./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash add832db9966806672143f442a800cc78e611fa9ff35088033e3f681c682e59f --- 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-b5237d8 [2022-11-21 23:07:01,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:07:01,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:07:01,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:07:01,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:07:01,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:07:01,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:07:01,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:07:01,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:07:01,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:07:01,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:07:01,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:07:01,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:07:01,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:07:01,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:07:01,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:07:01,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:07:01,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:07:01,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:07:01,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:07:01,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:07:01,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:07:01,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:07:01,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:07:01,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:07:01,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:07:01,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:07:01,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:07:01,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:07:01,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:07:01,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:07:01,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:07:01,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:07:01,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:07:01,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:07:01,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:07:01,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:07:01,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:07:01,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:07:01,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:07:01,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:07:01,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:07:01,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:07:01,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:07:01,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:07:01,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:07:01,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:07:01,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:07:01,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:07:01,281 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:07:01,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:07:01,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:07:01,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:07:01,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:07:01,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:07:01,283 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:07:01,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:07:01,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:07:01,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:07:01,283 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:07:01,284 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:07:01,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:07:01,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:07:01,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:07:01,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:07:01,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:07:01,285 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:07:01,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:07:01,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:07:01,285 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_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> add832db9966806672143f442a800cc78e611fa9ff35088033e3f681c682e59f [2022-11-21 23:07:01,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:07:01,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:07:01,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:07:01,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:07:01,638 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:07:01,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca-2.i [2022-11-21 23:07:04,717 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:07:05,048 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:07:05,049 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca-2.i [2022-11-21 23:07:05,069 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/data/29d441b60/b77d4fecebb9469b9a2a2c2f9af29c1a/FLAGf34bd4cd1 [2022-11-21 23:07:05,082 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/data/29d441b60/b77d4fecebb9469b9a2a2c2f9af29c1a [2022-11-21 23:07:05,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:07:05,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:07:05,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:07:05,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:07:05,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:07:05,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05, skipping insertion in model container [2022-11-21 23:07:05,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:07:05,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:07:05,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:07:05,391 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:07:05,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:07:05,454 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:07:05,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05 WrapperNode [2022-11-21 23:07:05,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:07:05,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:07:05,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:07:05,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:07:05,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,516 INFO L138 Inliner]: procedures = 110, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2022-11-21 23:07:05,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:07:05,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:07:05,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:07:05,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:07:05,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:07:05,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:07:05,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:07:05,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:07:05,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:05" (1/1) ... [2022-11-21 23:07:05,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:07:05,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:07:05,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:07:05,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:07:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:07:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:07:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:07:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:07:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:07:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:07:05,756 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:07:05,763 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:07:06,013 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:07:06,097 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:07:06,097 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:07:06,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:07:06 BoogieIcfgContainer [2022-11-21 23:07:06,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:07:06,102 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:07:06,102 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:07:06,113 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:07:06,113 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:07:06" (1/1) ... [2022-11-21 23:07:06,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:07:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-21 23:07:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-21 23:07:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:07:06,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:06,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:07:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-11-21 23:07:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-21 23:07:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:07:07,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:07,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:07:07,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:07:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:07:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:07:07,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:07:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:07:07,583 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 23:07:07,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:07:07 ImpRootNode [2022-11-21 23:07:07,632 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:07:07,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:07:07,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:07:07,633 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:07:07,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:07:06" (3/4) ... [2022-11-21 23:07:07,636 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 23:07:07,697 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:07:07,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:07:07,703 INFO L158 Benchmark]: Toolchain (without parser) took 2611.63ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 125.0MB in the beginning and 115.0MB in the end (delta: 10.0MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2022-11-21 23:07:07,704 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 159.4MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:07:07,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.47ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 109.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:07:07,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.00ms. Allocated memory is still 159.4MB. Free memory was 109.2MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:07:07,706 INFO L158 Benchmark]: Boogie Preprocessor took 37.38ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 106.1MB in the end (delta: 983.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:07:07,709 INFO L158 Benchmark]: RCFGBuilder took 544.26ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 89.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:07:07,711 INFO L158 Benchmark]: CodeCheck took 1530.78ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 89.3MB in the beginning and 117.1MB in the end (delta: -27.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-21 23:07:07,714 INFO L158 Benchmark]: Witness Printer took 64.30ms. Allocated memory is still 199.2MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:07:07,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 561]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] int* m = __builtin_alloca (sizeof(int)); [L552] int* n = __builtin_alloca (sizeof(int)); [L553] *y = __VERIFIER_nondet_int() [L554] *z = __VERIFIER_nondet_int() [L555] COND FALSE !(__VERIFIER_nondet_int()) [L558] *x = -1 VAL [__builtin_alloca (sizeof(int))={3154:0}, __builtin_alloca (sizeof(int))={3156:0}, __builtin_alloca (sizeof(int))={3157:0}, __builtin_alloca (sizeof(int))={3155:0}, __builtin_alloca (sizeof(int))={3158:0}, m={3155:0}, n={3154:0}, x={3156:0}, y={3157:0}, z={3158:0}] [L560] EXPR \read(*y) [L560] *y < 100 && *z < 100 [L560] EXPR \read(*z) [L560] *y < 100 && *z < 100 VAL [*y < 100 && *z < 100=1, \read(*y)=-2147483648, \read(*z)=0, __builtin_alloca (sizeof(int))={3154:0}, __builtin_alloca (sizeof(int))={3157:0}, __builtin_alloca (sizeof(int))={3158:0}, __builtin_alloca (sizeof(int))={3156:0}, __builtin_alloca (sizeof(int))={3155:0}, m={3155:0}, n={3154:0}, x={3156:0}, y={3157:0}, z={3158:0}] [L560] COND TRUE *y < 100 && *z < 100 [L561] EXPR \read(*y) [L561] EXPR \read(*x) VAL [\read(*x)=-1, \read(*y)=-2147483648, __builtin_alloca (sizeof(int))={3154:0}, __builtin_alloca (sizeof(int))={3156:0}, __builtin_alloca (sizeof(int))={3157:0}, __builtin_alloca (sizeof(int))={3155:0}, __builtin_alloca (sizeof(int))={3158:0}, m={3155:0}, n={3154:0}, x={3156:0}, y={3157:0}, z={3158:0}] [L561] *y + *x VAL [\read(*x)=-1, \read(*y)=-2147483648, __builtin_alloca (sizeof(int))={3154:0}, __builtin_alloca (sizeof(int))={3156:0}, __builtin_alloca (sizeof(int))={3157:0}, __builtin_alloca (sizeof(int))={3158:0}, __builtin_alloca (sizeof(int))={3155:0}, m={3155:0}, n={3154:0}, x={3156:0}, y={3157:0}, z={3158:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 159.4MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.47ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 109.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.00ms. Allocated memory is still 159.4MB. Free memory was 109.2MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.38ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 106.1MB in the end (delta: 983.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.26ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 89.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1530.78ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 89.3MB in the beginning and 117.1MB in the end (delta: -27.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 64.30ms. Allocated memory is still 199.2MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 23:07:07,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d495b2e9-0dbd-42b0-aaf6-7135b2efd0a3/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)