./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_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/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_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:21:39,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:21:39,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:21:39,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:21:39,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:21:39,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:21:39,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:21:39,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:21:39,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:21:39,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:21:39,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:21:39,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:21:39,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:21:39,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:21:39,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:21:39,940 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:21:39,940 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:21:39,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:21:39,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:21:39,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:21:39,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:21:39,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:21:39,941 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:21:39,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:21:39,941 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_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2024-12-06 05:21:40,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:21:40,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:21:40,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:21:40,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:21:40,188 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:21:40,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2024-12-06 05:21:42,809 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/data/3b4533860/a584a9ab153240a9a3b3081b72eeb2c9/FLAG9ed592140 [2024-12-06 05:21:43,002 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:21:43,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2024-12-06 05:21:43,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/data/3b4533860/a584a9ab153240a9a3b3081b72eeb2c9/FLAG9ed592140 [2024-12-06 05:21:43,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/data/3b4533860/a584a9ab153240a9a3b3081b72eeb2c9 [2024-12-06 05:21:43,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:21:43,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:21:43,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:21:43,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:21:43,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:21:43,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ce16fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43, skipping insertion in model container [2024-12-06 05:21:43,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:21:43,181 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_359ebf9f-6734-493a-933d-2a73d33a2c07/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2024-12-06 05:21:43,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:21:43,209 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:21:43,219 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_359ebf9f-6734-493a-933d-2a73d33a2c07/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2024-12-06 05:21:43,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:21:43,241 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:21:43,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43 WrapperNode [2024-12-06 05:21:43,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:21:43,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:21:43,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:21:43,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:21:43,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,270 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-12-06 05:21:43,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:21:43,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:21:43,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:21:43,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:21:43,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:21:43,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:21:43,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:21:43,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:21:43,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:21:43,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:21:43,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:21:43,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ebf9f-6734-493a-933d-2a73d33a2c07/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:21:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:21:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:21:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:21:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:21:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:21:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:21:43,402 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:21:43,403 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:21:43,536 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 05:21:43,536 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:21:43,612 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:21:43,612 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:21:43,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:43 BoogieIcfgContainer [2024-12-06 05:21:43,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:21:43,613 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:21:43,614 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:21:43,622 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:21:43,623 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:43" (1/1) ... [2024-12-06 05:21:43,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:21:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 05:21:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 05:21:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:21:43,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:43,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 05:21:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 05:21:43,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:21:43,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:43,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:21:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:43,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:21:43,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:44,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-06 05:21:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 05:21:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:21:44,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:44,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-06 05:21:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 05:21:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:21:44,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:44,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:21:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:44,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:21:44,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:45,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2024-12-06 05:21:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2024-12-06 05:21:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:21:45,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:45,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:21:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:45,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 05:21:45,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:47,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2024-12-06 05:21:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2024-12-06 05:21:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:21:47,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:47,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:21:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2024-12-06 05:21:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2024-12-06 05:21:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:21:49,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:49,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:21:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:49,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:21:49,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:21:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 82 transitions. [2024-12-06 05:21:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 82 transitions. [2024-12-06 05:21:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 05:21:49,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:49,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:21:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:21:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:49,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 05:21:49,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:22:25,521 WARN L286 SmtUtils]: Spent 12.90s on a formula simplification. DAG size of input: 45 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:22:42,040 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:22:45,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 05:22:45,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 40 states and 89 transitions. [2024-12-06 05:22:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 89 transitions. [2024-12-06 05:22:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:22:45,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:45,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:22:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:22:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:45,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 05:22:45,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:23:49,569 WARN L286 SmtUtils]: Spent 49.14s on a formula simplification. DAG size of input: 83 DAG size of output: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:24:10,536 WARN L286 SmtUtils]: Spent 10.47s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:24:16,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 05:24:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:16,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 44 states and 103 transitions. [2024-12-06 05:24:16,071 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 103 transitions. [2024-12-06 05:24:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:24:16,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:16,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:24:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:24:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:23,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 48 states and 115 transitions. [2024-12-06 05:24:23,298 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 115 transitions. [2024-12-06 05:24:23,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:24:23,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:23,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:24:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:24:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:23,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 05:24:23,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:24:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 49 states and 118 transitions. [2024-12-06 05:24:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 118 transitions. [2024-12-06 05:24:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:24:27,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:27,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:24:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:24:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:28,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 50 states and 119 transitions. [2024-12-06 05:24:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 119 transitions. [2024-12-06 05:24:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:24:28,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:28,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:24:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:24:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:28,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:24:28,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:24:29,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 124 transitions. [2024-12-06 05:24:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 124 transitions. [2024-12-06 05:24:29,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 05:24:29,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:29,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:24:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:24:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:29,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 05:24:29,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:27:51,294 WARN L286 SmtUtils]: Spent 2.04m on a formula simplification. DAG size of input: 48 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:28:34,200 WARN L286 SmtUtils]: Spent 39.03s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:28:45,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.85s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 05:28:53,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 05:29:00,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.32s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 05:29:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:29:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 54 states and 129 transitions. [2024-12-06 05:29:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 129 transitions. [2024-12-06 05:29:00,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 05:29:00,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:29:00,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:29:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:29:30,941 WARN L286 SmtUtils]: Spent 10.78s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:30:04,922 WARN L286 SmtUtils]: Spent 10.73s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:30:36,399 WARN L286 SmtUtils]: Spent 10.78s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:31:00,179 WARN L286 SmtUtils]: Spent 11.71s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:31:10,484 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] [2024-12-06 05:31:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:31:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 146 transitions. [2024-12-06 05:31:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 146 transitions. [2024-12-06 05:31:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 05:31:14,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:31:14,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:31:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:31:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:15,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 05:31:15,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:31:28,944 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) [2024-12-06 05:31:35,319 WARN L286 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:32:26,426 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:33:50,444 WARN L286 SmtUtils]: Spent 37.85s on a formula simplification that was a NOOP. DAG size: 319 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:34:43,581 WARN L286 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 05:34:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:36:10,561 WARN L286 SmtUtils]: Spent 1.31m on a formula simplification. DAG size of input: 139 DAG size of output: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)