./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/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_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:27:19,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:27:19,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:27:19,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:27:19,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:27:19,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:27:19,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:27:19,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:27:19,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:27:19,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:27:19,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:27:19,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:27:19,586 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:27:19,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:27:19,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:27:19,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:27:19,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:27:19,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:27:19,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:27:19,588 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:27:19,589 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:27:19,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:27:19,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:27:19,589 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:27:19,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:27:19,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:27:19,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:27:19,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:27:19,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:27:19,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:19,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:27:19,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:27:19,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:27:19,591 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:27:19,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:27:19,592 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_92b28c4b-6784-4cfd-aaa6-9eba630c2271/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 ! overflow) ) 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 -> 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 [2024-11-25 02:27:19,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:27:19,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:27:19,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:27:19,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:27:19,936 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:27:19,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-11-25 02:27:22,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/data/cf76e3856/3ce768177638449ca516209c67e43d95/FLAG33b1f8353 [2024-11-25 02:27:23,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:27:23,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-11-25 02:27:23,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/data/cf76e3856/3ce768177638449ca516209c67e43d95/FLAG33b1f8353 [2024-11-25 02:27:23,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/data/cf76e3856/3ce768177638449ca516209c67e43d95 [2024-11-25 02:27:23,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:27:23,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:27:23,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:23,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:27:23,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:27:23,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4933b609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23, skipping insertion in model container [2024-11-25 02:27:23,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:27:23,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:23,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:27:23,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:23,650 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:27:23,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23 WrapperNode [2024-11-25 02:27:23,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:23,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:23,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:27:23,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:27:23,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,689 INFO L138 Inliner]: procedures = 14, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-25 02:27:23,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:23,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:27:23,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:27:23,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:27:23,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,707 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:27:23,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:27:23,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:27:23,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:27:23,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:23" (1/1) ... [2024-11-25 02:27:23,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:23,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:27:23,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:27:23,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:27:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:27:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:27:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:27:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:27:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:27:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:27:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:27:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:27:23,871 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:27:23,873 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:27:24,068 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:27:24,068 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:27:24,167 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:27:24,167 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:27:24,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:24 BoogieIcfgContainer [2024-11-25 02:27:24,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:27:24,171 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:27:24,171 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:27:24,183 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:27:24,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:24" (1/1) ... [2024-11-25 02:27:24,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:27:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-25 02:27:24,268 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-25 02:27:24,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:27:24,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:24,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:27:24,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:24,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2024-11-25 02:27:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 02:27:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:27:24,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:24,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:27:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 30 transitions. [2024-11-25 02:27:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-25 02:27:25,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:27:25,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:25,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:27:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:25,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 38 transitions. [2024-11-25 02:27:25,551 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-25 02:27:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:27:25,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:25,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:27:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 46 transitions. [2024-11-25 02:27:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2024-11-25 02:27:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:27:26,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:26,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:27:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 36 transitions. [2024-11-25 02:27:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-11-25 02:27:26,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 02:27:26,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:26,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:27:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 45 transitions. [2024-11-25 02:27:27,273 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-25 02:27:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:27:27,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:27,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-25 02:27:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 54 transitions. [2024-11-25 02:27:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2024-11-25 02:27:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 02:27:28,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:28,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 02:27:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 63 transitions. [2024-11-25 02:27:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-25 02:27:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-25 02:27:28,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:27:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2024-11-25 02:27:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2024-11-25 02:27:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 02:27:29,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:29,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-25 02:27:30,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 81 transitions. [2024-11-25 02:27:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2024-11-25 02:27:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-25 02:27:30,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:30,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-25 02:27:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:31,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 65 states and 90 transitions. [2024-11-25 02:27:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2024-11-25 02:27:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-25 02:27:31,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:31,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-25 02:27:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:32,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 99 transitions. [2024-11-25 02:27:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2024-11-25 02:27:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 02:27:32,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:32,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 02:27:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 77 states and 108 transitions. [2024-11-25 02:27:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2024-11-25 02:27:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-25 02:27:33,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:33,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:34,583 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-25 02:27:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 83 states and 117 transitions. [2024-11-25 02:27:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-25 02:27:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-25 02:27:35,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:35,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 363 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-25 02:27:36,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:36,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 89 states and 126 transitions. [2024-11-25 02:27:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-11-25 02:27:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-25 02:27:36,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:36,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-25 02:27:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 95 states and 135 transitions. [2024-11-25 02:27:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 135 transitions. [2024-11-25 02:27:38,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-25 02:27:38,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:38,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:39,178 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 507 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 02:27:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 101 states and 144 transitions. [2024-11-25 02:27:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2024-11-25 02:27:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-25 02:27:40,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:40,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-25 02:27:41,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 107 states and 153 transitions. [2024-11-25 02:27:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2024-11-25 02:27:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-25 02:27:41,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:41,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-25 02:27:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 113 states and 162 transitions. [2024-11-25 02:27:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 162 transitions. [2024-11-25 02:27:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-25 02:27:43,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:43,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 0 proven. 768 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-25 02:27:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 119 states and 171 transitions. [2024-11-25 02:27:45,237 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-25 02:27:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-25 02:27:45,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:45,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 0 proven. 867 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-25 02:27:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 125 states and 180 transitions. [2024-11-25 02:27:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2024-11-25 02:27:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-25 02:27:47,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:47,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-25 02:27:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 131 states and 189 transitions. [2024-11-25 02:27:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2024-11-25 02:27:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-25 02:27:49,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:49,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 0 proven. 1083 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-25 02:27:51,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:51,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 198 transitions. [2024-11-25 02:27:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2024-11-25 02:27:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-25 02:27:51,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:51,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-25 02:27:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 143 states and 207 transitions. [2024-11-25 02:27:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 207 transitions. [2024-11-25 02:27:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-25 02:27:53,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:53,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 1224 proven. 99 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-25 02:27:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 198 transitions. [2024-11-25 02:27:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2024-11-25 02:27:57,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:27:57,172 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2024-11-25 02:27:57,183 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 02:27:57,503 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-11-25 02:27:57,503 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:27:57,503 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-25 02:27:57,504 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (= ~counter~0 0) [2024-11-25 02:27:57,504 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-11-25 02:27:57,504 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:27:57,504 INFO L77 FloydHoareUtils]: At program point L42-2(lines 36 49) the Hoare annotation is: true [2024-11-25 02:27:57,504 INFO L77 FloydHoareUtils]: At program point L36-1(line 36) the Hoare annotation is: true [2024-11-25 02:27:57,504 INFO L77 FloydHoareUtils]: At program point L36-2(line 36) the Hoare annotation is: true [2024-11-25 02:27:57,506 INFO L77 FloydHoareUtils]: At program point L36-3(lines 36 49) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_main_#t~post6#1| 0)) (<= ~counter~0 20)) (<= ~counter~0 1) (< 19 |ULTIMATE.start_main_#t~post6#1|)) [2024-11-25 02:27:57,507 INFO L77 FloydHoareUtils]: At program point L36-4(lines 36 49) the Hoare annotation is: (<= ~counter~0 20) [2024-11-25 02:27:57,507 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-11-25 02:27:57,507 INFO L77 FloydHoareUtils]: At program point L36-6(lines 36 49) the Hoare annotation is: true [2024-11-25 02:27:57,507 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-25 02:27:57,507 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-25 02:27:57,507 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: true [2024-11-25 02:27:57,507 INFO L77 FloydHoareUtils]: At program point L37(lines 36 49) the Hoare annotation is: true [2024-11-25 02:27:57,508 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-11-25 02:27:57,508 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: true [2024-11-25 02:27:57,508 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: true [2024-11-25 02:27:57,508 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-25 02:27:57,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:27:57 ImpRootNode [2024-11-25 02:27:57,524 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:27:57,525 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:27:57,525 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:27:57,525 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:27:57,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:24" (3/4) ... [2024-11-25 02:27:57,528 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:27:57,531 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-25 02:27:57,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 02:27:57,536 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-25 02:27:57,537 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-25 02:27:57,537 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 02:27:57,537 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:27:57,537 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:27:57,629 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:27:57,630 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:27:57,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:27:57,631 INFO L158 Benchmark]: Toolchain (without parser) took 34299.56ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 93.7MB in the beginning and 736.1MB in the end (delta: -642.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-25 02:27:57,632 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:57,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.75ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:27:57,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.04ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:57,634 INFO L158 Benchmark]: Boogie Preprocessor took 34.63ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 758.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:57,635 INFO L158 Benchmark]: RCFGBuilder took 445.10ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 66.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:27:57,637 INFO L158 Benchmark]: CodeCheck took 33352.96ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 66.3MB in the beginning and 740.1MB in the end (delta: -673.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:57,637 INFO L158 Benchmark]: Witness Printer took 106.05ms. Allocated memory is still 780.1MB. Free memory was 740.1MB in the beginning and 736.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:57,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 33.0s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2738 SdHoareTripleChecker+Valid, 16.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1728 mSDsluCounter, 2266 SdHoareTripleChecker+Invalid, 13.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 558 mSDsCounter, 1899 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8035 IncrementalHoareTripleChecker+Invalid, 9934 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1899 mSolverCounterUnsat, 1708 mSDtfsCounter, 8035 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15824 GetRequests, 14247 SyntacticMatches, 1311 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42983 ImplicationChecksByTransitivity, 17.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 2294 NumberOfCodeBlocks, 2294 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2269 ConstructedInterpolants, 0 QuantifiedInterpolants, 5553 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 2 PerfectInterpolantSequences, 4610/13327 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 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ProcedureContractResult [Line: 8]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (counter == \old(counter)) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.75ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.04ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.63ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 758.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 445.10ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 66.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 33352.96ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 66.3MB in the beginning and 740.1MB in the end (delta: -673.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 106.05ms. Allocated memory is still 780.1MB. Free memory was 740.1MB in the beginning and 736.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:27:57,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b28c4b-6784-4cfd-aaa6-9eba630c2271/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 Result: TRUE