./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn4f.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_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/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_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/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_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/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 43c1de0381eac57fc6f4c99677f9636747c4cd8593c98dc51f3f286f262ef0fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:15:36,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:15:36,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:15:36,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:15:36,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:15:36,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:15:36,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:15:36,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:15:36,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:15:36,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:15:36,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:15:36,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:15:36,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:15:36,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:15:36,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:15:36,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:15:36,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:15:36,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:15:36,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:15:36,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:15:36,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:15:36,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:15:36,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:15:36,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:15:36,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:15:36,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:15:36,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:15:36,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:15:36,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:15:36,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:15:36,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:15:36,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:15:36,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:15:36,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:15:36,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:15:36,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:15:36,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:15:36,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:15:36,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:15:36,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:15:36,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:15:36,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:15:36,402 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:15:36,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:15:36,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:15:36,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:15:36,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:15:36,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:15:36,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:15:36,405 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:15:36,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:15:36,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:15:36,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:15:36,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:15:36,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:15:36,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:15:36,407 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:15:36,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:15:36,408 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:15:36,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:15:36,408 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:15:36,409 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:15:36,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:15:36,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:36,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:15:36,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:15:36,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:15:36,410 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:15:36,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:15:36,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:15:36,411 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_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c1de0381eac57fc6f4c99677f9636747c4cd8593c98dc51f3f286f262ef0fa [2021-11-22 23:15:36,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:15:36,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:15:36,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:15:36,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:15:36,757 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:15:36,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/eqn4f.c [2021-11-22 23:15:36,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/data/bbc75d780/42b09fe3b96841a6850a2e24dc0378c0/FLAGfbdd7ff7c [2021-11-22 23:15:37,334 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:15:37,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/sv-benchmarks/c/array-fpi/eqn4f.c [2021-11-22 23:15:37,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/data/bbc75d780/42b09fe3b96841a6850a2e24dc0378c0/FLAGfbdd7ff7c [2021-11-22 23:15:37,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/data/bbc75d780/42b09fe3b96841a6850a2e24dc0378c0 [2021-11-22 23:15:37,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:15:37,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:15:37,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:37,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:15:37,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:15:37,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:37,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aec3ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37, skipping insertion in model container [2021-11-22 23:15:37,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:37,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:15:37,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:15:37,885 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_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/sv-benchmarks/c/array-fpi/eqn4f.c[588,601] [2021-11-22 23:15:37,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:37,930 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:15:37,945 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_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/sv-benchmarks/c/array-fpi/eqn4f.c[588,601] [2021-11-22 23:15:37,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:37,987 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:15:37,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37 WrapperNode [2021-11-22 23:15:37,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:37,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:37,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:15:37,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:15:37,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,045 INFO L137 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2021-11-22 23:15:38,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:38,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:15:38,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:15:38,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:15:38,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:15:38,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:15:38,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:15:38,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:15:38,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:37" (1/1) ... [2021-11-22 23:15:38,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:38,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:15:38,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:15:38,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:15:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:15:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:15:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:15:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:15:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:15:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:15:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:15:38,263 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:15:38,265 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:15:38,391 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:15:38,422 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:15:38,422 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:15:38,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:38 BoogieIcfgContainer [2021-11-22 23:15:38,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:15:38,426 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:15:38,426 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:15:38,437 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:15:38,437 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:38" (1/1) ... [2021-11-22 23:15:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:15:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-22 23:15:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-22 23:15:38,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:15:38,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:15:38,637 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:15:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:15:38,677 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-22 23:15:38,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:15:38 ImpRootNode [2021-11-22 23:15:38,706 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:15:38,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:15:38,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:15:38,708 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:15:38,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:38" (3/4) ... [2021-11-22 23:15:38,710 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:15:38,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b497dc-40a4-4d15-afa7-852eddf6b5e1/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:15:38,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:15:38,760 INFO L158 Benchmark]: Toolchain (without parser) took 1088.22ms. Allocated memory is still 94.4MB. Free memory was 59.1MB in the beginning and 40.0MB in the end (delta: 19.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-11-22 23:15:38,762 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 65.2MB in the beginning and 65.1MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:15:38,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.24ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 68.7MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:15:38,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.53ms. Allocated memory is still 94.4MB. Free memory was 68.7MB in the beginning and 66.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:15:38,765 INFO L158 Benchmark]: Boogie Preprocessor took 47.96ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 65.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:15:38,766 INFO L158 Benchmark]: RCFGBuilder took 329.95ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 54.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:15:38,767 INFO L158 Benchmark]: CodeCheck took 280.49ms. Allocated memory is still 94.4MB. Free memory was 54.0MB in the beginning and 42.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:15:38,768 INFO L158 Benchmark]: Witness Printer took 52.00ms. Allocated memory is still 94.4MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:15:38,775 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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); [L31] a[0] = 8 [L32] b[0] = 0 [L33] i=1 VAL [a={-2:0}, b={-1:0}, i=1, N=1] [L33] COND FALSE !(i