./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s2liff.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_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/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_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s2liff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/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_3b27769f-f9aa-44e4-befe-2e22dc8a7788/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 dcc2cd0a2e1137d93459141da7aafc5afc93e8d84f2c47a251fb737e8f8d5a0d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:04:52,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:04:52,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:04:53,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:04:53,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:04:53,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:04:53,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:04:53,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:04:53,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:04:53,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:04:53,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:04:53,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:04:53,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:04:53,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:04:53,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:04:53,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:04:53,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:04:53,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:04:53,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:04:53,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:04:53,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:04:53,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:04:53,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:04:53,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:04:53,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:04:53,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:04:53,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:04:53,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:04:53,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:04:53,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:04:53,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:04:53,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:04:53,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:04:53,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:04:53,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:04:53,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:04:53,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:04:53,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:04:53,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:04:53,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:04:53,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:04:53,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:04:53,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:04:53,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:04:53,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:04:53,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:04:53,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:04:53,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:04:53,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:04:53,181 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:04:53,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:04:53,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:04:53,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:04:53,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:04:53,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:04:53,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:04:53,192 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:04:53,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:04:53,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:04:53,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:04:53,193 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:04:53,193 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:04:53,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:04:53,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:04:53,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:04:53,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:04:53,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:04:53,195 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:04:53,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:04:53,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:04:53,196 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_3b27769f-f9aa-44e4-befe-2e22dc8a7788/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcc2cd0a2e1137d93459141da7aafc5afc93e8d84f2c47a251fb737e8f8d5a0d [2021-11-23 01:04:53,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:04:53,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:04:53,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:04:53,594 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:04:53,596 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:04:53,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/s2liff.c [2021-11-23 01:04:53,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/data/61bd56233/17de9ce8e11e427bb9906c765d147cdf/FLAG4d4a0d678 [2021-11-23 01:04:54,313 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:04:54,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/sv-benchmarks/c/array-fpi/s2liff.c [2021-11-23 01:04:54,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/data/61bd56233/17de9ce8e11e427bb9906c765d147cdf/FLAG4d4a0d678 [2021-11-23 01:04:54,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/data/61bd56233/17de9ce8e11e427bb9906c765d147cdf [2021-11-23 01:04:54,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:04:54,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:04:54,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:04:54,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:04:54,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:04:54,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:54" (1/1) ... [2021-11-23 01:04:54,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19dc50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:54, skipping insertion in model container [2021-11-23 01:04:54,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:54" (1/1) ... [2021-11-23 01:04:54,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:04:54,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:04:54,901 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_3b27769f-f9aa-44e4-befe-2e22dc8a7788/sv-benchmarks/c/array-fpi/s2liff.c[589,602] [2021-11-23 01:04:54,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:04:54,941 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:04:54,959 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_3b27769f-f9aa-44e4-befe-2e22dc8a7788/sv-benchmarks/c/array-fpi/s2liff.c[589,602] [2021-11-23 01:04:54,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:04:55,015 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:04:55,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55 WrapperNode [2021-11-23 01:04:55,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:04:55,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:04:55,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:04:55,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:04:55,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,089 INFO L137 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2021-11-23 01:04:55,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:04:55,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:04:55,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:04:55,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:04:55,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:04:55,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:04:55,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:04:55,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:04:55,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:04:55,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:04:55,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:04:55,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:04:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:04:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:04:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:04:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:04:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:04:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:04:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:04:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:04:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:04:55,355 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:04:55,356 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:04:55,511 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:04:55,559 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:04:55,559 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:04:55,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:55 BoogieIcfgContainer [2021-11-23 01:04:55,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:04:55,563 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:04:55,563 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:04:55,576 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:04:55,576 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:55" (1/1) ... [2021-11-23 01:04:55,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:04:55,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 01:04:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 01:04:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:04:55,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:55,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:55,877 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 01:04:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:04:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:04:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:04:55,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:55,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:56,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:04:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:04:56,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:04:56,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:04:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:04:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:04:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:04:56,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:04:56,424 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:04:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:04:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:04:56,559 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:04:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:04:56,607 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-11-23 01:04:56,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:04:56 ImpRootNode [2021-11-23 01:04:56,652 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:04:56,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:04:56,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:04:56,655 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:04:56,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:55" (3/4) ... [2021-11-23 01:04:56,659 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:04:56,731 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b27769f-f9aa-44e4-befe-2e22dc8a7788/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:04:56,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:04:56,732 INFO L158 Benchmark]: Toolchain (without parser) took 2068.91ms. Allocated memory is still 138.4MB. Free memory was 100.8MB in the beginning and 60.9MB in the end (delta: 39.9MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-11-23 01:04:56,733 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory was 110.1MB in the beginning and 110.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:04:56,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.59ms. Allocated memory is still 138.4MB. Free memory was 100.3MB in the beginning and 110.0MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:04:56,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.93ms. Allocated memory is still 138.4MB. Free memory was 110.0MB in the beginning and 109.1MB in the end (delta: 920.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:04:56,735 INFO L158 Benchmark]: Boogie Preprocessor took 56.48ms. Allocated memory is still 138.4MB. Free memory was 109.1MB in the beginning and 107.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:04:56,736 INFO L158 Benchmark]: RCFGBuilder took 413.97ms. Allocated memory is still 138.4MB. Free memory was 107.9MB in the beginning and 94.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:04:56,737 INFO L158 Benchmark]: CodeCheck took 1089.93ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 63.9MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 01:04:56,738 INFO L158 Benchmark]: Witness Printer took 76.42ms. Allocated memory is still 138.4MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:04:56,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 12 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = N [L32] i=0 VAL [a={-1:0}, i=0, N=1, sum={18589:0}] [L32] COND TRUE i