./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_4-1_abstracted.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_4-1_abstracted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40fb7d2cef7329fe7553b968956583902b01a5683aac352e94115998d52b1172 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:47,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:47,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:32:47,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:47,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:47,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:47,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:32:47,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:32:47,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:47,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:47,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:47,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:32:47,626 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:47,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:47,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:47,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:47,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:32:47,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:47,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:32:47,635 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:47,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:32:47,636 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:47,637 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:47,637 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:47,637 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:47,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:47,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:47,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:47,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:47,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:32:47,642 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:47,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:47,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:32:47,643 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_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40fb7d2cef7329fe7553b968956583902b01a5683aac352e94115998d52b1172 [2023-11-19 03:32:47,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:47,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:47,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:47,942 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:47,943 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:47,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-acceleration/simple_4-1_abstracted.c [2023-11-19 03:32:51,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:51,390 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:51,391 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/sv-benchmarks/c/loop-acceleration/simple_4-1_abstracted.c [2023-11-19 03:32:51,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/data/5bbe8bb14/da304ac2129c47b7a8909d863472e683/FLAG0b13e3cce [2023-11-19 03:32:51,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/data/5bbe8bb14/da304ac2129c47b7a8909d863472e683 [2023-11-19 03:32:51,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:51,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:51,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:51,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:51,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:51,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f494bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51, skipping insertion in model container [2023-11-19 03:32:51,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,465 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:51,671 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/sv-benchmarks/c/loop-acceleration/simple_4-1_abstracted.c[740,753] [2023-11-19 03:32:51,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:51,702 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:51,718 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/sv-benchmarks/c/loop-acceleration/simple_4-1_abstracted.c[740,753] [2023-11-19 03:32:51,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:51,748 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:51,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51 WrapperNode [2023-11-19 03:32:51,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:51,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:51,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:51,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:51,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,785 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2023-11-19 03:32:51,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:51,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:51,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:51,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:51,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:51,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:51,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:51,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:51,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:51,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:51,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:51,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:32:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:51,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:51,973 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:51,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:52,097 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:52,166 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:52,166 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:32:52,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:52 BoogieIcfgContainer [2023-11-19 03:32:52,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:52,185 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:52,185 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:52,197 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:52,198 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:52" (1/1) ... [2023-11-19 03:32:52,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:32:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:52,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:32:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:32:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:32:52,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:52,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:32:52,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:32:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:32:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:32:52,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:32:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:32:52,574 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:32:52,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:32:52 ImpRootNode [2023-11-19 03:32:52,602 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:32:52,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:32:52,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:32:52,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:32:52,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:52" (3/4) ... [2023-11-19 03:32:52,610 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:32:52,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:32:52,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:32:52,673 INFO L158 Benchmark]: Toolchain (without parser) took 1247.53ms. Allocated memory is still 180.4MB. Free memory was 134.8MB in the beginning and 145.8MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:52,676 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:52,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.69ms. Allocated memory is still 180.4MB. Free memory was 134.2MB in the beginning and 123.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:32:52,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.99ms. Allocated memory is still 180.4MB. Free memory was 123.8MB in the beginning and 122.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:52,686 INFO L158 Benchmark]: Boogie Preprocessor took 33.42ms. Allocated memory is still 180.4MB. Free memory was 122.2MB in the beginning and 121.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:52,687 INFO L158 Benchmark]: RCFGBuilder took 363.51ms. Allocated memory is still 180.4MB. Free memory was 121.1MB in the beginning and 109.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:32:52,687 INFO L158 Benchmark]: CodeCheck took 417.41ms. Allocated memory is still 180.4MB. Free memory was 109.6MB in the beginning and 147.9MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:52,687 INFO L158 Benchmark]: Witness Printer took 67.67ms. Allocated memory is still 180.4MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:52,698 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int x = 0x0ffffff1; [L26] COND TRUE x > (1) [L27] long long int x__VERIFIER_LA_tmp0; [L28] EXPR x__VERIFIER_LA_tmp0 = x [L29] long long int __VERIFIER_LA_iterations0; [L30] EXPR __VERIFIER_LA_iterations0 = ((x__VERIFIER_LA_tmp0 - 1) / 2L) + 1L [L31] unsigned int x__VERIFIER_LA_old_tmp0; [L32] EXPR x__VERIFIER_LA_old_tmp0 = x [L33] EXPR x = (__VERIFIER_LA_iterations0 * -2L) + x__VERIFIER_LA_old_tmp0 [L26-L34] { long long int x__VERIFIER_LA_tmp0; x__VERIFIER_LA_tmp0 = x; long long int __VERIFIER_LA_iterations0; __VERIFIER_LA_iterations0 = ((x__VERIFIER_LA_tmp0 - 1) / 2L) + 1L; unsigned int x__VERIFIER_LA_old_tmp0; x__VERIFIER_LA_old_tmp0 = x; x = (__VERIFIER_LA_iterations0 * -2L) + x__VERIFIER_LA_old_tmp0; } [L37] CALL __VERIFIER_assert(!(x % 2)) [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L17] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.69ms. Allocated memory is still 180.4MB. Free memory was 134.2MB in the beginning and 123.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.99ms. Allocated memory is still 180.4MB. Free memory was 123.8MB in the beginning and 122.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.42ms. Allocated memory is still 180.4MB. Free memory was 122.2MB in the beginning and 121.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.51ms. Allocated memory is still 180.4MB. Free memory was 121.1MB in the beginning and 109.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 417.41ms. Allocated memory is still 180.4MB. Free memory was 109.6MB in the beginning and 147.9MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.67ms. Allocated memory is still 180.4MB. Free memory was 147.9MB in the beginning and 145.8MB 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! [2023-11-19 03:32:52,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f6fe23-d9ed-46d8-8692-17c509325ca1/bin/ukojak-verify-G8NBE6pJGL/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