./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.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_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/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_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b --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 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:30:52,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:30:52,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:30:52,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:30:52,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:30:52,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:30:52,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:30:52,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:30:52,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:30:52,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:30:52,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:30:52,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:30:52,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:30:52,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:30:52,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:30:52,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:30:52,891 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:30:52,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:30:52,892 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:30:52,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:30:52,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:30:52,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:30:52,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:30:52,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:30:52,892 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:30:52,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:30:52,892 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_272bc14f-0c71-41e1-8679-1c4539fd9aca/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 ! 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 -> 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 [2024-12-06 02:30:53,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:30:53,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:30:53,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:30:53,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:30:53,144 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:30:53,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c [2024-12-06 02:30:55,844 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/data/4fdd7a356/8ae3fd0e9fdb450d8aff0000a5d05f60/FLAG16b6ac3cf [2024-12-06 02:30:56,014 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:30:56,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c [2024-12-06 02:30:56,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/data/4fdd7a356/8ae3fd0e9fdb450d8aff0000a5d05f60/FLAG16b6ac3cf [2024-12-06 02:30:56,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/data/4fdd7a356/8ae3fd0e9fdb450d8aff0000a5d05f60 [2024-12-06 02:30:56,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:30:56,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:30:56,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:30:56,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:30:56,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:30:56,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4fdae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56, skipping insertion in model container [2024-12-06 02:30:56,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:30:56,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:30:56,217 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:30:56,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:30:56,246 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:30:56,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56 WrapperNode [2024-12-06 02:30:56,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:30:56,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:30:56,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:30:56,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:30:56,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,281 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-12-06 02:30:56,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:30:56,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:30:56,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:30:56,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:30:56,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,294 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:30:56,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:30:56,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:30:56,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:30:56,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:30:56,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:30:56,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:30:56,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_272bc14f-0c71-41e1-8679-1c4539fd9aca/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:30:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:30:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:30:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:30:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:30:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:30:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:30:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:30:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:30:56,426 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:30:56,428 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:30:56,671 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-12-06 02:30:56,671 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:30:56,706 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:30:56,706 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:30:56,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:30:56 BoogieIcfgContainer [2024-12-06 02:30:56,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:30:56,707 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:30:56,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:30:56,718 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:30:56,718 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:30:56" (1/1) ... [2024-12-06 02:30:56,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:30:56,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2024-12-06 02:30:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2024-12-06 02:30:56,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:30:56,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:56,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:56,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:30:56,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:30:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 65 states and 70 transitions. [2024-12-06 02:30:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2024-12-06 02:30:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:30:57,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:57,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:57,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:30:57,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:30:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 74 transitions. [2024-12-06 02:30:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2024-12-06 02:30:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:30:57,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:57,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:57,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:30:57,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:30:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 77 transitions. [2024-12-06 02:30:57,477 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2024-12-06 02:30:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:30:57,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:57,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:30:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 79 transitions. [2024-12-06 02:30:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2024-12-06 02:30:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:30:57,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:57,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:30:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:57,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:30:57,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:30:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 88 transitions. [2024-12-06 02:30:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2024-12-06 02:30:58,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:30:58,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:58,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:30:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 100 transitions. [2024-12-06 02:30:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2024-12-06 02:30:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:30:59,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:59,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:30:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 102 transitions. [2024-12-06 02:30:59,284 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2024-12-06 02:30:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:30:59,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:59,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:30:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:30:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 84 states and 105 transitions. [2024-12-06 02:30:59,462 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-12-06 02:30:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:30:59,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:30:59,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:30:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:30:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:31:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 93 states and 120 transitions. [2024-12-06 02:31:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2024-12-06 02:31:00,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:31:00,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:00,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 104 states and 141 transitions. [2024-12-06 02:31:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 141 transitions. [2024-12-06 02:31:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:31:00,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:00,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:01,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 114 states and 157 transitions. [2024-12-06 02:31:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2024-12-06 02:31:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:31:01,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:01,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:01,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 115 states and 158 transitions. [2024-12-06 02:31:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2024-12-06 02:31:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:31:01,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:01,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 120 states and 168 transitions. [2024-12-06 02:31:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2024-12-06 02:31:02,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:31:02,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:02,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:02,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 125 states and 179 transitions. [2024-12-06 02:31:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 179 transitions. [2024-12-06 02:31:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:31:02,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:02,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:03,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:03,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 131 states and 190 transitions. [2024-12-06 02:31:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2024-12-06 02:31:03,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:31:03,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:03,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 135 states and 197 transitions. [2024-12-06 02:31:04,160 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2024-12-06 02:31:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:31:04,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:04,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 136 states and 198 transitions. [2024-12-06 02:31:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 198 transitions. [2024-12-06 02:31:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:31:04,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:04,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:04,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:04,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 135 states and 197 transitions. [2024-12-06 02:31:04,660 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2024-12-06 02:31:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:31:04,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:04,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:04,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 137 states and 199 transitions. [2024-12-06 02:31:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2024-12-06 02:31:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:31:04,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:04,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 147 states and 212 transitions. [2024-12-06 02:31:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 212 transitions. [2024-12-06 02:31:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:31:06,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:06,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 154 states and 223 transitions. [2024-12-06 02:31:07,547 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 223 transitions. [2024-12-06 02:31:07,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:31:07,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:07,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:07,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 02:31:07,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:31:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 171 states and 246 transitions. [2024-12-06 02:31:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 246 transitions. [2024-12-06 02:31:09,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:31:09,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:09,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 179 states and 258 transitions. [2024-12-06 02:31:11,593 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 258 transitions. [2024-12-06 02:31:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:31:11,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:11,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:11,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 02:31:11,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:31:12,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 189 states and 275 transitions. [2024-12-06 02:31:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 275 transitions. [2024-12-06 02:31:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:31:12,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:12,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:12,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:31:12,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:31:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:13,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 192 states and 281 transitions. [2024-12-06 02:31:13,666 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 281 transitions. [2024-12-06 02:31:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:31:13,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:13,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:13,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:31:13,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:31:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:14,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 196 states and 288 transitions. [2024-12-06 02:31:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 288 transitions. [2024-12-06 02:31:14,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:31:14,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:14,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:14,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:31:14,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:31:16,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 208 states and 302 transitions. [2024-12-06 02:31:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 302 transitions. [2024-12-06 02:31:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:31:16,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:16,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:16,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:31:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 209 states and 304 transitions. [2024-12-06 02:31:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 304 transitions. [2024-12-06 02:31:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:31:17,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:17,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:17,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:31:17,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 215 states and 311 transitions. [2024-12-06 02:31:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 311 transitions. [2024-12-06 02:31:18,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:31:18,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:18,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:18,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:31:18,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 02:31:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 216 states and 312 transitions. [2024-12-06 02:31:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 312 transitions. [2024-12-06 02:31:19,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:31:19,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:19,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:19,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:31:19,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:31:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:31:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 221 states and 322 transitions. [2024-12-06 02:31:22,152 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 322 transitions. [2024-12-06 02:31:22,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 02:31:22,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:22,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 02:31:24,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 238 states and 353 transitions. [2024-12-06 02:31:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 353 transitions. [2024-12-06 02:31:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 02:31:24,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:24,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 02:31:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:26,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 245 states and 366 transitions. [2024-12-06 02:31:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 366 transitions. [2024-12-06 02:31:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 02:31:26,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:26,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 02:31:29,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 263 states and 402 transitions. [2024-12-06 02:31:29,717 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 402 transitions. [2024-12-06 02:31:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 02:31:29,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:29,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:29,768 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 02:31:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 265 states and 406 transitions. [2024-12-06 02:31:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 406 transitions. [2024-12-06 02:31:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 02:31:30,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:30,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:31:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 269 states and 416 transitions. [2024-12-06 02:31:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 416 transitions. [2024-12-06 02:31:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 02:31:31,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:31,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:31,459 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 02:31:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 275 states and 429 transitions. [2024-12-06 02:31:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 429 transitions. [2024-12-06 02:31:34,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 02:31:34,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:34,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 02:31:42,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:42,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 279 states and 439 transitions. [2024-12-06 02:31:42,969 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 439 transitions. [2024-12-06 02:31:42,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 02:31:42,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:42,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 02:31:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 277 states and 437 transitions. [2024-12-06 02:31:43,730 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 437 transitions. [2024-12-06 02:31:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:31:43,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:43,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 02:33:04,298 WARN L286 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 20 DAG size of output: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:34:56,787 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:35:01,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:38:00,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:38:04,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:38:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 283 states and 450 transitions. [2024-12-06 02:38:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 450 transitions. [2024-12-06 02:38:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:38:51,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:51,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:38:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:38:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:51,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:38:51,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:38:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 02:39:35,028 WARN L286 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 40 DAG size of output: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:40:03,419 WARN L286 SmtUtils]: Spent 26.79s on a formula simplification. DAG size of input: 41 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:41:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 296 states and 477 transitions. [2024-12-06 02:41:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 477 transitions. [2024-12-06 02:41:30,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 02:41:30,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:30,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:41:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-06 02:42:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:04,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 301 states and 490 transitions. [2024-12-06 02:42:04,670 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 490 transitions. [2024-12-06 02:42:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 02:42:04,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:04,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:42:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:42:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:04,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:42:04,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 02:42:20,030 WARN L286 SmtUtils]: Spent 10.36s on a formula simplification. DAG size of input: 40 DAG size of output: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:43:50,487 WARN L286 SmtUtils]: Spent 11.65s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:44:03,375 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 37 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:45:24,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 02:45:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 310 states and 512 transitions. [2024-12-06 02:45:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 512 transitions. [2024-12-06 02:45:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 02:45:26,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:26,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:45:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:26,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:45:26,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:34,621 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 02:46:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 316 states and 527 transitions. [2024-12-06 02:46:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 527 transitions. [2024-12-06 02:46:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 02:46:04,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:04,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:46:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.