./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.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_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/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_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/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_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/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 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:20:49,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:20:49,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:20:49,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:20:49,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:20:49,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:20:49,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:20:49,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:20:49,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:20:49,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:20:49,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:20:49,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:20:49,848 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:20:49,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:20:49,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:20:49,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:20:49,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:20:49,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:20:49,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:20:49,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:20:49,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:20:49,849 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:20:49,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:20:49,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:20:49,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:20:49,850 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:20:49,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:20:49,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:49,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:20:49,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:20:49,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:20:49,853 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:20:49,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:20:49,853 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_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/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 -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2024-11-25 05:20:50,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:20:50,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:20:50,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:20:50,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:20:50,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:20:50,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2024-11-25 05:20:53,059 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/data/8210b16c9/658bd76165684eb59cc90cf50707bc7b/FLAG629363900 [2024-11-25 05:20:53,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:20:53,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2024-11-25 05:20:53,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/data/8210b16c9/658bd76165684eb59cc90cf50707bc7b/FLAG629363900 [2024-11-25 05:20:53,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/data/8210b16c9/658bd76165684eb59cc90cf50707bc7b [2024-11-25 05:20:53,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:20:53,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:20:53,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:53,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:20:53,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:20:53,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672030ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53, skipping insertion in model container [2024-11-25 05:20:53,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:20:53,621 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_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2024-11-25 05:20:53,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:53,661 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:20:53,670 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_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2024-11-25 05:20:53,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:20:53,696 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:20:53,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53 WrapperNode [2024-11-25 05:20:53,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:20:53,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:53,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:20:53,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:20:53,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,743 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-25 05:20:53,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:20:53,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:20:53,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:20:53,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:20:53,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,764 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:20:53,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:20:53,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:20:53,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:20:53,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:53" (1/1) ... [2024-11-25 05:20:53,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:20:53,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:20:53,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:20:53,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91aa4e06-6dfc-4210-bb8d-341c2ec8a6da/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:20:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:20:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:20:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:20:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:20:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:20:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:20:53,939 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:20:53,941 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:20:54,187 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 05:20:54,188 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:20:54,294 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:20:54,295 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:20:54,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:54 BoogieIcfgContainer [2024-11-25 05:20:54,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:20:54,296 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:20:54,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:20:54,308 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:20:54,308 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:54" (1/1) ... [2024-11-25 05:20:54,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:20:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 05:20:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 05:20:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:20:54,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:54,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:54,546 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 05:20:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 05:20:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 05:20:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:20:54,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:54,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:20:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:54,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:20:54,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:20:54,886 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 05:20:55,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:55,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 05:20:55,022 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 05:20:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:20:55,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:55,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:55,160 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 05:20:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:55,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-25 05:20:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 05:20:55,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:20:55,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:55,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:20:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:55,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:20:55,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:20:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:20:57,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:57,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2024-11-25 05:20:57,137 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2024-11-25 05:20:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:20:57,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:57,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:20:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 33 states and 66 transitions. [2024-11-25 05:20:58,704 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 66 transitions. [2024-11-25 05:20:58,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:20:58,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:58,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:20:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:58,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 05:20:58,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:21:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:21:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 37 states and 79 transitions. [2024-11-25 05:21:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 79 transitions. [2024-11-25 05:21:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:21:01,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:01,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:21:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 82 transitions. [2024-11-25 05:21:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 82 transitions. [2024-11-25 05:21:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 05:21:03,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:03,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:21:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:03,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 05:21:03,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:21:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:21:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-25 05:21:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-25 05:21:04,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 05:21:04,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:21:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:04,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 05:21:04,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:21:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:21:10,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:21:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 96 transitions. [2024-11-25 05:21:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 96 transitions. [2024-11-25 05:21:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:21:11,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:11,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:21:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 47 states and 114 transitions. [2024-11-25 05:21:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 114 transitions. [2024-11-25 05:21:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:21:14,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:21:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:16,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 49 states and 118 transitions. [2024-11-25 05:21:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 118 transitions. [2024-11-25 05:21:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:21:16,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:16,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:21:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:16,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 05:21:16,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:21:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:22:11,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:22:12,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:22:13,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:22:15,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:22:16,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:16,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 53 states and 134 transitions. [2024-11-25 05:22:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 134 transitions. [2024-11-25 05:22:16,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:22:16,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:16,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:22:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:16,288 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:23:24,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.67s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:23:34,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:24:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 55 states and 137 transitions. [2024-11-25 05:24:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 137 transitions. [2024-11-25 05:24:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:17,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:17,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:24:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 56 states and 142 transitions. [2024-11-25 05:24:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 142 transitions. [2024-11-25 05:24:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:18,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:18,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:24:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:18,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 05:24:18,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:24:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 57 states and 144 transitions. [2024-11-25 05:24:30,959 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 144 transitions. [2024-11-25 05:24:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:24:30,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:30,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:24:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:31,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 05:24:31,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:24:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 146 transitions. [2024-11-25 05:24:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 146 transitions. [2024-11-25 05:24:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 05:24:43,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:43,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:24:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:43,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:24:43,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 05:24:45,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 60 states and 151 transitions. [2024-11-25 05:24:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 151 transitions. [2024-11-25 05:24:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 05:24:45,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:45,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:26:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 64 states and 170 transitions. [2024-11-25 05:26:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 170 transitions. [2024-11-25 05:26:27,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 05:26:27,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:27,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:26:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:27,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 05:26:27,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:27:03,737 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:27:14,934 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:27:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:28:20,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:28:41,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:28:44,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:28:46,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:28:48,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:28:54,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-25 05:28:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 68 states and 190 transitions. [2024-11-25 05:28:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 190 transitions. [2024-11-25 05:28:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 05:28:54,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:54,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:28:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:28:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:54,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 05:28:54,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:11,840 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:29:25,354 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:30:38,689 WARN L286 SmtUtils]: Spent 11.69s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:30:52,628 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:31:04,471 WARN L286 SmtUtils]: Spent 11.84s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:31:17,732 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:31:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:31:35,819 WARN L286 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 129 DAG size of output: 109 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:31:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:31:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 69 states and 193 transitions. [2024-11-25 05:31:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 193 transitions. [2024-11-25 05:31:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 05:31:43,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:31:43,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:31:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:31:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:31:44,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-25 05:31:44,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:34,521 WARN L286 SmtUtils]: Spent 15.17s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:32:50,147 WARN L286 SmtUtils]: Spent 10.29s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:33:11,634 WARN L286 SmtUtils]: Spent 20.82s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:33:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:33:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 69 states and 193 transitions. [2024-11-25 05:33:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 193 transitions. [2024-11-25 05:33:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 05:33:26,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:26,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:33:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:33:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:26,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 05:33:26,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:34:15,429 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:34:27,381 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:34:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:34:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 69 states and 193 transitions. [2024-11-25 05:34:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 193 transitions. [2024-11-25 05:34:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 05:34:48,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:34:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:34:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:48,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 05:34:48,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:35:28,788 WARN L286 SmtUtils]: Spent 10.54s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:35:41,226 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:35:54,812 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)