./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.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_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/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_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/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_7ffe6af3-7725-4e41-aecd-911ddbd68acb/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 a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:42:01,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:42:01,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 23:42:01,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:42:01,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:42:01,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:42:01,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:42:01,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:42:01,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:42:01,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:42:01,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:42:01,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:42:01,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:42:01,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:42:01,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:42:01,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:42:01,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:42:01,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:42:01,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:42:01,751 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:42:01,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:42:01,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:42:01,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:42:01,752 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:42:01,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:42:01,752 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:42:01,752 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:42:01,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:42:01,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:42:01,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:42:01,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:42:01,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:42:01,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:42:01,753 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:42:01,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:42:01,753 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_7ffe6af3-7725-4e41-aecd-911ddbd68acb/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 -> a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 [2024-12-05 23:42:01,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:42:01,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:42:01,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:42:01,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:42:01,969 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:42:01,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2024-12-05 23:42:04,619 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/data/99dd4f7be/d3cdaa2574c04ce0bfa1bca01240cd72/FLAGce4aaed56 [2024-12-05 23:42:04,811 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:42:04,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2024-12-05 23:42:04,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/data/99dd4f7be/d3cdaa2574c04ce0bfa1bca01240cd72/FLAGce4aaed56 [2024-12-05 23:42:04,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/data/99dd4f7be/d3cdaa2574c04ce0bfa1bca01240cd72 [2024-12-05 23:42:04,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:42:04,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:42:04,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:42:04,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:42:04,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:42:04,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:04" (1/1) ... [2024-12-05 23:42:04,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4490a14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:04, skipping insertion in model container [2024-12-05 23:42:04,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:04" (1/1) ... [2024-12-05 23:42:04,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:42:05,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:42:05,010 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:42:05,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:42:05,043 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:42:05,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05 WrapperNode [2024-12-05 23:42:05,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:42:05,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:42:05,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:42:05,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:42:05,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,077 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-12-05 23:42:05,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:42:05,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:42:05,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:42:05,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:42:05,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,090 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:42:05,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:42:05,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:42:05,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:42:05,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:42:05,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:42:05,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:42:05,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffe6af3-7725-4e41-aecd-911ddbd68acb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:42:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:42:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:42:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:42:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:42:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:42:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:42:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:42:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:42:05,210 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:42:05,212 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:42:05,528 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-12-05 23:42:05,528 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:42:05,560 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:42:05,560 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:42:05,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:05 BoogieIcfgContainer [2024-12-05 23:42:05,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:42:05,561 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:42:05,561 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:42:05,568 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:42:05,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:05" (1/1) ... [2024-12-05 23:42:05,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:42:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 103 states and 111 transitions. [2024-12-05 23:42:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions. [2024-12-05 23:42:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:42:05,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:05,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:05,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:42:05,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:05,848 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 23:42:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 104 states and 115 transitions. [2024-12-05 23:42:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions. [2024-12-05 23:42:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:42:05,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:05,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:42:06,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:06,155 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 23:42:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 106 states and 122 transitions. [2024-12-05 23:42:06,469 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2024-12-05 23:42:06,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:42:06,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:06,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:42:06,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:06,583 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 23:42:06,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:06,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 109 states and 130 transitions. [2024-12-05 23:42:06,812 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2024-12-05 23:42:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:42:06,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:06,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:42:06,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:06,968 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 23:42:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:07,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 113 states and 138 transitions. [2024-12-05 23:42:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-12-05 23:42:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:42:07,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:07,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:07,462 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 23:42:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 118 states and 148 transitions. [2024-12-05 23:42:07,876 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 148 transitions. [2024-12-05 23:42:07,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:42:07,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:07,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:08,073 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 23:42:08,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 119 states and 149 transitions. [2024-12-05 23:42:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 149 transitions. [2024-12-05 23:42:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:42:08,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:08,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:08,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:42:08,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:08,646 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 23:42:09,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:09,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 126 states and 162 transitions. [2024-12-05 23:42:09,277 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 162 transitions. [2024-12-05 23:42:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:42:09,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:09,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:09,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:42:09,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:09,383 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 23:42:09,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 127 states and 164 transitions. [2024-12-05 23:42:09,413 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 164 transitions. [2024-12-05 23:42:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:42:09,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:09,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:09,481 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 23:42:09,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 130 states and 169 transitions. [2024-12-05 23:42:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 169 transitions. [2024-12-05 23:42:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:42:09,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:09,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:09,781 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 23:42:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 129 states and 168 transitions. [2024-12-05 23:42:10,153 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 168 transitions. [2024-12-05 23:42:10,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:42:10,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:10,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:10,362 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 23:42:11,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 137 states and 184 transitions. [2024-12-05 23:42:11,598 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 184 transitions. [2024-12-05 23:42:11,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:42:11,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:11,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:11,653 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 23:42:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 137 states and 184 transitions. [2024-12-05 23:42:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 184 transitions. [2024-12-05 23:42:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:42:11,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:11,993 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 23:42:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:14,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 146 states and 202 transitions. [2024-12-05 23:42:14,091 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2024-12-05 23:42:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:42:14,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:14,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:14,130 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 23:42:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 148 states and 205 transitions. [2024-12-05 23:42:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 205 transitions. [2024-12-05 23:42:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:42:14,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:14,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:14,333 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 23:42:16,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:16,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 156 states and 223 transitions. [2024-12-05 23:42:16,443 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 223 transitions. [2024-12-05 23:42:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:42:16,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:16,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:16,555 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 23:42:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 166 states and 242 transitions. [2024-12-05 23:42:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 242 transitions. [2024-12-05 23:42:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:42:18,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:18,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:18,681 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 23:42:19,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:19,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 169 states and 247 transitions. [2024-12-05 23:42:19,201 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 247 transitions. [2024-12-05 23:42:19,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:42:19,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:19,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:19,318 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 23:42:22,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 174 states and 257 transitions. [2024-12-05 23:42:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2024-12-05 23:42:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:42:22,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:22,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:22,848 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 23:42:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 177 states and 262 transitions. [2024-12-05 23:42:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2024-12-05 23:42:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:42:22,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:22,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:23,075 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 23:42:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 188 states and 285 transitions. [2024-12-05 23:42:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 285 transitions. [2024-12-05 23:42:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:42:25,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:25,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:25,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:42:25,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:25,598 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 23:42:28,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 200 states and 308 transitions. [2024-12-05 23:42:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 308 transitions. [2024-12-05 23:42:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:42:28,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:28,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:28,348 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 23:42:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:29,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 204 states and 315 transitions. [2024-12-05 23:42:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 315 transitions. [2024-12-05 23:42:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:42:29,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:29,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:29,644 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 23:42:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 203 states and 314 transitions. [2024-12-05 23:42:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 314 transitions. [2024-12-05 23:42:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:42:32,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:32,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:32,087 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 23:42:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 206 states and 319 transitions. [2024-12-05 23:42:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 319 transitions. [2024-12-05 23:42:32,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:42:32,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:32,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:32,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:42:32,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:32,748 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 23:42:33,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 210 states and 326 transitions. [2024-12-05 23:42:33,550 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 326 transitions. [2024-12-05 23:42:33,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:42:33,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:33,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:33,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:42:33,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:33,771 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 23:42:34,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 214 states and 332 transitions. [2024-12-05 23:42:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 332 transitions. [2024-12-05 23:42:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:42:34,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:34,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:34,775 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 23:42:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 219 states and 341 transitions. [2024-12-05 23:42:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 341 transitions. [2024-12-05 23:42:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:42:36,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:36,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:36,370 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 23:42:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 223 states and 347 transitions. [2024-12-05 23:42:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 347 transitions. [2024-12-05 23:42:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:42:36,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:36,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:36,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:42:36,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:36,919 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 23:42:37,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 227 states and 353 transitions. [2024-12-05 23:42:37,829 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 353 transitions. [2024-12-05 23:42:37,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:42:37,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:37,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:37,989 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 23:42:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:40,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 238 states and 374 transitions. [2024-12-05 23:42:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 374 transitions. [2024-12-05 23:42:40,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:42:40,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:40,370 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 23:42:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:40,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 239 states and 377 transitions. [2024-12-05 23:42:40,402 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 377 transitions. [2024-12-05 23:42:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:42:40,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:40,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:40,856 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 23:42:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 243 states and 384 transitions. [2024-12-05 23:42:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 384 transitions. [2024-12-05 23:42:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:42:42,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:42,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:42,273 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 23:42:43,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:43,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 249 states and 394 transitions. [2024-12-05 23:42:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 394 transitions. [2024-12-05 23:42:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:42:43,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:43,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:43,933 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 23:42:45,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 250 states and 399 transitions. [2024-12-05 23:42:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 399 transitions. [2024-12-05 23:42:45,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 23:42:45,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:45,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:45,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:42:45,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:45,847 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 23:42:49,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:49,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 263 states and 422 transitions. [2024-12-05 23:42:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 422 transitions. [2024-12-05 23:42:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:42:49,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:49,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:50,035 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 23:42:51,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 267 states and 429 transitions. [2024-12-05 23:42:51,465 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 429 transitions. [2024-12-05 23:42:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:42:51,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:51,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:51,817 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 23:42:52,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:52,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 268 states and 436 transitions. [2024-12-05 23:42:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 436 transitions. [2024-12-05 23:42:52,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:42:52,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:52,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:53,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:42:53,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:42:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 281 states and 457 transitions. [2024-12-05 23:42:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 457 transitions. [2024-12-05 23:42:58,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:42:58,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:58,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:58,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:42:58,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:59,871 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 23:43:04,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 289 states and 478 transitions. [2024-12-05 23:43:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 478 transitions. [2024-12-05 23:43:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:43:04,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:04,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:04,518 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 23:43:04,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 288 states and 477 transitions. [2024-12-05 23:43:04,855 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 477 transitions. [2024-12-05 23:43:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:43:04,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:04,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:04,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:43:04,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:43:09,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:09,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 297 states and 503 transitions. [2024-12-05 23:43:09,925 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 503 transitions. [2024-12-05 23:43:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:43:09,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:09,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:09,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:43:09,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:09,378 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:46:09,447 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 23:54:35,010 WARN L286 SmtUtils]: Spent 25.60s on a formula simplification. DAG size of input: 33 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)