./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/aim-100-2-0-unsat-3.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_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/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_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/aim-100-2-0-unsat-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/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_044c6cd5-38eb-4b43-951b-c086f15a3427/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 a08febfbe7aaa6db351ad7b71c1e30c5707f2f7ac94227bf542051ec6e508ae7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:15:49,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:15:49,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:15:49,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:15:49,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:15:49,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:15:49,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:15:49,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:15:49,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:15:49,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:15:49,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:15:49,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:15:49,935 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:15:49,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:15:49,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:15:49,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:15:49,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:15:49,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:15:49,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:15:49,936 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:15:49,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:15:49,936 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:15:49,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:15:49,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:15:49,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:15:49,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:15:49,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:15:49,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:15:49,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:15:49,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:15:49,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:15:49,937 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:15:49,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:15:49,938 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_044c6cd5-38eb-4b43-951b-c086f15a3427/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 -> a08febfbe7aaa6db351ad7b71c1e30c5707f2f7ac94227bf542051ec6e508ae7 [2024-12-06 02:15:50,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:15:50,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:15:50,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:15:50,176 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:15:50,177 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:15:50,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/xcsp/aim-100-2-0-unsat-3.c [2024-12-06 02:15:52,759 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/data/5e3f5d2f7/c3e9b2404af443f3a4c5bb4c3d992001/FLAG113bac340 [2024-12-06 02:15:53,008 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:15:53,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/sv-benchmarks/c/xcsp/aim-100-2-0-unsat-3.c [2024-12-06 02:15:53,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/data/5e3f5d2f7/c3e9b2404af443f3a4c5bb4c3d992001/FLAG113bac340 [2024-12-06 02:15:53,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/data/5e3f5d2f7/c3e9b2404af443f3a4c5bb4c3d992001 [2024-12-06 02:15:53,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:15:53,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:15:53,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:15:53,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:15:53,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:15:53,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:53,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ea3241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53, skipping insertion in model container [2024-12-06 02:15:53,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:53,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:15:53,623 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_044c6cd5-38eb-4b43-951b-c086f15a3427/sv-benchmarks/c/xcsp/aim-100-2-0-unsat-3.c[21187,21200] [2024-12-06 02:15:53,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:15:53,647 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:15:53,714 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_044c6cd5-38eb-4b43-951b-c086f15a3427/sv-benchmarks/c/xcsp/aim-100-2-0-unsat-3.c[21187,21200] [2024-12-06 02:15:53,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:15:53,728 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:15:53,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53 WrapperNode [2024-12-06 02:15:53,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:15:53,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:15:53,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:15:53,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:15:53,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:53,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:53,903 INFO L138 Inliner]: procedures = 13, calls = 400, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4101 [2024-12-06 02:15:53,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:15:53,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:15:53,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:15:53,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:15:53,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:53,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:53,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:53,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:54,070 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:54,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:54,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:54,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:54,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:54,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:15:54,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:15:54,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:15:54,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:15:54,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:53" (1/1) ... [2024-12-06 02:15:54,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:15:54,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:15:54,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:15:54,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044c6cd5-38eb-4b43-951b-c086f15a3427/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:15:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:15:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:15:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:15:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:15:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-12-06 02:15:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-12-06 02:15:54,418 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:15:54,420 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:15:58,780 INFO L? ?]: Removed 923 outVars from TransFormulas that were not future-live. [2024-12-06 02:15:58,780 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:16:01,352 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:16:01,352 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:16:01,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:16:01 BoogieIcfgContainer [2024-12-06 02:16:01,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:16:01,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:16:01,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:16:01,362 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:16:01,363 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:16:01" (1/1) ... [2024-12-06 02:16:01,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:16:01,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:01,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 692 states and 1083 transitions. [2024-12-06 02:16:01,439 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1083 transitions. [2024-12-06 02:16:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1475 [2024-12-06 02:16:01,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:01,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 154056 backedges. 9506 proven. 15064 refuted. 0 times theorem prover too weak. 129486 trivial. 0 not checked. [2024-12-06 02:22:17,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1310 states and 2165 transitions. [2024-12-06 02:22:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2165 transitions. [2024-12-06 02:22:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1475 [2024-12-06 02:22:17,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:17,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 154056 backedges. 9483 proven. 15087 refuted. 0 times theorem prover too weak. 129486 trivial. 0 not checked.