./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm --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 93288430628c47f5b29fea9bae87a960ba351b35fa235fa55fc142299145054c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:45:14,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:45:14,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:45:14,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:45:14,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:45:14,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:45:14,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:45:14,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:45:14,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:45:14,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:45:14,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:45:14,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:45:14,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:45:14,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:45:14,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:45:14,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:45:14,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:45:14,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:45:14,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:45:14,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:45:14,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:45:14,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:45:14,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:45:14,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:45:14,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:45:14,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:45:14,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:45:14,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:14,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:45:14,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:45:14,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:45:14,532 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:45:14,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:45:14,532 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_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm 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 -> 93288430628c47f5b29fea9bae87a960ba351b35fa235fa55fc142299145054c [2024-11-13 20:45:14,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:45:15,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:45:15,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:45:15,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:45:15,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:45:15,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound1.c Unable to find full path for "g++" [2024-11-13 20:45:17,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:45:18,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:45:18,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound1.c [2024-11-13 20:45:18,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/data/1df9fce06/fd4841990d6e4af3b6049cfa46dce131/FLAG39b851336 [2024-11-13 20:45:18,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/data/1df9fce06/fd4841990d6e4af3b6049cfa46dce131 [2024-11-13 20:45:18,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:45:18,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:45:18,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:18,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:45:18,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:45:18,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af44c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18, skipping insertion in model container [2024-11-13 20:45:18,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:45:18,469 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_7fe6208e-3853-4168-9c9f-d2e84e02650a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound1.c[458,471] [2024-11-13 20:45:18,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:18,524 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:45:18,541 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_7fe6208e-3853-4168-9c9f-d2e84e02650a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound1.c[458,471] [2024-11-13 20:45:18,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:45:18,572 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:45:18,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18 WrapperNode [2024-11-13 20:45:18,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:45:18,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:18,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:45:18,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:45:18,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,622 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-13 20:45:18,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:45:18,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:45:18,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:45:18,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:45:18,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:45:18,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:45:18,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:45:18,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:45:18,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:45:18" (1/1) ... [2024-11-13 20:45:18,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:45:18,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:45:18,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:45:18,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:45:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:45:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:45:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:45:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:45:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:45:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:45:18,910 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:45:18,912 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:45:19,145 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:45:19,146 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:45:19,202 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:45:19,202 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:45:19,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:19 BoogieIcfgContainer [2024-11-13 20:45:19,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:45:19,204 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:45:19,204 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:45:19,221 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:45:19,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:19" (1/1) ... [2024-11-13 20:45:19,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:45:19,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 20:45:19,321 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 20:45:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:45:19,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:19,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:45:19,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 20:45:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 20:45:19,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:45:19,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:19,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:45:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 20:45:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 20:45:19,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:45:19,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:19,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:45:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:20,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:45:20,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:45:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 20:45:20,840 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 20:45:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:45:20,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:20,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:45:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 20:45:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 20:45:22,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:45:22,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:22,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:45:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:22,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:45:22,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:45:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-13 20:45:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-13 20:45:23,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:45:23,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:23,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:45:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 19 states and 21 transitions. [2024-11-13 20:45:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-13 20:45:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:45:23,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:23,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:45:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:23,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:45:23,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:45:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 21 states and 25 transitions. [2024-11-13 20:45:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 20:45:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:45:24,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:24,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:45:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:24,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:45:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:45:24,281 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2024-11-13 20:45:24,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:45:24 ImpRootNode [2024-11-13 20:45:24,336 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:45:24,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:45:24,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:45:24,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:45:24,340 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:45:19" (3/4) ... [2024-11-13 20:45:24,341 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:45:24,407 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:45:24,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:45:24,409 INFO L158 Benchmark]: Toolchain (without parser) took 6192.70ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 50.0MB in the end (delta: 54.8MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-13 20:45:24,410 INFO L158 Benchmark]: CDTParser took 1.90ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:24,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.75ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 93.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:45:24,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.75ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 92.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:24,412 INFO L158 Benchmark]: Boogie Preprocessor took 47.79ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.6MB in the end (delta: 679.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:24,412 INFO L158 Benchmark]: RCFGBuilder took 530.29ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 78.7MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:45:24,413 INFO L158 Benchmark]: CodeCheck took 5132.23ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 52.7MB in the end (delta: 26.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-13 20:45:24,414 INFO L158 Benchmark]: Witness Printer took 70.93ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 50.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:45:24,416 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: 5.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 194 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 436 IncrementalHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 120 mSDtfsCounter, 436 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 690 GetRequests, 617 SyntacticMatches, 13 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 3 NumberOfNonLiveVariables, 178 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 15/19 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 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L22] CALL assume_abort_if_not(k <= 256) [L7] COND FALSE !(!cond) [L22] RET assume_abort_if_not(k <= 256) [L24] y = 0 [L25] x = 0 [L26] c = 0 VAL [c=0, counter=0, k=2, x=0, y=0] [L28] EXPR counter++ VAL [c=0, counter=1, k=2, x=0, y=0] [L28] COND TRUE counter++<1 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=0, counter=1, k=2, x=0, y=0] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=1, counter=1, k=2, x=1, y=1] [L28] EXPR counter++ VAL [c=1, counter=2, k=2, x=1, y=1] [L28] COND FALSE !(counter++<1) [L39] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L39] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=1, counter=2, k=2, x=1, y=1] [L40] CALL __VERIFIER_assert(k*y == y*y) VAL [\old(cond)=0, counter=2] [L10] COND TRUE !(cond) VAL [\old(cond)=0, counter=2] [L12] reach_error() VAL [\old(cond)=0, counter=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.75ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 93.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.75ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 92.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.79ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.6MB in the end (delta: 679.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 530.29ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 78.7MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5132.23ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 52.7MB in the end (delta: 26.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Witness Printer took 70.93ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 50.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 20:45:24,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fe6208e-3853-4168-9c9f-d2e84e02650a/bin/ukojak-verify-EEHR8qb7sm/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