./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY --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 18699bf5fb338ee07f26df32519d8644b1d2392e .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:56:24,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:56:24,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:56:24,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:56:24,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:56:24,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:56:24,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:56:24,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:56:24,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:56:24,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:56:24,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:56:24,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:56:24,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:56:24,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:56:24,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:56:24,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:56:24,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:56:24,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:56:24,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:56:24,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:56:24,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:56:24,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:56:24,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:56:24,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:56:24,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:56:24,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:56:24,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:56:24,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:56:24,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:56:24,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:56:24,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:56:24,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:56:24,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:56:24,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:56:24,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:56:24,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:56:24,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:56:24,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:56:24,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:56:24,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:56:24,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:56:24,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 03:56:24,550 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:56:24,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:56:24,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:56:24,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:56:24,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:56:24,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:56:24,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:56:24,555 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:56:24,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:56:24,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:56:24,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:56:24,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:56:24,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:56:24,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:56:24,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:56:24,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:56:24,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:56:24,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:56:24,566 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:56:24,566 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:56:24,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:56:24,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:56:24,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:56:24,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:56:24,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:56:24,567 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:56:24,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:56:24,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:56:24,568 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_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18699bf5fb338ee07f26df32519d8644b1d2392e [2021-10-13 03:56:24,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:56:24,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:56:24,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:56:24,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:56:24,885 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:56:24,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c [2021-10-13 03:56:24,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/data/9b8f5116f/d18289e518944e0eb612e48c35ebc40c/FLAGc910e6d56 [2021-10-13 03:56:25,406 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:56:25,406 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c [2021-10-13 03:56:25,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/data/9b8f5116f/d18289e518944e0eb612e48c35ebc40c/FLAGc910e6d56 [2021-10-13 03:56:25,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/data/9b8f5116f/d18289e518944e0eb612e48c35ebc40c [2021-10-13 03:56:25,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:56:25,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:56:25,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:56:25,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:56:25,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:56:25,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:56:25" (1/1) ... [2021-10-13 03:56:25,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356b2f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:25, skipping insertion in model container [2021-10-13 03:56:25,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:56:25" (1/1) ... [2021-10-13 03:56:25,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:56:25,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:56:26,009 WARN L228 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_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c[417,430] [2021-10-13 03:56:26,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:56:26,023 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:56:26,037 WARN L228 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_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/sv-benchmarks/c/bitvector-regression/implicitunsignedconversion-1.c[417,430] [2021-10-13 03:56:26,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:56:26,051 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:56:26,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26 WrapperNode [2021-10-13 03:56:26,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:56:26,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:56:26,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:56:26,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:56:26,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:56:26,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:56:26,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:56:26,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:56:26,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:56:26,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:56:26,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:56:26,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:56:26,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:56:26,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:56:26,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:56:26,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:56:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:56:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:56:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:56:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:56:26,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:56:26,431 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 03:56:26,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:56:26 BoogieIcfgContainer [2021-10-13 03:56:26,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:56:26,435 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:56:26,435 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:56:26,445 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:56:26,446 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:56:26" (1/1) ... [2021-10-13 03:56:26,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:56:26,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:56:26,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-10-13 03:56:26,492 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-10-13 03:56:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 03:56:26,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:56:26,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:56:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:56:26,593 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:56:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:56:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:56:26,654 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:56:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:56:26,673 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-13 03:56:26,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:56:26 ImpRootNode [2021-10-13 03:56:26,691 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:56:26,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:56:26,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:56:26,692 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:56:26,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:56:26" (3/4) ... [2021-10-13 03:56:26,695 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 03:56:26,727 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:56:26,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:56:26,730 INFO L168 Benchmark]: Toolchain (without parser) took 917.20 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 50.5 MB in the beginning and 60.5 MB in the end (delta: -10.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:56:26,731 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:56:26,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.15 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 50.2 MB in the beginning and 84.5 MB in the end (delta: -34.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:56:26,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.42 ms. Allocated memory is still 109.1 MB. Free memory was 84.0 MB in the beginning and 83.0 MB in the end (delta: 941.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:56:26,734 INFO L168 Benchmark]: Boogie Preprocessor took 24.52 ms. Allocated memory is still 109.1 MB. Free memory was 83.0 MB in the beginning and 81.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:56:26,735 INFO L168 Benchmark]: RCFGBuilder took 321.43 ms. Allocated memory is still 109.1 MB. Free memory was 81.9 MB in the beginning and 72.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:56:26,736 INFO L168 Benchmark]: CodeCheck took 256.80 ms. Allocated memory is still 109.1 MB. Free memory was 72.5 MB in the beginning and 62.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:56:26,737 INFO L168 Benchmark]: Witness Printer took 35.40 ms. Allocated memory is still 109.1 MB. Free memory was 62.0 MB in the beginning and 60.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:56:26,743 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 207.1ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 4.1ms SsaConstructionTime, 12.3ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] unsigned int plus_one = 1; [L7] int minus_one = -1; [L9] COND TRUE plus_one < minus_one [L14] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 240.15 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 50.2 MB in the beginning and 84.5 MB in the end (delta: -34.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.42 ms. Allocated memory is still 109.1 MB. Free memory was 84.0 MB in the beginning and 83.0 MB in the end (delta: 941.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.52 ms. Allocated memory is still 109.1 MB. Free memory was 83.0 MB in the beginning and 81.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 321.43 ms. Allocated memory is still 109.1 MB. Free memory was 81.9 MB in the beginning and 72.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 256.80 ms. Allocated memory is still 109.1 MB. Free memory was 72.5 MB in the beginning and 62.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 35.40 ms. Allocated memory is still 109.1 MB. Free memory was 62.0 MB in the beginning and 60.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 03:56:26,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bf46d01-53c2-4cfd-a0a8-80b4694f62d2/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...