32] COND TRUE i