./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 16c87f757d11a5b22574448d8ecfef35f586564e2cd4dda7a1b2fc9778ac5c5b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:33:56,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:33:56,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:33:56,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:33:56,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:33:56,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:33:56,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:33:56,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:33:56,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:33:56,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:33:56,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:33:56,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:33:56,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:33:56,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:33:56,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:33:56,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:33:56,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:33:56,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:33:56,944 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:33:56,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:33:56,945 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:33:56,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:33:56,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:33:56,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:33:56,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:33:56,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:56,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:33:56,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:33:56,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:33:56,951 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:33:56,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:33:56,952 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:33:56,952 INFO L153 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_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16c87f757d11a5b22574448d8ecfef35f586564e2cd4dda7a1b2fc9778ac5c5b [2023-12-03 00:33:57,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:33:57,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:33:57,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:33:57,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:33:57,226 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:33:57,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i [2023-12-03 00:33:59,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:34:00,135 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:34:00,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i [2023-12-03 00:34:00,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/data/027374bcd/9620f85281934c859f908125afd38cd9/FLAG3b29b4605 [2023-12-03 00:34:00,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/data/027374bcd/9620f85281934c859f908125afd38cd9 [2023-12-03 00:34:00,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:34:00,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:34:00,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:00,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:34:00,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:34:00,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cfcb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00, skipping insertion in model container [2023-12-03 00:34:00,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,215 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:34:00,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:00,486 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:34:00,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:00,539 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:34:00,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00 WrapperNode [2023-12-03 00:34:00,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:00,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:00,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:34:00,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:34:00,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,571 INFO L138 Inliner]: procedures = 110, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-12-03 00:34:00,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:00,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:34:00,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:34:00,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:34:00,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:34:00,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:34:00,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:34:00,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:34:00,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:00,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:34:00,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:34:00,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:34:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:34:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:34:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:34:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:34:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:34:00,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:34:00,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:34:00,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:34:00,848 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:34:00,868 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:34:00,868 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:34:00,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:00 BoogieIcfgContainer [2023-12-03 00:34:00,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:34:00,871 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:34:00,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:34:00,881 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:34:00,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:00" (1/1) ... [2023-12-03 00:34:00,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:34:00,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-12-03 00:34:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-12-03 00:34:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:34:00,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:00,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:01,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-12-03 00:34:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-12-03 00:34:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:34:01,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:01,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:01,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-12-03 00:34:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-12-03 00:34:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:34:01,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:01,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:34:01,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:34:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:34:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:34:01,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:34:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:34:01,542 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 00:34:01,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-12-03 00:34:01,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-12-03 00:34:01,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-12-03 00:34:01,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-12-03 00:34:01,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-12-03 00:34:01,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-12-03 00:34:01,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:34:01 ImpRootNode [2023-12-03 00:34:01,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:34:01,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:34:01,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:34:01,569 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:34:01,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:34:00" (3/4) ... [2023-12-03 00:34:01,570 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 00:34:01,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-12-03 00:34:01,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-12-03 00:34:01,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-12-03 00:34:01,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-12-03 00:34:01,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-12-03 00:34:01,574 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-12-03 00:34:01,605 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:34:01,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:34:01,606 INFO L158 Benchmark]: Toolchain (without parser) took 1440.57ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 84.3MB in the end (delta: 47.1MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,606 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:34:01,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.58ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 136.2MB in the end (delta: -4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.44ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 134.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,608 INFO L158 Benchmark]: Boogie Preprocessor took 19.15ms. Allocated memory is still 169.9MB. Free memory was 134.6MB in the beginning and 133.6MB in the end (delta: 974.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:34:01,608 INFO L158 Benchmark]: RCFGBuilder took 278.24ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 122.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,609 INFO L158 Benchmark]: CodeCheck took 697.39ms. Allocated memory is still 169.9MB. Free memory was 122.5MB in the beginning and 86.4MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,610 INFO L158 Benchmark]: Witness Printer took 36.40ms. Allocated memory is still 169.9MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:01,613 INFO L338 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 6 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 8 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 554]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] *x = __VERIFIER_nondet_int() [L550] EXPR \read(*x) VAL [x={2:0}] [L550] COND TRUE *x <= 1000 [L551] COND FALSE !(__VERIFIER_nondet_int()) [L554] EXPR \read(*x) VAL [x={2:0}] [L554] - 3 * (*x) VAL [x={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.58ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 136.2MB in the end (delta: -4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.44ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 134.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.15ms. Allocated memory is still 169.9MB. Free memory was 134.6MB in the beginning and 133.6MB in the end (delta: 974.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.24ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 122.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 697.39ms. Allocated memory is still 169.9MB. Free memory was 122.5MB in the beginning and 86.4MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 36.40ms. Allocated memory is still 169.9MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 00:34:01,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb3391a-b91e-4141-93ed-867a8e81e7f5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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)