./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test24-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test24-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b --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 ba9918f9236391a08a9d6d8a63aa823d4042d99b397d7843518d83dccab2fbf8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:15:27,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:15:27,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:15:28,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:15:28,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:15:28,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:15:28,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:15:28,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:15:28,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:15:28,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:15:28,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:15:28,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:15:28,023 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:15:28,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:15:28,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:15:28,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:15:28,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:15:28,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:15:28,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:15:28,024 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:15:28,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:15:28,024 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:15:28,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:15:28,024 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:15:28,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:15:28,024 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:15:28,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:15:28,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:15:28,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:15:28,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:15:28,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:15:28,025 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:15:28,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:15:28,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b 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 -> ba9918f9236391a08a9d6d8a63aa823d4042d99b397d7843518d83dccab2fbf8 [2024-12-06 03:15:28,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:15:28,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:15:28,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:15:28,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:15:28,277 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:15:28,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test24-2.c [2024-12-06 03:15:30,874 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/data/3431722da/4a4ff4f2c544427faaee923ffcb545ed/FLAGfc29dd6de [2024-12-06 03:15:31,063 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:15:31,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/sv-benchmarks/c/ldv-regression/test24-2.c [2024-12-06 03:15:31,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/data/3431722da/4a4ff4f2c544427faaee923ffcb545ed/FLAGfc29dd6de [2024-12-06 03:15:31,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/data/3431722da/4a4ff4f2c544427faaee923ffcb545ed [2024-12-06 03:15:31,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:15:31,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:15:31,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:15:31,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:15:31,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:15:31,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b908a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31, skipping insertion in model container [2024-12-06 03:15:31,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:15:31,578 WARN L250 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_02a944bc-369b-4964-bac8-23e993989b2c/sv-benchmarks/c/ldv-regression/test24-2.c[807,820] [2024-12-06 03:15:31,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:15:31,587 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:15:31,600 WARN L250 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_02a944bc-369b-4964-bac8-23e993989b2c/sv-benchmarks/c/ldv-regression/test24-2.c[807,820] [2024-12-06 03:15:31,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:15:31,612 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:15:31,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31 WrapperNode [2024-12-06 03:15:31,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:15:31,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:15:31,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:15:31,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:15:31,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,635 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-12-06 03:15:31,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:15:31,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:15:31,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:15:31,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:15:31,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,647 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:15:31,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:15:31,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:15:31,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:15:31,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:15:31,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:15:31,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:15:31,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:15:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:15:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:15:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:15:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:15:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:15:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:15:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:15:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:15:31,752 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:15:31,753 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:15:31,876 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 03:15:31,876 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:15:31,913 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:15:31,913 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:15:31,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:15:31 BoogieIcfgContainer [2024-12-06 03:15:31,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:15:31,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:15:31,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:15:31,923 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:15:31,923 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:15:31" (1/1) ... [2024-12-06 03:15:31,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:15:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:31,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 03:15:31,979 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 03:15:31,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:15:31,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:31,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-12-06 03:15:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-12-06 03:15:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:15:32,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:32,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 03:15:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 03:15:32,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:15:32,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:32,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:32,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 03:15:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 03:15:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:15:32,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:32,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:32,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:32,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-06 03:15:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-06 03:15:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:15:32,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:32,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:32,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:32,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:32,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 03:15:32,761 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 03:15:32,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:15:32,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:32,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 03:15:32,909 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 03:15:32,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:15:32,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:33,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 03:15:33,082 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 03:15:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:15:33,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:33,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:33,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-06 03:15:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-06 03:15:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:15:33,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:33,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:33,414 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:33,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-12-06 03:15:33,485 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-12-06 03:15:33,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:15:33,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:33,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:33,628 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:33,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-12-06 03:15:33,700 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-12-06 03:15:33,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:15:33,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:33,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-12-06 03:15:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-12-06 03:15:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:15:33,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:34,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-12-06 03:15:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-12-06 03:15:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:15:34,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:34,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-12-06 03:15:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-12-06 03:15:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:15:34,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:34,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:34,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-12-06 03:15:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-12-06 03:15:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:15:34,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:34,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2024-12-06 03:15:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2024-12-06 03:15:34,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 03:15:34,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:34,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:35,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2024-12-06 03:15:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-12-06 03:15:35,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 03:15:35,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2024-12-06 03:15:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2024-12-06 03:15:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:15:35,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:35,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2024-12-06 03:15:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-12-06 03:15:35,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:15:35,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:35,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:36,090 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2024-12-06 03:15:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-12-06 03:15:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:15:36,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:36,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:36,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:36,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 32 states and 35 transitions. [2024-12-06 03:15:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-12-06 03:15:36,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:15:36,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:36,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:15:36,646 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:15:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:15:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:15:44,561 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:15:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:15:51,073 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2024-12-06 03:15:51,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:15:51 ImpRootNode [2024-12-06 03:15:51,104 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:15:51,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:15:51,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:15:51,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:15:51,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:15:31" (3/4) ... [2024-12-06 03:15:51,106 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:15:51,146 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 27. [2024-12-06 03:15:51,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:15:51,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:15:51,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:15:51,206 INFO L158 Benchmark]: Toolchain (without parser) took 19757.52ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 106.1MB in the beginning and 128.7MB in the end (delta: -22.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-12-06 03:15:51,206 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:15:51,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.08ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 94.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:15:51,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.90ms. Allocated memory is still 134.2MB. Free memory was 94.7MB in the beginning and 93.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:15:51,207 INFO L158 Benchmark]: Boogie Preprocessor took 18.70ms. Allocated memory is still 134.2MB. Free memory was 93.5MB in the beginning and 92.5MB in the end (delta: 930.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:15:51,208 INFO L158 Benchmark]: RCFGBuilder took 258.39ms. Allocated memory is still 134.2MB. Free memory was 92.5MB in the beginning and 79.9MB in the end (delta: 12.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:15:51,208 INFO L158 Benchmark]: CodeCheck took 19190.43ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 79.9MB in the beginning and 133.0MB in the end (delta: -53.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-12-06 03:15:51,208 INFO L158 Benchmark]: Witness Printer took 100.74ms. Allocated memory is still 201.3MB. Free memory was 133.0MB in the beginning and 128.7MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:15:51,210 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.1s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 435 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 821 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 937 IncrementalHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 821 mSolverCounterUnsat, 140 mSDtfsCounter, 937 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2474 GetRequests, 2225 SyntacticMatches, 171 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2299 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 8.0s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 377 NumberOfCodeBlocks, 377 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1330 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 39]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] struct dummy ad1[20], *ad2; [L18] int i, j, *pa; [L19] j=0 VAL [ad1={7254:0}, j=0] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=1] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=2] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=3] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=4] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=5] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=6] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=7] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=8] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=9] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=10] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=11] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=12] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=13] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=14] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=15] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=16] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=17] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=18] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=19] [L19] COND TRUE j<20 [L20] ad1[j].a = __VERIFIER_nondet_int() [L21] ad1[j].b = __VERIFIER_nondet_int() [L19] j++ VAL [ad1={7254:0}, j=20] [L19] COND FALSE !(j<20) [L23] i = __VERIFIER_nondet_int() [L24] COND TRUE i >= 0 && i < 10 [L25] ad2 = ad1 [L26] ad1[i].a = i [L27] pa = &ad1[i].a [L28] EXPR ad2[i].a [L28] i = ad2[i].a + 10 [L29] EXPR \read(*pa) VAL [ad1={7254:0}, i=11, pa={7254:8}] [L29] COND FALSE !(i < *pa) [L32] CALL, EXPR check(ad1, i) [L12] EXPR ad1[b].a [L12] return ad1[b].a == b; [L32] RET, EXPR check(ad1, i) [L32] COND TRUE !check(ad1, i) [L39] reach_error() VAL [pa={7254:8}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.08ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 94.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.90ms. Allocated memory is still 134.2MB. Free memory was 94.7MB in the beginning and 93.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.70ms. Allocated memory is still 134.2MB. Free memory was 93.5MB in the beginning and 92.5MB in the end (delta: 930.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 258.39ms. Allocated memory is still 134.2MB. Free memory was 92.5MB in the beginning and 79.9MB in the end (delta: 12.7MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 19190.43ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 79.9MB in the beginning and 133.0MB in the end (delta: -53.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 100.74ms. Allocated memory is still 201.3MB. Free memory was 133.0MB in the beginning and 128.7MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:15:51,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a944bc-369b-4964-bac8-23e993989b2c/bin/ukojak-verify-CZk0znPC7b/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