./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.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_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/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_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/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_e6ca268d-633b-4c44-bce3-cf0a4e75f858/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 c65a53f1313db24c68393791b4908f8b7d714a999304543d6f24b17afe648af4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:03:13,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:03:13,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:03:13,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:03:13,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:03:13,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:03:13,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:03:13,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:03:13,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:03:13,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:03:13,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:03:13,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:03:13,562 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:03:13,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:03:13,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:03:13,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:03:13,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:03:13,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:03:13,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:03:13,565 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:03:13,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:03:13,565 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:03:13,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:03:13,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:03:13,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:03:13,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:03:13,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:03:13,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:13,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:03:13,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:03:13,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:03:13,567 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:03:13,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:03:13,567 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_e6ca268d-633b-4c44-bce3-cf0a4e75f858/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 -> c65a53f1313db24c68393791b4908f8b7d714a999304543d6f24b17afe648af4 [2024-11-25 02:03:13,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:03:13,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:03:13,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:03:13,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:03:13,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:03:13,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c [2024-11-25 02:03:16,892 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/data/89981053f/d9bb4640af2a484c88d4a4e6b090399a/FLAG128a5a189 [2024-11-25 02:03:17,125 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:03:17,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c [2024-11-25 02:03:17,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/data/89981053f/d9bb4640af2a484c88d4a4e6b090399a/FLAG128a5a189 [2024-11-25 02:03:17,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/data/89981053f/d9bb4640af2a484c88d4a4e6b090399a [2024-11-25 02:03:17,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:03:17,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:03:17,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:17,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:03:17,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:03:17,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621e0364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17, skipping insertion in model container [2024-11-25 02:03:17,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:03:17,338 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_e6ca268d-633b-4c44-bce3-cf0a4e75f858/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c[555,568] [2024-11-25 02:03:17,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:17,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:03:17,381 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_e6ca268d-633b-4c44-bce3-cf0a4e75f858/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c[555,568] [2024-11-25 02:03:17,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:17,401 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:03:17,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17 WrapperNode [2024-11-25 02:03:17,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:17,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:17,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:03:17,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:03:17,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,431 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-11-25 02:03:17,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:17,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:03:17,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:03:17,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:03:17,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,443 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:03:17,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:03:17,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:03:17,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:03:17,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:17,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:03:17,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:03:17,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:03:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:03:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:03:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:03:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:03:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:03:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:03:17,578 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:03:17,580 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:03:17,701 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:03:17,701 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:03:17,725 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:03:17,725 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:03:17,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:17 BoogieIcfgContainer [2024-11-25 02:03:17,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:03:17,727 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:03:17,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:03:17,740 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:03:17,740 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:17" (1/1) ... [2024-11-25 02:03:17,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:03:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 02:03:17,814 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 02:03:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:03:17,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:17,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:03:17,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:17,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:03:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:03:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:03:17,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:17,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:03:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:18,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:03:18,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:03:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-25 02:03:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-25 02:03:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:03:18,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:18,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:18,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:03:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-25 02:03:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-25 02:03:18,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:03:18,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:18,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:03:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:18,894 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:03:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:18,921 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 02:03:18,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:03:18 ImpRootNode [2024-11-25 02:03:18,947 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:03:18,948 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:03:18,948 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:03:18,948 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:03:18,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:17" (3/4) ... [2024-11-25 02:03:18,950 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:03:18,991 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 02:03:19,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:03:19,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:03:19,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:03:19,037 INFO L158 Benchmark]: Toolchain (without parser) took 1882.03ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 47.2MB in the end (delta: 70.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-25 02:03:19,038 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:19,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.41ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 106.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:03:19,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.07ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:19,039 INFO L158 Benchmark]: Boogie Preprocessor took 17.59ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.9MB in the end (delta: 557.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:19,039 INFO L158 Benchmark]: RCFGBuilder took 275.59ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.4MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:03:19,040 INFO L158 Benchmark]: CodeCheck took 1220.39ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 51.4MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:03:19,040 INFO L158 Benchmark]: Witness Printer took 88.85ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 47.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:19,042 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 56 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 1 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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: [L22] int counter = 0; [L24] unsigned int z, k; [L25] unsigned long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=0, z=0] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=0, z=0] [L33] COND TRUE counter++<1 [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=0, z=0] [L36] COND TRUE !(c < k) VAL [counter=1, x=1, y=0, z=0] [L45] x = x * (z - 1) VAL [counter=1, x=4294967295, y=0] [L47] CALL __VERIFIER_assert(1 + x - y == 0) VAL [\old(cond)=0, counter=1] [L16] COND TRUE !(cond) VAL [\old(cond)=0, counter=1] [L18] reach_error() VAL [\old(cond)=0, counter=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.41ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 106.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.07ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.59ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.9MB in the end (delta: 557.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.59ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.4MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1220.39ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 51.4MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 88.85ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 47.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:03:19,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ca268d-633b-4c44-bce3-cf0a4e75f858/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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