./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/geo1-u.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_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/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_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo1-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/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_353101bd-624a-4c5d-a8e8-d77378535ca9/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 2477a82abfbd78f77da01d2255ad84d0b5254e5ef3977cac0ddc1fff6c3da9e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:41:01,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:41:01,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:41:01,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:41:01,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:41:01,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:41:01,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:41:01,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:41:01,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:41:01,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:41:01,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:41:01,473 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:41:01,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:41:01,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:41:01,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:41:01,474 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:41:01,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:41:01,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:41:01,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:41:01,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:41:01,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:41:01,474 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:41:01,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:41:01,475 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_353101bd-624a-4c5d-a8e8-d77378535ca9/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 -> 2477a82abfbd78f77da01d2255ad84d0b5254e5ef3977cac0ddc1fff6c3da9e8 [2024-12-05 23:41:01,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:41:01,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:41:01,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:41:01,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:41:01,724 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:41:01,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/geo1-u.c [2024-12-05 23:41:04,369 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/data/159923de5/f376eece652c4f8890acaeb247292d30/FLAG526ceb67f [2024-12-05 23:41:04,556 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:41:04,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/sv-benchmarks/c/nla-digbench/geo1-u.c [2024-12-05 23:41:04,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/data/159923de5/f376eece652c4f8890acaeb247292d30/FLAG526ceb67f [2024-12-05 23:41:04,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/data/159923de5/f376eece652c4f8890acaeb247292d30 [2024-12-05 23:41:04,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:41:04,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:41:04,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:41:04,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:41:04,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:41:04,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:41:04" (1/1) ... [2024-12-05 23:41:04,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc5ea19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:04, skipping insertion in model container [2024-12-05 23:41:04,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:41:04" (1/1) ... [2024-12-05 23:41:04,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:41:05,072 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_353101bd-624a-4c5d-a8e8-d77378535ca9/sv-benchmarks/c/nla-digbench/geo1-u.c[555,568] [2024-12-05 23:41:05,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:41:05,093 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:41:05,101 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_353101bd-624a-4c5d-a8e8-d77378535ca9/sv-benchmarks/c/nla-digbench/geo1-u.c[555,568] [2024-12-05 23:41:05,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:41:05,116 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:41:05,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05 WrapperNode [2024-12-05 23:41:05,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:41:05,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:41:05,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:41:05,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:41:05,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,139 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2024-12-05 23:41:05,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:41:05,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:41:05,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:41:05,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:41:05,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:41:05,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:41:05,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:41:05,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:41:05,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:41:05,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:41:05,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:41:05,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:41:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:41:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:41:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:41:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:41:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:41:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:41:05,269 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:41:05,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:41:05,363 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:41:05,363 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:41:05,383 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:41:05,383 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:41:05,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:41:05 BoogieIcfgContainer [2024-12-05 23:41:05,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:41:05,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:41:05,384 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:41:05,391 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:41:05,391 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:41:05" (1/1) ... [2024-12-05 23:41:05,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:41:05,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-12-05 23:41:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-12-05 23:41:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:41:05,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:41:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:41:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:05,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:41:05,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:41:05,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:41:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-12-05 23:41:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-12-05 23:41:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:41:05,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:05,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:41:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:41:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:05,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:41:05,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:41:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:41:06,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-12-05 23:41:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-12-05 23:41:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:41:06,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:06,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:41:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:41:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:41:06,356 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:41:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:41:06,381 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-05 23:41:06,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:41:06 ImpRootNode [2024-12-05 23:41:06,403 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:41:06,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:41:06,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:41:06,403 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:41:06,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:41:05" (3/4) ... [2024-12-05 23:41:06,404 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:41:06,431 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 23:41:06,465 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:41:06,465 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:41:06,465 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:41:06,466 INFO L158 Benchmark]: Toolchain (without parser) took 1511.75ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 73.2MB in the end (delta: 20.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-05 23:41:06,467 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:41:06,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.10ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:41:06,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.50ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:41:06,467 INFO L158 Benchmark]: Boogie Preprocessor took 15.02ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.4MB in the end (delta: 670.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:41:06,468 INFO L158 Benchmark]: RCFGBuilder took 227.85ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 70.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:41:06,468 INFO L158 Benchmark]: CodeCheck took 1018.51ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 77.7MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:41:06,468 INFO L158 Benchmark]: Witness Printer took 62.36ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 73.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:41:06,470 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 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 14 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 2 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/3 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] unsigned long long x, y, c; [L25] z = __VERIFIER_nondet_uint() [L26] k = __VERIFIER_nondet_uint() [L28] x = 1 [L29] y = z [L30] c = 1 VAL [c=1, x=1, y=0, z=0] [L33] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L33] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, x=1, y=0, z=0] [L35] COND TRUE !(c < k) VAL [x=1, y=0, z=0] [L44] x = x * (z - 1) VAL [x=4294967295, y=0] [L46] 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 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.10ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.50ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.02ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.4MB in the end (delta: 670.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 227.85ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 70.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1018.51ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 77.7MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.36ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 73.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:41:06,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353101bd-624a-4c5d-a8e8-d77378535ca9/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