./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN --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 d092867a9e1055748d4525b336ea1f27e78b14112d4f5a890867dcf4a9fe862b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:11:26,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:11:26,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:11:27,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:11:27,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:11:27,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:11:27,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:11:27,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:11:27,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:11:27,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:11:27,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:11:27,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:11:27,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:11:27,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:11:27,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:11:27,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:11:27,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:11:27,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:11:27,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:11:27,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:11:27,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:11:27,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:11:27,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:11:27,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:11:27,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:11:27,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:11:27,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:11:27,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:11:27,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:11:27,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:11:27,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:11:27,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:11:27,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:11:27,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:11:27,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:11:27,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:11:27,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:11:27,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:11:27,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:11:27,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:11:27,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:11:27,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:11:27,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:11:27,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:11:27,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:11:27,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:11:27,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:11:27,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:11:27,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:11:27,169 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:11:27,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:11:27,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:11:27,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:11:27,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:11:27,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:11:27,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:11:27,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:11:27,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:11:27,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:11:27,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:11:27,175 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:11:27,175 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:11:27,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:11:27,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:11:27,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:11:27,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:11:27,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:11:27,181 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:11:27,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:11:27,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:11:27,182 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_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d092867a9e1055748d4525b336ea1f27e78b14112d4f5a890867dcf4a9fe862b [2021-11-21 06:11:27,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:11:27,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:11:27,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:11:27,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:11:27,584 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:11:27,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2021-11-21 06:11:27,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/data/25392196d/80da64f80bc14ec1b7aca87efb1474ca/FLAG763a74b32 [2021-11-21 06:11:28,242 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:11:28,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2021-11-21 06:11:28,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/data/25392196d/80da64f80bc14ec1b7aca87efb1474ca/FLAG763a74b32 [2021-11-21 06:11:28,624 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/data/25392196d/80da64f80bc14ec1b7aca87efb1474ca [2021-11-21 06:11:28,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:11:28,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:11:28,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:11:28,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:11:28,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:11:28,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcc9585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28, skipping insertion in model container [2021-11-21 06:11:28,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:11:28,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:11:28,873 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_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i[921,934] [2021-11-21 06:11:28,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:11:28,894 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:11:28,908 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_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i[921,934] [2021-11-21 06:11:28,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:11:28,928 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:11:28,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28 WrapperNode [2021-11-21 06:11:28,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:11:28,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:11:28,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:11:28,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:11:28,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,966 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-21 06:11:28,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:11:28,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:11:28,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:11:28,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:11:28,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:28,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:11:28,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:11:28,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:11:28,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:11:28,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:11:28" (1/1) ... [2021-11-21 06:11:29,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:11:29,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:11:29,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:11:29,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:11:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:11:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:11:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:11:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:11:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:11:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:11:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:11:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:11:29,148 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:11:29,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:11:29,247 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:11:29,278 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:11:29,279 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:11:29,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:11:29 BoogieIcfgContainer [2021-11-21 06:11:29,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:11:29,282 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:11:29,283 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:11:29,294 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:11:29,294 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:11:29" (1/1) ... [2021-11-21 06:11:29,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:11:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:11:29,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-21 06:11:29,362 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-21 06:11:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:11:29,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:11:29,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:11:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:11:29,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:11:29,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:11:29,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-11-21 06:11:29,612 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-11-21 06:11:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:11:29,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:11:29,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:11:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:11:29,675 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 06:11:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:11:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:11:29,753 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 06:11:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:11:29,776 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-21 06:11:29,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:11:29 ImpRootNode [2021-11-21 06:11:29,840 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:11:29,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:11:29,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:11:29,841 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:11:29,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:11:29" (3/4) ... [2021-11-21 06:11:29,844 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 06:11:29,945 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:11:29,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:11:29,947 INFO L158 Benchmark]: Toolchain (without parser) took 1317.58ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 46.1MB in the beginning and 71.6MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:11:29,955 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 81.8MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:11:29,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.91ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 45.9MB in the beginning and 76.8MB in the end (delta: -30.9MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-21 06:11:29,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.71ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:11:29,958 INFO L158 Benchmark]: Boogie Preprocessor took 23.93ms. Allocated memory is still 100.7MB. Free memory was 75.3MB in the beginning and 74.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:11:29,959 INFO L158 Benchmark]: RCFGBuilder took 289.04ms. Allocated memory is still 100.7MB. Free memory was 74.1MB in the beginning and 64.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 06:11:29,960 INFO L158 Benchmark]: CodeCheck took 557.86ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 73.6MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:11:29,961 INFO L158 Benchmark]: Witness Printer took 104.81ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:11:29,966 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 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: 26]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L35] unsigned int array[10000]; [L36] unsigned int index = 0; [L37] unsigned int tmp = 0; VAL [array={2448:0}, index=0, tmp=0] [L39] COND TRUE 1 [L40] index = __VERIFIER_nondet_uint() [L41] COND TRUE index >= 10000 VAL [array={2448:0}, index=4294967295, tmp=0] [L48] EXPR tmp < 10000 && array[tmp] == tmp [L48] EXPR array[tmp] [L48] EXPR tmp < 10000 && array[tmp] == tmp [L48] CALL __VERIFIER_assert(tmp < 10000 && array[tmp] == tmp) [L25] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L26] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 81.8MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.91ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 45.9MB in the beginning and 76.8MB in the end (delta: -30.9MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.71ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.93ms. Allocated memory is still 100.7MB. Free memory was 75.3MB in the beginning and 74.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.04ms. Allocated memory is still 100.7MB. Free memory was 74.1MB in the beginning and 64.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 557.86ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 73.6MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 104.81ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-21 06:11:30,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2773cbb2-53cc-4bbf-bc9a-e49c3b0ef5f5/bin/ukojak-vF6T2TMglN/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