./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test27-2.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_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/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_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test27-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/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_5d9104a5-a45a-442b-b8f5-b99df11027bd/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 8b17e864f5b8145df67cb2b3dc045f82af33b1bd3c9c5e4c95275bcb385f71da --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:35:44,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:35:44,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:35:44,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:35:44,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:35:44,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:35:44,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:35:44,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:35:44,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:35:44,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:35:44,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:35:44,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:35:44,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:35:44,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:35:44,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:35:44,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:35:44,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:35:44,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:35:44,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:35:44,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:35:44,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:35:44,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:35:44,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:35:44,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:35:44,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:35:44,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:35:44,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:35:44,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:35:44,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:35:44,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:35:44,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:35:44,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:35:44,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:35:44,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:35:44,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:35:44,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:35:44,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:35:44,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:35:44,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:35:44,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:35:44,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:35:44,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:35:44,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:35:44,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:35:44,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:35:44,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:35:44,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:35:44,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:35:44,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:35:44,538 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:35:44,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:35:44,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:35:44,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:35:44,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:35:44,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:35:44,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:35:44,540 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:35:44,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:35:44,540 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:35:44,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:35:44,541 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:35:44,541 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:35:44,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:35:44,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:44,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:35:44,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:35:44,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:35:44,542 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:35:44,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:35:44,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:35:44,543 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_5d9104a5-a45a-442b-b8f5-b99df11027bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b17e864f5b8145df67cb2b3dc045f82af33b1bd3c9c5e4c95275bcb385f71da [2021-11-23 01:35:44,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:35:44,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:35:44,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:35:44,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:35:44,878 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:35:44,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-regression/test27-2.c [2021-11-23 01:35:44,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/data/c9ea9268a/10f8b7c571434035b9250e4ec1be2d23/FLAGbc7c34f63 [2021-11-23 01:35:45,409 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:35:45,410 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/sv-benchmarks/c/ldv-regression/test27-2.c [2021-11-23 01:35:45,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/data/c9ea9268a/10f8b7c571434035b9250e4ec1be2d23/FLAGbc7c34f63 [2021-11-23 01:35:45,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/data/c9ea9268a/10f8b7c571434035b9250e4ec1be2d23 [2021-11-23 01:35:45,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:35:45,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:35:45,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:45,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:35:45,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:35:45,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:45" (1/1) ... [2021-11-23 01:35:45,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70efff06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45, skipping insertion in model container [2021-11-23 01:35:45,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:45" (1/1) ... [2021-11-23 01:35:45,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:35:45,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:35:46,014 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_5d9104a5-a45a-442b-b8f5-b99df11027bd/sv-benchmarks/c/ldv-regression/test27-2.c[1224,1237] [2021-11-23 01:35:46,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:46,025 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:35:46,068 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_5d9104a5-a45a-442b-b8f5-b99df11027bd/sv-benchmarks/c/ldv-regression/test27-2.c[1224,1237] [2021-11-23 01:35:46,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:46,090 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:35:46,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46 WrapperNode [2021-11-23 01:35:46,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:46,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:46,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:35:46,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:35:46,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,148 INFO L137 Inliner]: procedures = 16, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2021-11-23 01:35:46,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:46,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:35:46,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:35:46,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:35:46,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:35:46,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:35:46,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:35:46,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:35:46,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:46,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:35:46,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:35:46,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:35:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:35:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:35:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:35:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:35:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:35:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:35:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:35:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:35:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:35:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:35:46,411 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:35:46,412 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:35:46,659 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:35:46,681 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:35:46,681 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:35:46,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:46 BoogieIcfgContainer [2021-11-23 01:35:46,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:35:46,684 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:35:46,685 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:35:46,695 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:35:46,695 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:46" (1/1) ... [2021-11-23 01:35:46,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:35:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:35:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:35:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:35:46,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:46,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:46,947 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 01:35:47,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 01:35:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 01:35:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:47,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:47,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 01:35:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 01:35:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:35:47,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:47,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2021-11-23 01:35:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2021-11-23 01:35:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:35:47,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:47,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 01:35:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 01:35:47,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:47,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:47,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-23 01:35:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-23 01:35:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:35:47,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:47,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:47,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-11-23 01:35:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-11-23 01:35:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:35:47,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:47,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-11-23 01:35:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-11-23 01:35:47,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:35:47,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:47,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:48,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-23 01:35:48,063 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-23 01:35:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:35:48,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:48,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:48,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:48,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-23 01:35:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-23 01:35:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:35:48,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:48,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:48,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-11-23 01:35:48,466 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-23 01:35:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:35:48,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:48,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:48,760 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:35:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:51,691 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:35:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:55,615 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2021-11-23 01:35:55,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:35:55 ImpRootNode [2021-11-23 01:35:55,664 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:35:55,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:35:55,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:35:55,665 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:35:55,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:46" (3/4) ... [2021-11-23 01:35:55,668 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:35:55,748 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:35:55,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:35:55,750 INFO L158 Benchmark]: Toolchain (without parser) took 9961.14ms. Allocated memory was 88.1MB in the beginning and 140.5MB in the end (delta: 52.4MB). Free memory was 52.8MB in the beginning and 106.5MB in the end (delta: -53.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:35:55,750 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:35:55,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.60ms. Allocated memory is still 88.1MB. Free memory was 52.6MB in the beginning and 65.1MB in the end (delta: -12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:35:55,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.35ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 63.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:35:55,753 INFO L158 Benchmark]: Boogie Preprocessor took 51.09ms. Allocated memory is still 88.1MB. Free memory was 63.2MB in the beginning and 61.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:35:55,754 INFO L158 Benchmark]: RCFGBuilder took 482.44ms. Allocated memory is still 88.1MB. Free memory was 61.7MB in the beginning and 47.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:35:55,754 INFO L158 Benchmark]: CodeCheck took 8979.71ms. Allocated memory was 88.1MB in the beginning and 140.5MB in the end (delta: 52.4MB). Free memory was 47.9MB in the beginning and 109.7MB in the end (delta: -61.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:35:55,759 INFO L158 Benchmark]: Witness Printer took 84.32ms. Allocated memory is still 140.5MB. Free memory was 109.7MB in the beginning and 106.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:35:55,761 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 11, 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, 245 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 211 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 211 mSolverCounterUnsat, 100 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 949 GetRequests, 875 SyntacticMatches, 36 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/165 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: 55]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] struct cont cont; [L24] struct dummy dummy; [L25] struct dummy *dummies[10]; [L26] int a[10]; [L27] int i, *pa; [L28] i = __VERIFIER_nondet_int() [L29] int j = 0; VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=0] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=1] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=2] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=3] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=4] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=5] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=6] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=7] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=8] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=9] [L29] COND TRUE j < 10 [L30] a[j] = __VERIFIER_nondet_int() [L34] dummies[j] = 0 [L29] j++ VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=10] [L29] COND FALSE !(j < 10) VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=10] [L36] COND TRUE i >= 0 && i < 9 [L37] a[i] = i [L38] dummy.array = &a[i] [L39] dummies[i + 1] = &dummy [L40] cont.array = &dummies[0] [L41] EXPR cont.array [L41] EXPR cont.array[i] [L41] EXPR cont.array[i]->array [L41] pa = &cont.array[i]->array[i] [L42] EXPR a[i] VAL [a={12279:0}, a[i]=3, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=3, j=10, pa={12306:13114}] [L42] COND TRUE a[i] > 0 [L43] EXPR dummies[i + 1] [L43] EXPR dummies[i + 1]->array [L43] EXPR dummies[i + 1]->array[i] [L43] i = dummies[i + 1]->array[i] - 10 [L44] EXPR \read(*pa) VAL [\read(*pa)=-27796, a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=-5501, j=10, pa={12306:13114}] [L44] COND FALSE !(i < *pa) [L47] CALL, EXPR check(&cont, i) [L18] EXPR pc->array [L18] EXPR pc->array[i] [L18] EXPR pc->array[i]->array [L18] EXPR pc->array[i]->array[i] [L18] return pc->array[i]->array[i] == i; [L47] RET, EXPR check(&cont, i) [L47] COND TRUE !check(&cont, i) [L55] reach_error() VAL [a={12279:0}, cont={12303:0}, dummies={12305:0}, dummy={12304:0}, i=-5501, j=10, pa={12306:13114}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.60ms. Allocated memory is still 88.1MB. Free memory was 52.6MB in the beginning and 65.1MB in the end (delta: -12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.35ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 63.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.09ms. Allocated memory is still 88.1MB. Free memory was 63.2MB in the beginning and 61.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.44ms. Allocated memory is still 88.1MB. Free memory was 61.7MB in the beginning and 47.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 8979.71ms. Allocated memory was 88.1MB in the beginning and 140.5MB in the end (delta: 52.4MB). Free memory was 47.9MB in the beginning and 109.7MB in the end (delta: -61.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 84.32ms. Allocated memory is still 140.5MB. Free memory was 109.7MB in the beginning and 106.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:35:55,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9104a5-a45a-442b-b8f5-b99df11027bd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE