./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.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_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/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_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/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_b24b5b7a-bfd8-4784-ae32-e32107835bc9/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 deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:51,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:51,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 21:26:51,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:51,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:51,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:51,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:51,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:51,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:51,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:51,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:26:51,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:51,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:51,089 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:51,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:51,089 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:51,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:51,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:51,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:51,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:51,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:51,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:51,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:51,090 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:51,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:51,090 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_b24b5b7a-bfd8-4784-ae32-e32107835bc9/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 -> deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a [2024-12-05 21:26:51,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:51,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:51,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:51,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:51,343 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:51,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2024-12-05 21:26:53,973 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/data/3a1719e07/c2cbb76e0b2a4222b548b46a2dc4bae5/FLAG5676204e2 [2024-12-05 21:26:54,189 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:54,190 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2024-12-05 21:26:54,197 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/data/3a1719e07/c2cbb76e0b2a4222b548b46a2dc4bae5/FLAG5676204e2 [2024-12-05 21:26:54,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/data/3a1719e07/c2cbb76e0b2a4222b548b46a2dc4bae5 [2024-12-05 21:26:54,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:54,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:54,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:54,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:54,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:54,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d10509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54, skipping insertion in model container [2024-12-05 21:26:54,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:54,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:54,705 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:54,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:54,733 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:54,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54 WrapperNode [2024-12-05 21:26:54,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:54,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:54,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:54,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:54,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,762 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-12-05 21:26:54,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:54,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:54,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:54,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:54,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,774 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:26:54,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:26:54,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:26:54,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:26:54,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:54,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:26:54,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:26:54,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b24b5b7a-bfd8-4784-ae32-e32107835bc9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:26:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:26:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:26:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:26:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:26:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:26:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:26:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:26:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:26:54,884 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:26:54,885 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:26:55,189 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-12-05 21:26:55,189 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:26:55,220 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:26:55,220 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:26:55,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:55 BoogieIcfgContainer [2024-12-05 21:26:55,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:26:55,221 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:26:55,221 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:26:55,228 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:26:55,228 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:26:55,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:55,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 103 states and 111 transitions. [2024-12-05 21:26:55,275 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions. [2024-12-05 21:26:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:26:55,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:55,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:55,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 21:26:55,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:26:55,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 104 states and 115 transitions. [2024-12-05 21:26:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions. [2024-12-05 21:26:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:26:55,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:55,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:55,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 21:26:55,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:26:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:56,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 106 states and 122 transitions. [2024-12-05 21:26:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2024-12-05 21:26:56,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:26:56,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:56,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:56,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:26:56,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:26:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:56,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 109 states and 130 transitions. [2024-12-05 21:26:56,463 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2024-12-05 21:26:56,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 21:26:56,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:56,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:56,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 21:26:56,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:26:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 113 states and 138 transitions. [2024-12-05 21:26:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-12-05 21:26:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:26:56,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:56,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:57,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:26:57,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 118 states and 148 transitions. [2024-12-05 21:26:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 148 transitions. [2024-12-05 21:26:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:26:57,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:57,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:26:58,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 119 states and 149 transitions. [2024-12-05 21:26:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 149 transitions. [2024-12-05 21:26:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:26:58,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:58,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:58,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:26:58,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:26:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:59,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 126 states and 162 transitions. [2024-12-05 21:26:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 162 transitions. [2024-12-05 21:26:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 21:26:59,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:59,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:59,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:26:59,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:26:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 127 states and 163 transitions. [2024-12-05 21:26:59,214 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2024-12-05 21:26:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:26:59,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:59,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:59,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:26:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 130 states and 168 transitions. [2024-12-05 21:26:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 168 transitions. [2024-12-05 21:26:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 21:26:59,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:59,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:26:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 129 states and 167 transitions. [2024-12-05 21:26:59,928 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 167 transitions. [2024-12-05 21:26:59,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 21:26:59,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:59,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 137 states and 182 transitions. [2024-12-05 21:27:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 182 transitions. [2024-12-05 21:27:01,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 21:27:01,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:01,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 137 states and 182 transitions. [2024-12-05 21:27:01,282 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 182 transitions. [2024-12-05 21:27:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 21:27:01,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:01,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:03,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 146 states and 199 transitions. [2024-12-05 21:27:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 199 transitions. [2024-12-05 21:27:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 21:27:03,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 148 states and 202 transitions. [2024-12-05 21:27:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 202 transitions. [2024-12-05 21:27:03,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 21:27:03,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 156 states and 219 transitions. [2024-12-05 21:27:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 219 transitions. [2024-12-05 21:27:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 21:27:05,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:05,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 166 states and 237 transitions. [2024-12-05 21:27:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2024-12-05 21:27:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 21:27:06,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:06,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:07,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:07,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 169 states and 242 transitions. [2024-12-05 21:27:07,644 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 242 transitions. [2024-12-05 21:27:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 21:27:07,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:07,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 21:27:10,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:10,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 174 states and 251 transitions. [2024-12-05 21:27:10,586 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 251 transitions. [2024-12-05 21:27:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 21:27:10,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:10,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 177 states and 256 transitions. [2024-12-05 21:27:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 256 transitions. [2024-12-05 21:27:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 21:27:10,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:10,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 188 states and 278 transitions. [2024-12-05 21:27:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 278 transitions. [2024-12-05 21:27:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 21:27:12,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:12,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:12,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 21:27:12,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:14,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:14,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 200 states and 300 transitions. [2024-12-05 21:27:14,830 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 300 transitions. [2024-12-05 21:27:14,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 21:27:14,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:14,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 204 states and 307 transitions. [2024-12-05 21:27:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 307 transitions. [2024-12-05 21:27:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:27:16,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 21:27:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 203 states and 306 transitions. [2024-12-05 21:27:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 306 transitions. [2024-12-05 21:27:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 21:27:19,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:19,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:19,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 206 states and 311 transitions. [2024-12-05 21:27:19,631 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 311 transitions. [2024-12-05 21:27:19,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 21:27:19,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:19,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:19,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 21:27:19,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 210 states and 318 transitions. [2024-12-05 21:27:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 318 transitions. [2024-12-05 21:27:20,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 21:27:20,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:20,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:20,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 21:27:20,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:21,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 214 states and 324 transitions. [2024-12-05 21:27:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 324 transitions. [2024-12-05 21:27:21,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 21:27:21,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:21,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 219 states and 333 transitions. [2024-12-05 21:27:23,553 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 333 transitions. [2024-12-05 21:27:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:27:23,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:23,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 223 states and 339 transitions. [2024-12-05 21:27:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 339 transitions. [2024-12-05 21:27:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:27:23,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:23,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:23,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 21:27:23,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 227 states and 345 transitions. [2024-12-05 21:27:25,098 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 345 transitions. [2024-12-05 21:27:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:27:25,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:25,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 238 states and 365 transitions. [2024-12-05 21:27:27,257 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 365 transitions. [2024-12-05 21:27:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:27:27,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:27,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 239 states and 368 transitions. [2024-12-05 21:27:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 368 transitions. [2024-12-05 21:27:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 21:27:27,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:27,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 243 states and 375 transitions. [2024-12-05 21:27:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 375 transitions. [2024-12-05 21:27:28,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 21:27:28,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:28,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:30,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 249 states and 385 transitions. [2024-12-05 21:27:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 385 transitions. [2024-12-05 21:27:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 21:27:30,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:30,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:31,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 250 states and 390 transitions. [2024-12-05 21:27:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 390 transitions. [2024-12-05 21:27:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 21:27:31,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:31,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:31,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 21:27:31,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:27:35,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 263 states and 412 transitions. [2024-12-05 21:27:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 412 transitions. [2024-12-05 21:27:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 21:27:35,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:37,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:37,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 267 states and 419 transitions. [2024-12-05 21:27:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 419 transitions. [2024-12-05 21:27:37,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 21:27:37,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:37,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 268 states and 426 transitions. [2024-12-05 21:27:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 426 transitions. [2024-12-05 21:27:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 21:27:39,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:39,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:39,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 21:27:39,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:27:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 282 states and 451 transitions. [2024-12-05 21:27:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 451 transitions. [2024-12-05 21:27:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 21:27:45,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:45,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:45,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 21:27:45,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:46,593 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:27:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 290 states and 473 transitions. [2024-12-05 21:27:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 473 transitions. [2024-12-05 21:27:51,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 21:27:51,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:27:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 289 states and 472 transitions. [2024-12-05 21:27:51,821 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 472 transitions. [2024-12-05 21:27:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 21:27:51,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:51,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:51,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 21:27:51,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:27:58,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 298 states and 495 transitions. [2024-12-05 21:27:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 495 transitions. [2024-12-05 21:27:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 21:27:58,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:58,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:27:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:58,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 21:27:58,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:30:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:33:57,443 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:34:34,747 WARN L286 SmtUtils]: Spent 9.89s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:38:07,310 WARN L286 SmtUtils]: Spent 10.49s on a formula simplification. DAG size of input: 46 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:38:17,821 WARN L286 SmtUtils]: Spent 9.78s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)