./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27149dc6702b40ed508ca85da6c2aa8aa33688ab27cc92cc19b394120cb70fd9 ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:13:24,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:13:24,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:13:24,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:13:24,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:13:24,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:13:24,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:13:24,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:13:24,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:13:24,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:13:24,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:13:24,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:13:24,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:13:24,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:13:24,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:13:24,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:13:24,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:13:24,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:13:24,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:13:24,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:13:24,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:13:24,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:13:24,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:13:24,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:13:24,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:13:24,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:13:24,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:13:24,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:13:24,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:13:24,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:13:24,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:13:24,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:13:24,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:13:24,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:13:24,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:13:24,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:13:24,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:13:24,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:13:24,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:13:24,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:13:24,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:13:24,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-28 09:13:24,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:13:24,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:13:24,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:13:24,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:13:24,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:13:24,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:13:24,600 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:13:24,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:13:24,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:13:24,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:13:24,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:13:24,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:13:24,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:13:24,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:13:24,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:13:24,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:13:24,603 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-28 09:13:24,603 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:13:24,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:13:24,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:13:24,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:13:24,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:13:24,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:13:24,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:13:24,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:13:24,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:13:24,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:13:24,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:13:24,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:13:24,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:13:24,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:13:24,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:13:24,607 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_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27149dc6702b40ed508ca85da6c2aa8aa33688ab27cc92cc19b394120cb70fd9 [2021-10-28 09:13:24,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:13:24,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:13:24,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:13:24,926 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:13:24,932 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:13:24,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-10-28 09:13:25,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/data/db05a09ed/64f8288f69e14aa18f6409705583bcbe/FLAG2d083072e [2021-10-28 09:13:25,583 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:13:25,584 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-10-28 09:13:25,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/data/db05a09ed/64f8288f69e14aa18f6409705583bcbe/FLAG2d083072e [2021-10-28 09:13:25,952 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/data/db05a09ed/64f8288f69e14aa18f6409705583bcbe [2021-10-28 09:13:25,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:13:25,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:13:25,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:13:25,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:13:25,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:13:25,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:13:25" (1/1) ... [2021-10-28 09:13:25,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f354da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:25, skipping insertion in model container [2021-10-28 09:13:25,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:13:25" (1/1) ... [2021-10-28 09:13:25,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:13:25,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:13:26,188 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_986c1a67-ed9b-462c-a221-9755f4b5055e/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2021-10-28 09:13:26,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:13:26,198 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:13:26,213 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_986c1a67-ed9b-462c-a221-9755f4b5055e/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2021-10-28 09:13:26,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:13:26,225 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:13:26,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26 WrapperNode [2021-10-28 09:13:26,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:13:26,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:13:26,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:13:26,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:13:26,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:13:26,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:13:26,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:13:26,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:13:26,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:13:26,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:13:26,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:13:26,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:13:26,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (1/1) ... [2021-10-28 09:13:26,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:13:26,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:13:26,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:13:26,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:13:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:13:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:13:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-10-28 09:13:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-10-28 09:13:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:13:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:13:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-28 09:13:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-28 09:13:26,547 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:13:26,547 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 09:13:26,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:13:26 BoogieIcfgContainer [2021-10-28 09:13:26,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:13:26,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:13:26,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:13:26,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:13:26,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:13:25" (1/3) ... [2021-10-28 09:13:26,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fab925e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:13:26, skipping insertion in model container [2021-10-28 09:13:26,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:13:26" (2/3) ... [2021-10-28 09:13:26,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fab925e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:13:26, skipping insertion in model container [2021-10-28 09:13:26,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:13:26" (3/3) ... [2021-10-28 09:13:26,558 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2021-10-28 09:13:26,564 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:13:26,565 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-28 09:13:26,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fab925e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:13:26, skipping insertion in model container [2021-10-28 09:13:26,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:13:26,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:13:26,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:13:26,568 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:13:26,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:13:26" (3/3) ... [2021-10-28 09:13:26,571 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:13:26,597 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-10-28 09:13:26,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-10-28 09:13:26,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:13:26,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:13:26,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:13:26,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:13:26,675 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:13:26,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:13:26,677 INFO L168 Benchmark]: Toolchain (without parser) took 717.71 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 53.0 MB in the beginning and 75.8 MB in the end (delta: -22.8 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:26,679 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory was 58.4 MB in the beginning and 58.4 MB in the end (delta: 24.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:13:26,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.09 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.9 MB in the beginning and 91.7 MB in the end (delta: -38.8 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:26,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 115.3 MB. Free memory was 91.7 MB in the beginning and 90.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:26,697 INFO L168 Benchmark]: Boogie Preprocessor took 18.27 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 89.5 MB in the end (delta: 952.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:13:26,698 INFO L168 Benchmark]: RCFGBuilder took 275.60 ms. Allocated memory is still 115.3 MB. Free memory was 89.5 MB in the beginning and 80.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:26,698 INFO L168 Benchmark]: TraceAbstraction took 15.16 ms. Allocated memory is still 115.3 MB. Free memory was 79.4 MB in the beginning and 78.5 MB in the end (delta: 932.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:13:26,699 INFO L168 Benchmark]: Witness Printer took 107.71 ms. Allocated memory is still 115.3 MB. Free memory was 78.5 MB in the beginning and 75.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:26,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory was 58.4 MB in the beginning and 58.4 MB in the end (delta: 24.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 262.09 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.9 MB in the beginning and 91.7 MB in the end (delta: -38.8 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 115.3 MB. Free memory was 91.7 MB in the beginning and 90.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.27 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 89.5 MB in the end (delta: 952.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 275.60 ms. Allocated memory is still 115.3 MB. Free memory was 89.5 MB in the beginning and 80.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15.16 ms. Allocated memory is still 115.3 MB. Free memory was 79.4 MB in the beginning and 78.5 MB in the end (delta: 932.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 107.71 ms. Allocated memory is still 115.3 MB. Free memory was 78.5 MB in the beginning and 75.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-10-28 09:13:26,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986c1a67-ed9b-462c-a221-9755f4b5055e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...