./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp5f.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_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/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_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/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_6c0a5459-6427-44df-a163-e4a2ec999577/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 1aa1c5eebe5698e757084bc14ffc6aa65975acfbbb2e3cd0916dc71d3907dd29 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:31:26,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:31:26,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:31:26,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:31:26,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:31:26,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:31:26,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:31:26,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:31:26,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:31:26,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:31:26,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:31:26,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:31:26,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:31:26,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:31:26,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:31:26,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:31:26,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:31:26,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:31:26,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:31:26,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:31:26,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:31:26,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:31:26,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:31:26,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:31:26,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:31:26,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:31:26,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:31:26,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:31:26,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:31:26,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:31:26,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:31:26,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:31:26,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:31:26,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:31:26,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:31:26,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:31:26,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:31:26,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:31:26,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:31:26,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:31:26,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:31:26,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:31:26,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:31:26,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:31:26,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:31:26,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:31:26,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:31:26,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:31:26,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:31:26,864 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:31:26,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:31:26,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:31:26,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:31:26,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:31:26,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:31:26,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:31:26,867 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:31:26,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:31:26,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:31:26,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:31:26,868 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:31:26,869 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:31:26,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:31:26,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:26,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:31:26,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:31:26,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:31:26,871 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:31:26,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:31:26,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:31:26,872 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_6c0a5459-6427-44df-a163-e4a2ec999577/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aa1c5eebe5698e757084bc14ffc6aa65975acfbbb2e3cd0916dc71d3907dd29 [2021-11-23 00:31:27,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:31:27,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:31:27,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:31:27,228 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:31:27,230 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:31:27,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/indp5f.c [2021-11-23 00:31:27,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/data/30239b054/3c9fc560ea13465aa6d825e3fa31bb25/FLAG13e5fd3d8 [2021-11-23 00:31:27,775 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:31:27,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/sv-benchmarks/c/array-fpi/indp5f.c [2021-11-23 00:31:27,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/data/30239b054/3c9fc560ea13465aa6d825e3fa31bb25/FLAG13e5fd3d8 [2021-11-23 00:31:28,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/data/30239b054/3c9fc560ea13465aa6d825e3fa31bb25 [2021-11-23 00:31:28,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:31:28,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:31:28,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:28,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:31:28,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:31:28,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb55a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28, skipping insertion in model container [2021-11-23 00:31:28,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:31:28,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:31:28,472 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_6c0a5459-6427-44df-a163-e4a2ec999577/sv-benchmarks/c/array-fpi/indp5f.c[589,602] [2021-11-23 00:31:28,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:28,508 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:31:28,524 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_6c0a5459-6427-44df-a163-e4a2ec999577/sv-benchmarks/c/array-fpi/indp5f.c[589,602] [2021-11-23 00:31:28,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:28,553 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:31:28,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28 WrapperNode [2021-11-23 00:31:28,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:28,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:28,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:31:28,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:31:28,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,603 INFO L137 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2021-11-23 00:31:28,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:28,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:31:28,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:31:28,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:31:28,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:31:28,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:31:28,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:31:28,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:31:28,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:28" (1/1) ... [2021-11-23 00:31:28,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:28,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:31:28,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:31:28,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:31:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:31:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:31:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:31:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:31:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:31:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:31:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:31:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:31:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:31:28,808 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:31:28,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:31:28,996 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:31:29,087 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:31:29,087 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 00:31:29,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:29 BoogieIcfgContainer [2021-11-23 00:31:29,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:31:29,100 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:31:29,100 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:31:29,135 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:31:29,136 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:29" (1/1) ... [2021-11-23 00:31:29,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:31:29,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-23 00:31:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-23 00:31:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:31:29,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:29,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:29,589 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 00:31:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:29,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 00:31:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 00:31:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:31:29,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:29,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:29,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:31:29,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:29,886 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 00:31:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 00:31:29,965 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 00:31:29,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:31:29,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:29,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:30,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:31:30,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:30,048 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 00:31:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 00:31:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 00:31:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:30,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:30,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:31:30,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:31:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 00:31:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 00:31:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:31:30,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:30,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:31:30,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:30,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-11-23 00:31:30,486 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-11-23 00:31:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:31:30,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:31:30,566 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:31:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:31:30,626 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2021-11-23 00:31:30,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:31:30 ImpRootNode [2021-11-23 00:31:30,694 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:31:30,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:31:30,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:31:30,697 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:31:30,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:29" (3/4) ... [2021-11-23 00:31:30,700 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:31:30,804 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0a5459-6427-44df-a163-e4a2ec999577/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:31:30,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:31:30,806 INFO L158 Benchmark]: Toolchain (without parser) took 2623.35ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 51.9MB in the beginning and 96.1MB in the end (delta: -44.1MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-11-23 00:31:30,807 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:30,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.45ms. Allocated memory was 88.1MB in the beginning and 119.5MB in the end (delta: 31.5MB). Free memory was 51.7MB in the beginning and 95.0MB in the end (delta: -43.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 00:31:30,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.45ms. Allocated memory is still 119.5MB. Free memory was 95.0MB in the beginning and 93.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:30,809 INFO L158 Benchmark]: Boogie Preprocessor took 35.70ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 91.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:30,810 INFO L158 Benchmark]: RCFGBuilder took 457.73ms. Allocated memory is still 119.5MB. Free memory was 91.9MB in the beginning and 78.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:31:30,810 INFO L158 Benchmark]: CodeCheck took 1594.10ms. Allocated memory is still 119.5MB. Free memory was 78.8MB in the beginning and 63.3MB in the end (delta: 15.5MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:30,811 INFO L158 Benchmark]: Witness Printer took 108.66ms. Allocated memory is still 119.5MB. Free memory was 63.3MB in the beginning and 96.1MB in the end (delta: -32.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-23 00:31:30,815 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: 1.4s, OverallIterations: 6, 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, 188 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 20 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 491 GetRequests, 465 SyntacticMatches, 16 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 2 NumberOfNonLiveVariables, 328 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long sum[1]; [L31] sum[0] = 1 [L32] i=0 VAL [a={4:0}, i=0, N=1, sum={6:0}] [L32] COND TRUE i