./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro --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 64bit --witnessprinter.graph.data.programhash a63cce9b5d0d116d42793383c44b561e5f346151eb2d927982195304973d8fbd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:05:13,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:05:13,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:05:13,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:05:13,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:05:13,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:05:13,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:05:13,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:05:13,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:05:13,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:05:13,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:05:13,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:05:13,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:05:13,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:05:13,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:05:13,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:05:13,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:05:13,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:05:13,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:05:13,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:05:13,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:05:13,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:05:13,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:05:13,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:05:13,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:05:13,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:05:13,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:05:13,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:05:13,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:05:13,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:05:13,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:05:13,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:05:13,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:05:13,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:05:13,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:05:13,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:05:13,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:05:13,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:05:13,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:05:13,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:05:13,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:05:13,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:05:13,407 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:05:13,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:05:13,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:05:13,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:05:13,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:05:13,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:05:13,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:05:13,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:05:13,410 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:05:13,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:05:13,412 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:05:13,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:05:13,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:05:13,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:05:13,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:05:13,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:05:13,413 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:05:13,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:05:13,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:05:13,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:05:13,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:05:13,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:05:13,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:05:13,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:05:13,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:05:13,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:05:13,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:05:13,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:05:13,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:05:13,418 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:05:13,418 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:05:13,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:05:13,419 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_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a63cce9b5d0d116d42793383c44b561e5f346151eb2d927982195304973d8fbd [2022-11-18 20:05:13,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:05:13,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:05:13,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:05:13,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:05:13,762 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:05:13,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_18_good.i [2022-11-18 20:05:13,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/data/6ad0db08f/7183f7a651774605a1c922fd8243e511/FLAGded392ec8 [2022-11-18 20:05:14,503 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:05:14,503 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_18_good.i [2022-11-18 20:05:14,534 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/data/6ad0db08f/7183f7a651774605a1c922fd8243e511/FLAGded392ec8 [2022-11-18 20:05:14,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/data/6ad0db08f/7183f7a651774605a1c922fd8243e511 [2022-11-18 20:05:14,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:05:14,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:05:14,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:14,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:05:14,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:05:14,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:14,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570e73e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14, skipping insertion in model container [2022-11-18 20:05:14,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:14,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:05:14,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:05:15,241 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:05:15,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:15,693 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:05:15,711 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:05:15,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:15,904 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:05:15,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15 WrapperNode [2022-11-18 20:05:15,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:15,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:15,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:05:15,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:05:15,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:15,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:15,994 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-11-18 20:05:16,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:16,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:05:16,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:05:16,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:05:16,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:16,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:16,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:16,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:16,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:16,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:16,045 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:16,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:16,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:05:16,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:05:16,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:05:16,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:05:16,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (1/1) ... [2022-11-18 20:05:16,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:05:16,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:05:16,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:05:16,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:05:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 20:05:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 20:05:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 20:05:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 20:05:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:05:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:05:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:05:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 20:05:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:05:16,399 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:05:16,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:05:16,563 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:05:16,569 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:05:16,583 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:05:16,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:16 BoogieIcfgContainer [2022-11-18 20:05:16,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:05:16,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:05:16,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:05:16,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:05:16,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:05:14" (1/3) ... [2022-11-18 20:05:16,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298e98dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:16, skipping insertion in model container [2022-11-18 20:05:16,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:15" (2/3) ... [2022-11-18 20:05:16,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298e98dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:16, skipping insertion in model container [2022-11-18 20:05:16,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:16" (3/3) ... [2022-11-18 20:05:16,596 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_18_good.i [2022-11-18 20:05:16,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:05:16,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-18 20:05:16,691 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:05:16,699 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@770be4c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:05:16,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-18 20:05:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 30 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-18 20:05:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:05:16,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:05:16,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:05:16,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-18 20:05:16,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:16,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1808287997, now seen corresponding path program 1 times [2022-11-18 20:05:16,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:16,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077069612] [2022-11-18 20:05:16,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:16,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:05:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:05:17,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:17,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077069612] [2022-11-18 20:05:17,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077069612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:05:17,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:05:17,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:05:17,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750629648] [2022-11-18 20:05:17,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:05:17,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:05:17,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:17,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:05:17,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:05:17,050 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 30 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:05:17,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:05:17,101 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2022-11-18 20:05:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:05:17,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-18 20:05:17,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:05:17,122 INFO L225 Difference]: With dead ends: 57 [2022-11-18 20:05:17,124 INFO L226 Difference]: Without dead ends: 19 [2022-11-18 20:05:17,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:05:17,135 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 14 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:05:17,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 44 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:05:17,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-18 20:05:17,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-18 20:05:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:05:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2022-11-18 20:05:17,177 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2022-11-18 20:05:17,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:05:17,179 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-11-18 20:05:17,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:05:17,180 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-11-18 20:05:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 20:05:17,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:05:17,182 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:05:17,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:05:17,184 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-18 20:05:17,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:17,185 INFO L85 PathProgramCache]: Analyzing trace with hash 134771874, now seen corresponding path program 1 times [2022-11-18 20:05:17,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:17,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219814742] [2022-11-18 20:05:17,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:17,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:17,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:05:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:05:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:05:17,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:17,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219814742] [2022-11-18 20:05:17,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219814742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:05:17,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:05:17,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:05:17,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174478018] [2022-11-18 20:05:17,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:05:17,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:05:17,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:17,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:05:17,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:05:17,355 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:05:17,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:05:17,364 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-18 20:05:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:05:17,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-18 20:05:17,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:05:17,371 INFO L225 Difference]: With dead ends: 19 [2022-11-18 20:05:17,371 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:05:17,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:05:17,373 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:05:17,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 30 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:05:17,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:05:17,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:05:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:05:17,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-18 20:05:17,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:05:17,377 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:05:17,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:05:17,378 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:05:17,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:05:17,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-18 20:05:17,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-18 20:05:17,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-18 20:05:17,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-18 20:05:17,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:05:17,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:05:17,445 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 20:05:17,448 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:05:17,448 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 20:05:17,448 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:05:17,448 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:05:17,449 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 20:05:17,449 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:05:17,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-18 20:05:17,450 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:05:17,450 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2022-11-18 20:05:17,450 INFO L895 garLoopResultBuilder]: At program point L1596(lines 1590 1597) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-18 20:05:17,450 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-18 20:05:17,451 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2022-11-18 20:05:17,451 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1567) no Hoare annotation was computed. [2022-11-18 20:05:17,451 INFO L895 garLoopResultBuilder]: At program point L1555(lines 1549 1569) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-18 20:05:17,451 INFO L895 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-18 20:05:17,452 INFO L895 garLoopResultBuilder]: At program point L1574(lines 1571 1584) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-18 20:05:17,452 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1584) no Hoare annotation was computed. [2022-11-18 20:05:17,452 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:05:17,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-18 20:05:17,453 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-18 20:05:17,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2022-11-18 20:05:17,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:05:17,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:05:17,459 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-18 20:05:17,459 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: false [2022-11-18 20:05:17,460 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-11-18 20:05:17,462 INFO L902 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: true [2022-11-18 20:05:17,467 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-18 20:05:17,467 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1589) no Hoare annotation was computed. [2022-11-18 20:05:17,467 INFO L902 garLoopResultBuilder]: At program point L1552(lines 1549 1569) the Hoare annotation is: true [2022-11-18 20:05:17,467 INFO L899 garLoopResultBuilder]: For program point L1581(line 1581) no Hoare annotation was computed. [2022-11-18 20:05:17,468 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1569) no Hoare annotation was computed. [2022-11-18 20:05:17,468 INFO L899 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2022-11-18 20:05:17,468 INFO L895 garLoopResultBuilder]: At program point L1577(lines 1571 1584) the Hoare annotation is: (and (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) (= |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2022-11-18 20:05:17,471 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:05:17,477 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:05:17,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:05:17 BoogieIcfgContainer [2022-11-18 20:05:17,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:05:17,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:05:17,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:05:17,497 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:05:17,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:16" (3/4) ... [2022-11-18 20:05:17,500 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:05:17,507 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 20:05:17,508 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 20:05:17,514 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-18 20:05:17,514 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-18 20:05:17,515 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:05:17,515 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:05:17,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:05:17,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:05:17,553 INFO L158 Benchmark]: Toolchain (without parser) took 2831.10ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 50.4MB in the end (delta: 38.8MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-11-18 20:05:17,553 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:05:17,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1178.89ms. Allocated memory is still 125.8MB. Free memory was 88.9MB in the beginning and 50.7MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-18 20:05:17,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.91ms. Allocated memory is still 125.8MB. Free memory was 50.7MB in the beginning and 47.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:05:17,554 INFO L158 Benchmark]: Boogie Preprocessor took 50.98ms. Allocated memory is still 125.8MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:05:17,555 INFO L158 Benchmark]: RCFGBuilder took 530.98ms. Allocated memory is still 125.8MB. Free memory was 45.7MB in the beginning and 93.5MB in the end (delta: -47.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-18 20:05:17,555 INFO L158 Benchmark]: TraceAbstraction took 906.46ms. Allocated memory is still 125.8MB. Free memory was 92.7MB in the beginning and 52.6MB in the end (delta: 40.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-18 20:05:17,556 INFO L158 Benchmark]: Witness Printer took 55.33ms. Allocated memory is still 125.8MB. Free memory was 52.6MB in the beginning and 50.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:05:17,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1178.89ms. Allocated memory is still 125.8MB. Free memory was 88.9MB in the beginning and 50.7MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.91ms. Allocated memory is still 125.8MB. Free memory was 50.7MB in the beginning and 47.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.98ms. Allocated memory is still 125.8MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 530.98ms. Allocated memory is still 125.8MB. Free memory was 45.7MB in the beginning and 93.5MB in the end (delta: -47.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 906.46ms. Allocated memory is still 125.8MB. Free memory was 92.7MB in the beginning and 52.6MB in the end (delta: 40.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 55.33ms. Allocated memory is still 125.8MB. Free memory was 52.6MB in the beginning and 50.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 47 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 17 PreInvPairs, 22 NumberOfFragments, 30 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: 2147483647 <= data - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: 2147483647 <= data - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 2147483647 <= data && data == 2 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 2147483647 <= data - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:05:17,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa826aa9-9bee-41ea-a51a-b2279cbcbb10/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE