./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.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_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/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_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/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_5fdba9cc-683b-4a24-ab61-24b46872ab8f/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 83658644ab59c175befe18129a61686a7f8ef5283dc72c7f2a03865a8223d162 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:50:55,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:50:55,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:50:55,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:50:55,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:50:55,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:50:55,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:50:55,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:50:55,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:50:55,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:50:55,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:50:55,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:50:55,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:50:55,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:50:55,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:50:55,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:50:55,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:50:55,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:50:55,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:50:55,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:50:55,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:50:55,198 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:50:55,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:50:55,198 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:50:55,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:50:55,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:50:55,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:50:55,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:50:55,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:50:55,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:50:55,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:50:55,199 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:50:55,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:50:55,199 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_5fdba9cc-683b-4a24-ab61-24b46872ab8f/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 -> 83658644ab59c175befe18129a61686a7f8ef5283dc72c7f2a03865a8223d162 [2024-11-25 03:50:55,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:50:55,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:50:55,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:50:55,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:50:55,505 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:50:55,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2024-11-25 03:50:58,485 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/data/81b6d2d2b/a93cf9a17f5a41c68a6ea0e7ce41cf1a/FLAG832a5fd49 [2024-11-25 03:50:58,710 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:50:58,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2024-11-25 03:50:58,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/data/81b6d2d2b/a93cf9a17f5a41c68a6ea0e7ce41cf1a/FLAG832a5fd49 [2024-11-25 03:50:58,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/data/81b6d2d2b/a93cf9a17f5a41c68a6ea0e7ce41cf1a [2024-11-25 03:50:58,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:50:58,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:50:58,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:50:58,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:50:58,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:50:58,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:58" (1/1) ... [2024-11-25 03:50:58,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efaae67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:58, skipping insertion in model container [2024-11-25 03:50:58,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:58" (1/1) ... [2024-11-25 03:50:58,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:50:58,935 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_5fdba9cc-683b-4a24-ab61-24b46872ab8f/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c[555,568] [2024-11-25 03:50:58,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:50:58,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:50:58,977 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_5fdba9cc-683b-4a24-ab61-24b46872ab8f/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c[555,568] [2024-11-25 03:50:58,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:50:59,003 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:50:59,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59 WrapperNode [2024-11-25 03:50:59,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:50:59,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:50:59,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:50:59,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:50:59,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,037 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-11-25 03:50:59,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:50:59,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:50:59,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:50:59,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:50:59,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:50:59,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:50:59,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:50:59,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:50:59,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:50:59,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:50:59,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:50:59,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:50:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:50:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:50:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:50:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:50:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:50:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:50:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:50:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:50:59,207 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:50:59,209 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:50:59,371 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 03:50:59,372 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:50:59,405 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:50:59,405 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:50:59,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:59 BoogieIcfgContainer [2024-11-25 03:50:59,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:50:59,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:50:59,408 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:50:59,422 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:50:59,422 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:59" (1/1) ... [2024-11-25 03:50:59,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:50:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-25 03:50:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 03:50:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:50:59,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:59,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:50:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:59,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:50:59,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:50:59,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:50:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-25 03:50:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-25 03:50:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:50:59,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:59,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:51:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:00,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:51:00,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:51:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:51:00,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:00,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-25 03:51:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-25 03:51:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:51:00,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:00,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:51:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:51:00,733 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:51:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:51:00,779 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 03:51:00,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:51:00 ImpRootNode [2024-11-25 03:51:00,809 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:51:00,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:51:00,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:51:00,811 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:51:00,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:59" (3/4) ... [2024-11-25 03:51:00,813 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:51:00,861 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 13. [2024-11-25 03:51:00,927 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:51:00,927 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:51:00,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:51:00,928 INFO L158 Benchmark]: Toolchain (without parser) took 2193.19ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 109.3MB in the end (delta: 8.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-25 03:51:00,928 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:00,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.47ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:51:00,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.23ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:00,929 INFO L158 Benchmark]: Boogie Preprocessor took 30.46ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.3MB in the end (delta: 594.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:51:00,930 INFO L158 Benchmark]: RCFGBuilder took 335.83ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 93.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:51:00,930 INFO L158 Benchmark]: CodeCheck took 1402.11ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 114.1MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:00,930 INFO L158 Benchmark]: Witness Printer took 117.97ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 109.3MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:00,932 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 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 26 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 2 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 6/7 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int z, k; [L24] long long x, y, c; [L25] z = __VERIFIER_nondet_uint() [L26] CALL assume_abort_if_not(z>=0 && z<=2) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L26] RET assume_abort_if_not(z>=0 && z<=2) VAL [z=0] [L27] k = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(k>=0 && k<=2) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L28] RET assume_abort_if_not(k>=0 && k<=2) VAL [k=0, z=0] [L30] x = 1 [L31] y = z [L32] c = 1 VAL [c=1, k=0, x=1, y=0, z=0] [L35] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, k=0, x=1, y=0, z=0] [L37] COND TRUE !(c < k) VAL [x=1, y=0, z=0] [L46] x = x * (z - 1) VAL [x=4294967295, y=0] [L48] CALL __VERIFIER_assert(1 + x - y == 0) VAL [\old(cond)=0] [L16] COND TRUE !(cond) VAL [\old(cond)=0] [L18] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.47ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.23ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.46ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.3MB in the end (delta: 594.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 335.83ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 93.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1402.11ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 114.1MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.97ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 109.3MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:51:00,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdba9cc-683b-4a24-ab61-24b46872ab8f/bin/ukojak-verify-ENZ3QT5qd3/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