./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Addition01-1.c --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_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/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_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/Addition01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/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_015a2c68-7afa-4a85-9d62-9b06547fc22e/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 e906ff424c94fd8ecd254d9c90eef304003360be6e953658a0bc4f90e6c1bab7 --- 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 20:14:37,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:14:37,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:14:37,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:14:37,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:14:37,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:14:37,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:14:37,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:14:37,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:14:37,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:14:37,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:14:37,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:14:37,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:14:37,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:14:37,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:14:37,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:14:37,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:14:37,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:14:37,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:14:37,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:14:37,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:14:37,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:14:37,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:14:37,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:14:37,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:14:37,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:14:37,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:14:37,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:14:37,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:14:37,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:14:37,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:14:37,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:14:37,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:14:37,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:14:37,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:14:37,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:14:37,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:14:37,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:14:37,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:14:37,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:14:37,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:14:37,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:14:37,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:14:37,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:14:37,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:14:37,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:14:37,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:14:37,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:14:37,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:14:37,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:14:37,321 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:14:37,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:14:37,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:14:37,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:14:37,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:14:37,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:14:37,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:14:37,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:14:37,324 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:14:37,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:14:37,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:14:37,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:14:37,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:14:37,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:14:37,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:14:37,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:14:37,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:14:37,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:14:37,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:14:37,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:14:37,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:14:37,328 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:14:37,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:14:37,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:14:37,330 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_015a2c68-7afa-4a85-9d62-9b06547fc22e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e906ff424c94fd8ecd254d9c90eef304003360be6e953658a0bc4f90e6c1bab7 [2022-11-18 20:14:37,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:14:37,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:14:37,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:14:37,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:14:37,696 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:14:37,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-numeric/Addition01-1.c [2022-11-18 20:14:37,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/data/fda26dca1/f4e654bbadb0481c8730e7a5c9844a7a/FLAG55d2f1193 [2022-11-18 20:14:38,289 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:14:38,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/sv-benchmarks/c/termination-numeric/Addition01-1.c [2022-11-18 20:14:38,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/data/fda26dca1/f4e654bbadb0481c8730e7a5c9844a7a/FLAG55d2f1193 [2022-11-18 20:14:38,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/data/fda26dca1/f4e654bbadb0481c8730e7a5c9844a7a [2022-11-18 20:14:38,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:14:38,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:14:38,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:14:38,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:14:38,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:14:38,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:14:38" (1/1) ... [2022-11-18 20:14:38,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53787d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:38, skipping insertion in model container [2022-11-18 20:14:38,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:14:38" (1/1) ... [2022-11-18 20:14:38,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:14:38,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:14:39,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:14:39,025 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:14:39,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:14:39,076 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:14:39,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39 WrapperNode [2022-11-18 20:14:39,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:14:39,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:14:39,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:14:39,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:14:39,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,128 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-11-18 20:14:39,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:14:39,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:14:39,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:14:39,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:14:39,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,147 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:14:39,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:14:39,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:14:39,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:14:39,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (1/1) ... [2022-11-18 20:14:39,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:14:39,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:39,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:39,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:14:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:14:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:14:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:14:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:14:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2022-11-18 20:14:39,244 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2022-11-18 20:14:39,325 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:14:39,328 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:14:39,597 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:14:39,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:14:39,605 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:14:39,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:14:39 BoogieIcfgContainer [2022-11-18 20:14:39,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:14:39,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:14:39,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:14:39,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:14:39,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:14:38" (1/3) ... [2022-11-18 20:14:39,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1091dad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:14:39, skipping insertion in model container [2022-11-18 20:14:39,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:39" (2/3) ... [2022-11-18 20:14:39,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1091dad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:14:39, skipping insertion in model container [2022-11-18 20:14:39,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:14:39" (3/3) ... [2022-11-18 20:14:39,638 INFO L112 eAbstractionObserver]: Analyzing ICFG Addition01-1.c [2022-11-18 20:14:39,675 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:14:39,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 20:14:39,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:14:39,791 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;@5b887f94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:14:39,791 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 20:14:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 30 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:14:39,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 20:14:39,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:14:39,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:14:39,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:14:39,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:39,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1303829425, now seen corresponding path program 1 times [2022-11-18 20:14:39,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:39,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90014359] [2022-11-18 20:14:39,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:39,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:39,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:14:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:40,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:14:40,073 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:14:40,075 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 20:14:40,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 20:14:40,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 20:14:40,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 20:14:40,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 20:14:40,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 20:14:40,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 20:14:40,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 20:14:40,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:14:40,089 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-18 20:14:40,096 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:14:40,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:14:40 BoogieIcfgContainer [2022-11-18 20:14:40,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:14:40,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:14:40,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:14:40,130 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:14:40,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:14:39" (3/4) ... [2022-11-18 20:14:40,134 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 20:14:40,191 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:14:40,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:14:40,193 INFO L158 Benchmark]: Toolchain (without parser) took 1495.95ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 61.9MB in the end (delta: 20.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-11-18 20:14:40,194 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:14:40,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.74ms. Allocated memory is still 115.3MB. Free memory was 82.4MB in the beginning and 91.2MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:14:40,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.27ms. Allocated memory is still 115.3MB. Free memory was 91.2MB in the beginning and 89.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:14:40,202 INFO L158 Benchmark]: Boogie Preprocessor took 19.85ms. Allocated memory is still 115.3MB. Free memory was 89.9MB in the beginning and 89.1MB in the end (delta: 841.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:14:40,202 INFO L158 Benchmark]: RCFGBuilder took 465.77ms. Allocated memory is still 115.3MB. Free memory was 88.7MB in the beginning and 78.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:14:40,204 INFO L158 Benchmark]: TraceAbstraction took 508.89ms. Allocated memory is still 115.3MB. Free memory was 77.7MB in the beginning and 63.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:14:40,205 INFO L158 Benchmark]: Witness Printer took 63.02ms. Allocated memory is still 115.3MB. Free memory was 63.6MB in the beginning and 61.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:14:40,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.74ms. Allocated memory is still 115.3MB. Free memory was 82.4MB in the beginning and 91.2MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.27ms. Allocated memory is still 115.3MB. Free memory was 91.2MB in the beginning and 89.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.85ms. Allocated memory is still 115.3MB. Free memory was 89.9MB in the beginning and 89.1MB in the end (delta: 841.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.77ms. Allocated memory is still 115.3MB. Free memory was 88.7MB in the beginning and 78.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 508.89ms. Allocated memory is still 115.3MB. Free memory was 77.7MB in the beginning and 63.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 63.02ms. Allocated memory is still 115.3MB. Free memory was 63.6MB in the beginning and 61.9MB in the end (delta: 1.7MB). 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 - CounterExampleResult [Line: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L29] int m = __VERIFIER_nondet_int(); [L30] COND FALSE !(m <= 0) [L33] int n = __VERIFIER_nondet_int(); [L34] COND FALSE !(n <= 0) VAL [m=2147483647, n=1] [L37] CALL addition(m,n) VAL [\old(m)=2147483647, \old(n)=1] [L16] COND FALSE !(n == 0) VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L19] COND TRUE n > 0 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L20] m+1 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] - UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:14:40,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a2c68-7afa-4a85-9d62-9b06547fc22e/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)