./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifncompf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifncompf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ --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 78b7072c9a7547879cdac09dc43cb093e423fbe324be54a54d60d5348866fc30 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:33:25,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:33:25,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:33:25,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:33:25,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:33:25,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:33:25,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:33:25,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:33:25,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:33:25,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:33:25,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:33:25,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:33:25,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:33:25,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:33:25,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:33:25,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:33:25,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:33:25,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:33:25,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:33:25,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:33:25,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:33:25,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:33:25,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:33:25,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:33:25,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:33:25,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:33:25,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:33:25,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:33:25,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:33:25,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:33:25,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:33:25,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:33:25,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:33:25,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:33:25,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:33:25,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:33:25,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:33:25,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:33:25,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:33:25,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:33:25,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:33:25,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:33:25,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:33:25,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:33:25,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:33:25,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:33:25,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:33:25,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:33:25,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:33:25,412 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:33:25,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:33:25,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:33:25,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:33:25,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:33:25,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:33:25,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:33:25,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:33:25,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:33:25,416 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:33:25,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:33:25,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:33:25,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:33:25,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:33:25,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:33:25,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:33:25,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:33:25,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:33:25,419 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:33:25,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:33:25,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:33:25,420 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_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78b7072c9a7547879cdac09dc43cb093e423fbe324be54a54d60d5348866fc30 [2021-11-23 01:33:25,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:33:25,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:33:25,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:33:25,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:33:25,738 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:33:25,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/ifncompf.c [2021-11-23 01:33:25,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/data/c32de6d9d/407c1e014e6f4252bfe1e07bebd5fb92/FLAGe97ee4a75 [2021-11-23 01:33:26,286 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:33:26,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/sv-benchmarks/c/array-fpi/ifncompf.c [2021-11-23 01:33:26,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/data/c32de6d9d/407c1e014e6f4252bfe1e07bebd5fb92/FLAGe97ee4a75 [2021-11-23 01:33:26,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/data/c32de6d9d/407c1e014e6f4252bfe1e07bebd5fb92 [2021-11-23 01:33:26,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:33:26,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:33:26,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:33:26,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:33:26,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:33:26,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:26,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba45c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26, skipping insertion in model container [2021-11-23 01:33:26,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:26,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:33:26,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:33:26,873 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_ebdd8044-b3a7-421b-ba43-9ad555a204b4/sv-benchmarks/c/array-fpi/ifncompf.c[591,604] [2021-11-23 01:33:26,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:26,903 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:33:26,914 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_ebdd8044-b3a7-421b-ba43-9ad555a204b4/sv-benchmarks/c/array-fpi/ifncompf.c[591,604] [2021-11-23 01:33:26,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:26,939 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:33:26,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26 WrapperNode [2021-11-23 01:33:26,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:33:26,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:26,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:33:26,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:33:26,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:26,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:26,979 INFO L137 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2021-11-23 01:33:26,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:26,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:33:26,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:33:26,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:33:26,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:26,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:26,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:26,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:26,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:27,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:27,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:27,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:33:27,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:33:27,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:33:27,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:33:27,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:26" (1/1) ... [2021-11-23 01:33:27,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:33:27,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:33:27,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:33:27,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:33:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:33:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:33:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:33:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:33:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:33:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:33:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:33:27,214 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:33:27,216 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:33:27,369 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:33:27,417 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:33:27,417 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:33:27,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:27 BoogieIcfgContainer [2021-11-23 01:33:27,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:33:27,421 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:33:27,421 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:33:27,431 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:33:27,432 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:27" (1/1) ... [2021-11-23 01:33:27,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:33:27,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-23 01:33:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-23 01:33:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:33:27,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:33:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:33:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:33:27,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:33:27,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:33:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:33:28,098 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:33:28,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:33:28,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:28,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:33:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 01:33:28,273 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 01:33:28,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:33:28,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:28,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:33:28,358 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:33:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:33:28,423 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-11-23 01:33:28,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:33:28 ImpRootNode [2021-11-23 01:33:28,466 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:33:28,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:33:28,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:33:28,467 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:33:28,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:27" (3/4) ... [2021-11-23 01:33:28,469 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:33:28,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdd8044-b3a7-421b-ba43-9ad555a204b4/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:33:28,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:33:28,519 INFO L158 Benchmark]: Toolchain (without parser) took 1852.46ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 57.3MB in the beginning and 80.1MB in the end (delta: -22.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-23 01:33:28,520 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:33:28,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.18ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 57.0MB in the beginning and 96.8MB in the end (delta: -39.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:33:28,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.69ms. Allocated memory is still 121.6MB. Free memory was 96.8MB in the beginning and 95.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:33:28,523 INFO L158 Benchmark]: Boogie Preprocessor took 32.25ms. Allocated memory is still 121.6MB. Free memory was 95.0MB in the beginning and 93.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:33:28,523 INFO L158 Benchmark]: RCFGBuilder took 406.85ms. Allocated memory is still 121.6MB. Free memory was 93.4MB in the beginning and 79.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:33:28,524 INFO L158 Benchmark]: CodeCheck took 1044.94ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 82.8MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:33:28,525 INFO L158 Benchmark]: Witness Printer took 51.94ms. Allocated memory is still 121.6MB. Free memory was 82.8MB in the beginning and 80.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:33:28,537 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 15 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 206 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 78 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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 *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L30] long long *c = malloc(sizeof(long long)*N); [L32] i=0 VAL [a={-2:0}, b={4:0}, c={-1:0}, i=0, N=1] [L32] COND TRUE i