./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/aim-100-2-0-unsat-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_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/aim-100-2-0-unsat-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3 --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 8c59ac2422c7d09abbde792b465a04be84caaab18c703e00eaf31ad156588d1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:09:23,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:09:24,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:09:24,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:09:24,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:09:24,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:09:24,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:09:24,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:09:24,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:09:24,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:09:24,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:09:24,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:09:24,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:09:24,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:09:24,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:09:24,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:09:24,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:09:24,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:09:24,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:09:24,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:09:24,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:09:24,108 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:09:24,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:09:24,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:09:24,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:09:24,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:09:24,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:09:24,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:09:24,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:09:24,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:09:24,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:09:24,110 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:09:24,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:09:24,110 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_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8c59ac2422c7d09abbde792b465a04be84caaab18c703e00eaf31ad156588d1a [2024-11-24 18:09:24,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:09:24,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:09:24,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:09:24,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:09:24,517 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:09:24,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/xcsp/aim-100-2-0-unsat-2.c [2024-11-24 18:09:28,132 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/data/68f00518c/e9d2a6447a72473f99e9a6da5688ef2e/FLAGba7fbef66 [2024-11-24 18:09:28,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:09:28,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/sv-benchmarks/c/xcsp/aim-100-2-0-unsat-2.c [2024-11-24 18:09:28,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/data/68f00518c/e9d2a6447a72473f99e9a6da5688ef2e/FLAGba7fbef66 [2024-11-24 18:09:28,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/data/68f00518c/e9d2a6447a72473f99e9a6da5688ef2e [2024-11-24 18:09:28,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:09:28,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:09:28,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:09:28,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:09:28,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:09:28,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:28" (1/1) ... [2024-11-24 18:09:28,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8e59b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:28, skipping insertion in model container [2024-11-24 18:09:28,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:28" (1/1) ... [2024-11-24 18:09:28,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:09:29,144 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_b854157d-68b9-401d-82c7-ba7a8ea0396e/sv-benchmarks/c/xcsp/aim-100-2-0-unsat-2.c[21261,21274] [2024-11-24 18:09:29,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:09:29,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:09:29,437 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_b854157d-68b9-401d-82c7-ba7a8ea0396e/sv-benchmarks/c/xcsp/aim-100-2-0-unsat-2.c[21261,21274] [2024-11-24 18:09:29,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:09:29,476 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:09:29,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29 WrapperNode [2024-11-24 18:09:29,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:09:29,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:09:29,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:09:29,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:09:29,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:29,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:29,867 INFO L138 Inliner]: procedures = 13, calls = 399, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4148 [2024-11-24 18:09:29,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:09:29,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:09:29,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:09:29,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:09:29,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:29,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:29,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:29,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:30,128 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:30,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:30,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:30,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:30,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:30,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:09:30,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:09:30,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:09:30,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:09:30,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:29" (1/1) ... [2024-11-24 18:09:30,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:09:30,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:09:30,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:09:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b854157d-68b9-401d-82c7-ba7a8ea0396e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:09:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:09:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:09:30,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:09:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:09:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-24 18:09:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-24 18:09:30,902 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:09:30,905 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:09:38,682 INFO L? ?]: Removed 944 outVars from TransFormulas that were not future-live. [2024-11-24 18:09:38,682 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:09:45,009 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:09:45,010 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:09:45,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:45 BoogieIcfgContainer [2024-11-24 18:09:45,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:09:45,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:09:45,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:09:45,029 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:09:45,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:45" (1/1) ... [2024-11-24 18:09:45,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:09:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 690 states and 1080 transitions. [2024-11-24 18:09:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1080 transitions. [2024-11-24 18:09:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1471 [2024-11-24 18:09:45,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:45,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:09:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 153272 backedges. 11660 proven. 18475 refuted. 0 times theorem prover too weak. 123137 trivial. 0 not checked. [2024-11-24 18:22:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 1360 states and 2274 transitions. [2024-11-24 18:22:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 2274 transitions. [2024-11-24 18:22:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1471 [2024-11-24 18:22:28,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:28,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat