./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/array-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/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_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/array-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/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_f405ed7d-b296-4c0e-a464-ba04c3ba5493/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 8df294a242896c5bf5c0de59a6565bdcc2051c441282e921edcd2c4fccba4c24 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:35:53,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:35:53,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:35:54,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:35:54,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:35:54,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:35:54,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:35:54,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:35:54,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:35:54,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:35:54,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:35:54,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:35:54,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:35:54,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:35:54,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:35:54,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:35:54,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:35:54,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:35:54,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:35:54,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:35:54,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:35:54,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:35:54,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:35:54,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:35:54,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:35:54,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:35:54,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:35:54,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:35:54,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:35:54,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:35:54,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:35:54,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:35:54,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:35:54,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:35:54,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:35:54,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:35:54,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:35:54,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:35:54,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:35:54,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:35:54,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:35:54,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:35:54,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:35:54,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:35:54,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:35:54,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:35:54,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:35:54,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:35:54,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:35:54,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:35:54,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:35:54,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:35:54,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:35:54,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:35:54,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:35:54,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:35:54,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:35:54,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:35:54,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:35:54,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:35:54,186 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:35:54,186 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:35:54,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:35:54,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:54,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:35:54,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:35:54,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:35:54,188 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:35:54,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:35:54,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:35:54,188 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_f405ed7d-b296-4c0e-a464-ba04c3ba5493/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8df294a242896c5bf5c0de59a6565bdcc2051c441282e921edcd2c4fccba4c24 [2021-11-23 01:35:54,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:35:54,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:35:54,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:35:54,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:35:54,493 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:35:54,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops/array-2.c [2021-11-23 01:35:54,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/data/2abaa0dab/d87ffc5210a345f981b45fe6214f5de4/FLAG98e6392eb [2021-11-23 01:35:55,061 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:35:55,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/sv-benchmarks/c/loops/array-2.c [2021-11-23 01:35:55,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/data/2abaa0dab/d87ffc5210a345f981b45fe6214f5de4/FLAG98e6392eb [2021-11-23 01:35:55,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/data/2abaa0dab/d87ffc5210a345f981b45fe6214f5de4 [2021-11-23 01:35:55,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:35:55,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:35:55,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:55,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:35:55,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:35:55,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf1254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55, skipping insertion in model container [2021-11-23 01:35:55,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:35:55,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:35:55,659 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_f405ed7d-b296-4c0e-a464-ba04c3ba5493/sv-benchmarks/c/loops/array-2.c[319,332] [2021-11-23 01:35:55,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:55,680 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:35:55,691 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_f405ed7d-b296-4c0e-a464-ba04c3ba5493/sv-benchmarks/c/loops/array-2.c[319,332] [2021-11-23 01:35:55,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:55,710 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:35:55,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55 WrapperNode [2021-11-23 01:35:55,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:55,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:55,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:35:55,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:35:55,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,774 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2021-11-23 01:35:55,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:55,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:35:55,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:35:55,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:35:55,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:35:55,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:35:55,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:35:55,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:35:55,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:55" (1/1) ... [2021-11-23 01:35:55,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:55,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:35:55,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:35:55,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:35:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:35:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:35:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:35:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:35:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:35:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:35:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:35:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:35:56,010 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:35:56,013 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:35:56,197 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:35:56,240 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:35:56,241 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:35:56,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:56 BoogieIcfgContainer [2021-11-23 01:35:56,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:35:56,246 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:35:56,246 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:35:56,257 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:35:56,257 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:56" (1/1) ... [2021-11-23 01:35:56,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:35:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-23 01:35:56,324 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-23 01:35:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:35:56,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-11-23 01:35:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-11-23 01:35:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:35:56,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:56,707 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:35:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:56,861 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:35:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:35:56,897 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-23 01:35:56,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:35:56 ImpRootNode [2021-11-23 01:35:56,931 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:35:56,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:35:56,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:35:56,933 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:35:56,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:56" (3/4) ... [2021-11-23 01:35:56,936 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:35:56,999 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:35:56,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:35:57,000 INFO L158 Benchmark]: Toolchain (without parser) took 1527.68ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 57.0MB in the beginning and 67.5MB in the end (delta: -10.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-23 01:35:57,001 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:35:57,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.97ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 56.8MB in the beginning and 103.1MB in the end (delta: -46.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:35:57,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.79ms. Allocated memory is still 125.8MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:35:57,002 INFO L158 Benchmark]: Boogie Preprocessor took 48.88ms. Allocated memory is still 125.8MB. Free memory was 101.6MB in the beginning and 100.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:35:57,003 INFO L158 Benchmark]: RCFGBuilder took 420.29ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 89.5MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:35:57,003 INFO L158 Benchmark]: CodeCheck took 684.54ms. Allocated memory is still 125.8MB. Free memory was 89.5MB in the beginning and 69.1MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 01:35:57,004 INFO L158 Benchmark]: Witness Printer took 66.97ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 67.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:35:57,007 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, 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, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 3 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 7]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L15] unsigned int SIZE=1; [L16] unsigned int j,k; [L17] int array[SIZE], menor; [L19] menor = __VERIFIER_nondet_int() [L21] j=0 VAL [array={4:0}, j=0, menor=2147483647, SIZE=1] [L21] COND TRUE jmenor) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.97ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 56.8MB in the beginning and 103.1MB in the end (delta: -46.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.79ms. Allocated memory is still 125.8MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.88ms. Allocated memory is still 125.8MB. Free memory was 101.6MB in the beginning and 100.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.29ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 89.5MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 684.54ms. Allocated memory is still 125.8MB. Free memory was 89.5MB in the beginning and 69.1MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 66.97ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 67.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:35:57,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f405ed7d-b296-4c0e-a464-ba04c3ba5493/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE