./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/xor5.i --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_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/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_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/xor5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/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_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/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 a4ee2cdc1f0cbbd62309a70b71e98ce771ffa71f4ebd85e731799a93fbbc3919 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:29:25,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:29:25,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:29:25,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:29:25,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:29:25,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:29:25,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:29:25,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:29:25,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:29:25,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:29:25,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:29:25,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:29:25,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:29:25,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:29:25,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:29:25,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:29:25,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:29:25,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:29:25,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:29:25,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:29:25,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:29:25,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:29:25,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:29:25,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:29:25,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:29:25,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:29:25,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:29:25,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:29:25,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:29:25,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:29:25,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:29:25,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:29:25,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:29:25,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:29:25,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:29:25,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:29:25,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:29:25,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:29:25,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:29:25,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:29:25,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:29:25,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:29:25,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:29:25,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:29:25,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:29:25,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:29:25,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:29:25,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:29:25,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:29:25,536 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:29:25,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:29:25,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:29:25,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:29:25,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:29:25,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:29:25,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:29:25,538 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:29:25,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:29:25,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:29:25,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:29:25,539 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:29:25,539 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:29:25,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:29:25,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:29:25,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:29:25,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:29:25,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:29:25,541 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:29:25,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:29:25,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:29:25,541 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_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ee2cdc1f0cbbd62309a70b71e98ce771ffa71f4ebd85e731799a93fbbc3919 [2021-11-23 00:29:25,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:29:25,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:29:25,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:29:25,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:29:25,954 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:29:25,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-crafted/xor5.i [2021-11-23 00:29:26,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/data/cdbc089f6/caa1caf792de45ad8a3a3c8938feae9e/FLAG981736b4f [2021-11-23 00:29:26,627 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:29:26,629 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/sv-benchmarks/c/array-crafted/xor5.i [2021-11-23 00:29:26,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/data/cdbc089f6/caa1caf792de45ad8a3a3c8938feae9e/FLAG981736b4f [2021-11-23 00:29:26,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/data/cdbc089f6/caa1caf792de45ad8a3a3c8938feae9e [2021-11-23 00:29:26,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:29:26,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:29:27,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:27,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:29:27,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:29:27,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:26" (1/1) ... [2021-11-23 00:29:27,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249adcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27, skipping insertion in model container [2021-11-23 00:29:27,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:26" (1/1) ... [2021-11-23 00:29:27,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:29:27,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:29:27,262 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_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/sv-benchmarks/c/array-crafted/xor5.i[1364,1377] [2021-11-23 00:29:27,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:27,274 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:29:27,302 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_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/sv-benchmarks/c/array-crafted/xor5.i[1364,1377] [2021-11-23 00:29:27,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:27,320 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:29:27,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27 WrapperNode [2021-11-23 00:29:27,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:27,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:27,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:29:27,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:29:27,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,402 INFO L137 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2021-11-23 00:29:27,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:27,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:29:27,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:29:27,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:29:27,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:29:27,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:29:27,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:29:27,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:29:27,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:29:27,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:29:27,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:29:27,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:29:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:29:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:29:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:29:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:29:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:29:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:29:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:29:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2021-11-23 00:29:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2021-11-23 00:29:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:29:27,698 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:29:27,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:29:27,893 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:29:27,927 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:29:27,927 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:29:27,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:27 BoogieIcfgContainer [2021-11-23 00:29:27,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:29:27,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:29:27,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:29:27,943 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:29:27,943 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:27" (1/1) ... [2021-11-23 00:29:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:29:28,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-23 00:29:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 00:29:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:29:28,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:28,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:29:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-11-23 00:29:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-23 00:29:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:29:28,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:28,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:29:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 32 transitions. [2021-11-23 00:29:28,738 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 00:29:28,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:29:28,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:28,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:29:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 31 transitions. [2021-11-23 00:29:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 00:29:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:29:29,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:29,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:29:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 33 transitions. [2021-11-23 00:29:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-23 00:29:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:29:29,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:29,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:29:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 32 transitions. [2021-11-23 00:29:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-23 00:29:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:29:29,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:29,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 00:29:30,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:30,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 33 transitions. [2021-11-23 00:29:30,362 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-23 00:29:30,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:29:30,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:30,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:29:30,456 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:29:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:29:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:29:30,635 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:29:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:29:30,752 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2021-11-23 00:29:30,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:29:30 ImpRootNode [2021-11-23 00:29:30,855 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:29:30,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:29:30,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:29:30,856 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:29:30,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:27" (3/4) ... [2021-11-23 00:29:30,860 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 00:29:30,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:29:30,861 INFO L158 Benchmark]: Toolchain (without parser) took 3861.88ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 51.2MB in the beginning and 87.9MB in the end (delta: -36.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:30,862 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 67.8MB in the beginning and 67.7MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:30,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.44ms. Allocated memory is still 90.2MB. Free memory was 51.0MB in the beginning and 64.5MB in the end (delta: -13.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-23 00:29:30,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.84ms. Allocated memory is still 90.2MB. Free memory was 64.5MB in the beginning and 62.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:30,865 INFO L158 Benchmark]: Boogie Preprocessor took 52.36ms. Allocated memory is still 90.2MB. Free memory was 62.9MB in the beginning and 61.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:30,866 INFO L158 Benchmark]: RCFGBuilder took 468.27ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 49.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:29:30,868 INFO L158 Benchmark]: CodeCheck took 2923.41ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 49.5MB in the beginning and 88.8MB in the end (delta: -39.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2021-11-23 00:29:30,869 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 115.3MB. Free memory was 88.8MB in the beginning and 87.9MB in the end (delta: 894.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:30,891 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 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 339 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 178 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 902 GetRequests, 715 SyntacticMatches, 169 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 83/90 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 - UnprovableResult [Line: 57]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseXor at line 25. Possible FailurePath: [L17] int N; [L32] N = __VERIFIER_nondet_int() [L33] COND TRUE N > 1 [L34] int x[N]; [L35] int temp; [L36] int ret; [L37] int ret2; [L38] int ret5; [L40] int i = 0; VAL [i=0, N=2, x={842:0}] [L40] COND TRUE i < N [L42] x[i] = __VERIFIER_nondet_int() [L40] i++ VAL [i=1, N=2, x={842:0}] [L40] COND TRUE i < N [L42] x[i] = __VERIFIER_nondet_int() [L40] i++ VAL [i=2, N=2, x={842:0}] [L40] COND FALSE !(i < N) VAL [i=2, N=2, x={842:0}] [L45] CALL, EXPR xor(x) VAL [N=2, x={842:0}] [L21] int i; [L22] long long res; [L23] EXPR x[0] [L23] res = x[0] [L24] i = 1 VAL [i=1, N=2, res=-2147465061, x={842:0}, x={842:0}] [L24] COND TRUE i < N [L25] EXPR x[i] [L25] res = res ^ x[i] [L24] i++ VAL [i=2, N=2, x={842:0}, x={842:0}] [L24] COND FALSE !(i < N) [L27] return res; [L45] RET, EXPR xor(x) VAL [i=2, N=2, x={842:0}, xor(x)=21238] [L45] ret = xor(x) [L47] EXPR x[0] [L47] temp=x[0] [L47] EXPR x[1] [L47] x[0] = x[1] [L47] x[1] = temp VAL [i=2, N=2, ret=21238, temp=-2147465061, x={842:0}] [L48] CALL, EXPR xor(x) VAL [N=2, x={842:0}] [L21] int i; [L22] long long res; [L23] EXPR x[0] [L23] res = x[0] [L24] i = 1 VAL [i=1, N=2, res=-2147466741, x={842:0}, x={842:0}] [L24] COND TRUE i < N [L25] EXPR x[i] [L25] res = res ^ x[i] [L24] i++ VAL [i=2, N=2, x={842:0}, x={842:0}] [L24] COND FALSE !(i < N) [L27] return res; [L48] RET, EXPR xor(x) VAL [i=2, N=2, ret=21238, temp=-2147465061, x={842:0}, xor(x)=21239] [L48] ret2 = xor(x) [L49] EXPR x[0] [L49] temp=x[0] [L50] int i =0 ; VAL [i=2, i=0, N=2, ret=21238, ret2=21239, temp=-2147466741, x={842:0}] [L50] COND TRUE i main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/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 -> a4ee2cdc1f0cbbd62309a70b71e98ce771ffa71f4ebd85e731799a93fbbc3919 [2021-11-23 00:29:34,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:29:34,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:29:34,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:29:34,590 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:29:34,591 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:29:34,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-crafted/xor5.i [2021-11-23 00:29:34,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/data/468d22e8f/b37faf1eb7e34694ad304582eb328a75/FLAGb6ca1a1d1 [2021-11-23 00:29:35,263 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:29:35,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/sv-benchmarks/c/array-crafted/xor5.i [2021-11-23 00:29:35,272 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/data/468d22e8f/b37faf1eb7e34694ad304582eb328a75/FLAGb6ca1a1d1 [2021-11-23 00:29:35,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/data/468d22e8f/b37faf1eb7e34694ad304582eb328a75 [2021-11-23 00:29:35,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:29:35,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:29:35,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:35,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:29:35,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:29:35,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:35" (1/1) ... [2021-11-23 00:29:35,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a93c39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:35, skipping insertion in model container [2021-11-23 00:29:35,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:35" (1/1) ... [2021-11-23 00:29:35,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:29:35,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:29:35,881 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_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/sv-benchmarks/c/array-crafted/xor5.i[1364,1377] [2021-11-23 00:29:35,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:35,897 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:29:35,960 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_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/sv-benchmarks/c/array-crafted/xor5.i[1364,1377] [2021-11-23 00:29:35,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:36,002 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:29:36,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36 WrapperNode [2021-11-23 00:29:36,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:36,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:36,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:29:36,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:29:36,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,072 INFO L137 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2021-11-23 00:29:36,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:36,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:29:36,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:29:36,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:29:36,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:29:36,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:29:36,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:29:36,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:29:36,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:29:36,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:29:36,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:29:36,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:29:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:29:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:29:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:29:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:29:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:29:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:29:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2021-11-23 00:29:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2021-11-23 00:29:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:29:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:29:36,381 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:29:36,383 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:29:36,584 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:29:36,661 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:29:36,661 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:29:36,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:36 BoogieIcfgContainer [2021-11-23 00:29:36,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:29:36,665 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:29:36,665 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:29:36,693 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:29:36,693 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:36" (1/1) ... [2021-11-23 00:29:36,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:29:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-23 00:29:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 00:29:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:29:36,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:36,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:36,878 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:29:36,888 INFO L158 Benchmark]: Toolchain (without parser) took 1295.77ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 49.5MB in the beginning and 71.6MB in the end (delta: -22.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-23 00:29:36,889 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:36,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.20ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 51.4MB in the end (delta: -2.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:29:36,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.87ms. Allocated memory is still 69.2MB. Free memory was 51.4MB in the beginning and 49.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:36,895 INFO L158 Benchmark]: Boogie Preprocessor took 68.81ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 48.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:36,896 INFO L158 Benchmark]: RCFGBuilder took 520.47ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 35.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:29:36,898 INFO L158 Benchmark]: CodeCheck took 217.91ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 35.9MB in the beginning and 71.6MB in the end (delta: -35.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 00:29:36,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.20ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 51.4MB in the end (delta: -2.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.87ms. Allocated memory is still 69.2MB. Free memory was 51.4MB in the beginning and 49.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.81ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 48.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.47ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 35.9MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 217.91ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 35.9MB in the beginning and 71.6MB in the end (delta: -35.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:29:36,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141780e8-e2fc-42d9-9e95-2219d7c4fdd9/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 Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared