./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC --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 deef9b1f63fa90bdeace0bbb769d25578ef53bda95c70ad5e444555427b2b0e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:07,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:07,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:07,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:07,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:07,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:07,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:07,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:07,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:07,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:07,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:07,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:07,953 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:07,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:07,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:07,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:07,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:07,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:07,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:07,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:07,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:07,959 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:07,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:07,960 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:07,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:07,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:07,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:07,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:07,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:07,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:07,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:07,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:07,965 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:07,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:07,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:07,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deef9b1f63fa90bdeace0bbb769d25578ef53bda95c70ad5e444555427b2b0e2 [2023-11-23 20:11:08,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:08,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:08,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:08,232 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:08,233 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:08,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c [2023-11-23 20:11:11,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:11,724 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:11,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c [2023-11-23 20:11:11,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/data/8b2cbf64a/eaf399b0fb504365b1abff88a62042b7/FLAGf86e67a46 [2023-11-23 20:11:11,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/data/8b2cbf64a/eaf399b0fb504365b1abff88a62042b7 [2023-11-23 20:11:11,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:11,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:11,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:11,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:11,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:11,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:11" (1/1) ... [2023-11-23 20:11:11,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3470e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:11, skipping insertion in model container [2023-11-23 20:11:11,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:11" (1/1) ... [2023-11-23 20:11:11,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:11,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:11,991 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:12,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:12,042 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:12,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12 WrapperNode [2023-11-23 20:11:12,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:12,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:12,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:12,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:12,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,119 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-23 20:11:12,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:12,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:12,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:12,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:12,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:12,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:12,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:12,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:12,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:12,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:12,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:12,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed68db6-6404-4891-9e86-333b1c99cbc3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:11:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:11:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:11:12,332 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:12,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:12,850 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:12,939 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:12,939 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:11:12,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:12 BoogieIcfgContainer [2023-11-23 20:11:12,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:12,942 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:12,942 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:12,951 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:12,952 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:12" (1/1) ... [2023-11-23 20:11:12,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-23 20:11:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-23 20:11:13,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:11:13,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:11:13,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-23 20:11:13,553 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-23 20:11:13,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:11:13,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:11:13,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-23 20:11:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-23 20:11:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:11:13,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-23 20:11:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-23 20:11:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:11:14,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:14,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:14,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-23 20:11:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-23 20:11:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:11:14,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:14,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-23 20:11:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-23 20:11:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:11:15,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:15,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:15,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:15,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-23 20:11:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-23 20:11:16,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:11:16,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:16,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:16,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:16,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-23 20:11:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-23 20:11:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:11:16,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:16,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:16,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:16,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:18,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 188 transitions. [2023-11-23 20:11:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2023-11-23 20:11:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:11:18,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:18,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:18,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:18,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:18,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 170 states and 189 transitions. [2023-11-23 20:11:18,142 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 189 transitions. [2023-11-23 20:11:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:11:18,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:18,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:18,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:18,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:18,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 175 states and 197 transitions. [2023-11-23 20:11:18,879 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 197 transitions. [2023-11-23 20:11:18,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:11:18,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:18,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:18,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:18,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:22,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 183 states and 211 transitions. [2023-11-23 20:11:22,092 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 211 transitions. [2023-11-23 20:11:22,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:11:22,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:22,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:22,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:22,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:22,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 187 states and 220 transitions. [2023-11-23 20:11:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 220 transitions. [2023-11-23 20:11:23,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:11:23,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:23,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:23,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:23,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 196 states and 237 transitions. [2023-11-23 20:11:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 237 transitions. [2023-11-23 20:11:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:11:26,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:26,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:26,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:26,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 199 states and 242 transitions. [2023-11-23 20:11:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 242 transitions. [2023-11-23 20:11:27,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:11:27,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:27,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:27,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:27,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 204 states and 251 transitions. [2023-11-23 20:11:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2023-11-23 20:11:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:11:28,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:28,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:28,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:28,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:29,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:29,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 205 states and 252 transitions. [2023-11-23 20:11:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2023-11-23 20:11:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:11:29,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:29,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:29,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:29,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 206 states and 253 transitions. [2023-11-23 20:11:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 253 transitions. [2023-11-23 20:11:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:11:29,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:29,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:29,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:29,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:29,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:29,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 207 states and 254 transitions. [2023-11-23 20:11:29,616 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 254 transitions. [2023-11-23 20:11:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:11:29,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:29,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:29,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:11:29,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:34,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 219 states and 275 transitions. [2023-11-23 20:11:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 275 transitions. [2023-11-23 20:11:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:11:34,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:34,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:34,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:11:34,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:40,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 232 states and 298 transitions. [2023-11-23 20:11:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 298 transitions. [2023-11-23 20:11:40,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:11:40,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:40,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:40,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:40,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 245 states and 323 transitions. [2023-11-23 20:11:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 323 transitions. [2023-11-23 20:11:46,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:11:46,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:46,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:46,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:11:46,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:11:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 259 states and 350 transitions. [2023-11-23 20:11:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 350 transitions. [2023-11-23 20:11:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:11:52,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:52,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:52,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:52,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:12:00,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 274 states and 379 transitions. [2023-11-23 20:12:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 379 transitions. [2023-11-23 20:12:00,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:12:00,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:00,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:00,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:00,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:12:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:03,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 284 states and 400 transitions. [2023-11-23 20:12:03,795 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 400 transitions. [2023-11-23 20:12:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:12:03,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:03,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:03,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:03,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:12:03,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 285 states and 401 transitions. [2023-11-23 20:12:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 401 transitions. [2023-11-23 20:12:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:12:03,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:03,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:03,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:03,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:12:04,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:04,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 286 states and 402 transitions. [2023-11-23 20:12:04,079 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 402 transitions. [2023-11-23 20:12:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:12:04,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:04,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:04,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:04,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:12:05,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 289 states and 406 transitions. [2023-11-23 20:12:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 406 transitions. [2023-11-23 20:12:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:12:05,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:05,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:05,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:05,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.