./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss2f.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_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/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_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ss2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/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_33f467f9-e6b5-473f-bfc7-429c862112c5/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 2bc09bd64500ce84828799e1b8f3bf98a7ee19cb7e359a47594550eda9829607 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:24:24,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:24:24,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:24:24,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:24:24,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:24:24,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:24:24,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:24:24,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:24:24,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:24:24,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:24:24,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:24:24,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:24:24,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:24:24,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:24:24,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:24:24,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:24:24,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:24:24,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:24:24,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:24:24,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:24:24,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:24:24,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:24:24,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:24:24,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:24:24,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:24:24,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:24:24,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:24:24,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:24:24,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:24:24,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:24:24,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:24:24,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:24:24,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:24:24,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:24:24,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:24:24,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:24:24,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:24:24,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:24:24,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:24:24,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:24:24,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:24:24,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:24:25,041 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:24:25,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:24:25,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:24:25,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:24:25,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:24:25,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:24:25,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:24:25,045 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:24:25,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:24:25,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:24:25,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:24:25,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:24:25,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:24:25,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:24:25,048 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:24:25,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:24:25,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:24:25,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:24:25,049 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:24:25,050 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:24:25,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:24:25,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:25,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:24:25,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:24:25,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:24:25,059 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:24:25,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:24:25,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:24:25,061 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_33f467f9-e6b5-473f-bfc7-429c862112c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bc09bd64500ce84828799e1b8f3bf98a7ee19cb7e359a47594550eda9829607 [2021-11-23 00:24:25,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:24:25,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:24:25,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:24:25,413 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:24:25,414 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:24:25,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/ss2f.c [2021-11-23 00:24:25,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/data/134ff95ef/7076f4c2213f4c50b52c284cddae06ee/FLAG6e006a48f [2021-11-23 00:24:25,922 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:24:25,922 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/sv-benchmarks/c/array-fpi/ss2f.c [2021-11-23 00:24:25,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/data/134ff95ef/7076f4c2213f4c50b52c284cddae06ee/FLAG6e006a48f [2021-11-23 00:24:26,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/data/134ff95ef/7076f4c2213f4c50b52c284cddae06ee [2021-11-23 00:24:26,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:24:26,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:24:26,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:26,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:24:26,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:24:26,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6e504e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26, skipping insertion in model container [2021-11-23 00:24:26,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:24:26,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:24:26,506 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_33f467f9-e6b5-473f-bfc7-429c862112c5/sv-benchmarks/c/array-fpi/ss2f.c[587,600] [2021-11-23 00:24:26,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:26,563 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:24:26,587 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_33f467f9-e6b5-473f-bfc7-429c862112c5/sv-benchmarks/c/array-fpi/ss2f.c[587,600] [2021-11-23 00:24:26,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:26,640 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:24:26,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26 WrapperNode [2021-11-23 00:24:26,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:26,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:26,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:24:26,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:24:26,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,686 INFO L137 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2021-11-23 00:24:26,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:26,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:24:26,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:24:26,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:24:26,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:24:26,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:24:26,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:24:26,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:24:26,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:26" (1/1) ... [2021-11-23 00:24:26,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:26,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:24:26,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:24:26,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:24:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:24:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:24:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:24:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:24:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:24:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:24:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:24:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:24:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:24:26,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:24:26,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:24:27,160 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:24:27,217 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:24:27,217 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-23 00:24:27,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:27 BoogieIcfgContainer [2021-11-23 00:24:27,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:24:27,224 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:24:27,225 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:24:27,233 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:24:27,233 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:27" (1/1) ... [2021-11-23 00:24:27,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:24:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2021-11-23 00:24:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2021-11-23 00:24:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:24:27,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,471 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 00:24:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 00:24:27,565 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 00:24:27,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:24:27,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,661 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 00:24:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 00:24:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 00:24:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:24:27,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,843 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 00:24:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-11-23 00:24:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-11-23 00:24:27,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:24:27,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:24:27,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:28,071 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 00:24:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 00:24:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 00:24:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:24:28,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:28,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:28,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:24:28,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:28,309 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 00:24:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:28,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-23 00:24:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-23 00:24:28,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:24:28,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:28,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:28,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:24:28,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:24:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2021-11-23 00:24:28,542 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-11-23 00:24:28,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:24:28,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:28,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:24:28,630 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:24:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:24:28,701 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2021-11-23 00:24:28,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:24:28 ImpRootNode [2021-11-23 00:24:28,772 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:24:28,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:24:28,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:24:28,773 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:24:28,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:27" (3/4) ... [2021-11-23 00:24:28,776 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:24:28,866 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f467f9-e6b5-473f-bfc7-429c862112c5/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:24:28,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:24:28,867 INFO L158 Benchmark]: Toolchain (without parser) took 2549.50ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 38.4MB in the beginning and 63.3MB in the end (delta: -24.9MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-23 00:24:28,867 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:24:28,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.50ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 38.2MB in the beginning and 81.4MB in the end (delta: -43.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 00:24:28,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.80ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:24:28,869 INFO L158 Benchmark]: Boogie Preprocessor took 32.97ms. Allocated memory is still 109.1MB. Free memory was 79.3MB in the beginning and 77.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:24:28,870 INFO L158 Benchmark]: RCFGBuilder took 501.91ms. Allocated memory is still 109.1MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:24:28,870 INFO L158 Benchmark]: CodeCheck took 1547.91ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 66.1MB in the end (delta: 10.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-23 00:24:28,871 INFO L158 Benchmark]: Witness Printer took 93.48ms. Allocated memory is still 109.1MB. Free memory was 66.1MB in the beginning and 63.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:24:28,874 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 7, 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, 296 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 301 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 30 mSDtfsCounter, 301 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 730 GetRequests, 692 SyntacticMatches, 28 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 324 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [a={4:0}, i=0, N=1, sum={6:0}] [L32] COND TRUE i