./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:11,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:11,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:49:11,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:11,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:11,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:11,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:11,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:11,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:11,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:11,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:11,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:11,186 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:49:11,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:11,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:49:11,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:11,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:11,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:11,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:11,191 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:49:11,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:11,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:11,192 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:11,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:11,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:11,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:11,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:11,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:11,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:11,196 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:11,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:11,197 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:11,197 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_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 [2023-11-11 23:49:11,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:11,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:11,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:11,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:11,547 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:11,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2023-11-11 23:49:14,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:15,007 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:15,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2023-11-11 23:49:15,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/data/99f8217da/f0f5091000014092bd2eabf80cc7563e/FLAG366faeaad [2023-11-11 23:49:15,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/data/99f8217da/f0f5091000014092bd2eabf80cc7563e [2023-11-11 23:49:15,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:15,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:15,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:15,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:15,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:15,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2f76f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15, skipping insertion in model container [2023-11-11 23:49:15,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,066 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:15,250 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i[951,964] [2023-11-11 23:49:15,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:15,276 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:15,288 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i[951,964] [2023-11-11 23:49:15,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:15,309 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:15,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15 WrapperNode [2023-11-11 23:49:15,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:15,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:15,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:15,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:15,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,351 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-11-11 23:49:15,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:15,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:15,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:15,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:15,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:15,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:15,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:15,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:15,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:15,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:15,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:15,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_657a1189-ee77-4d8d-a9bf-fa21416d8607/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:49:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:49:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:49:15,560 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:15,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:15,707 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:15,748 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:15,748 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:49:15,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:15 BoogieIcfgContainer [2023-11-11 23:49:15,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:15,752 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:15,752 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:15,764 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:15,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:15" (1/1) ... [2023-11-11 23:49:15,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-11 23:49:15,832 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-11 23:49:15,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:49:15,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:15,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:15,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:49:15,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-11 23:49:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-11 23:49:16,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:49:16,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:16,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:16,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:49:16,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:16,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-11 23:49:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-11 23:49:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:49:16,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:16,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:16,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:49:16,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-11 23:49:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-11 23:49:16,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:49:16,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:16,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:16,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-11 23:49:16,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-11 23:49:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-11 23:49:17,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:49:17,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:17,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:17,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:49:17,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2023-11-11 23:49:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2023-11-11 23:49:17,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:17,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:17,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:17,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-11 23:49:17,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2023-11-11 23:49:19,748 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-11-11 23:49:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:19,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:19,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:19,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:49:19,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:20,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2023-11-11 23:49:20,333 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2023-11-11 23:49:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:20,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:20,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:20,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-11 23:49:20,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:21,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2023-11-11 23:49:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2023-11-11 23:49:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:21,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:21,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:21,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:49:21,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:21,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:49:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 47 states and 89 transitions. [2023-11-11 23:49:21,995 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2023-11-11 23:49:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:21,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:21,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:22,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:49:22,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 96 transitions. [2023-11-11 23:49:22,380 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2023-11-11 23:49:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:22,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:22,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:22,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:49:22,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2023-11-11 23:49:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2023-11-11 23:49:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:23,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:23,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-11 23:49:23,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:23,713 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:25,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 58 states and 117 transitions. [2023-11-11 23:49:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 117 transitions. [2023-11-11 23:49:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:25,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:25,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:25,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:49:25,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:27,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 61 states and 131 transitions. [2023-11-11 23:49:27,037 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2023-11-11 23:49:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:27,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:27,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:27,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:49:27,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 63 states and 137 transitions. [2023-11-11 23:49:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 137 transitions. [2023-11-11 23:49:27,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:27,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:27,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:27,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:49:27,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:28,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 66 states and 149 transitions. [2023-11-11 23:49:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 149 transitions. [2023-11-11 23:49:28,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:28,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:28,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:29,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-11 23:49:29,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 68 states and 151 transitions. [2023-11-11 23:49:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 151 transitions. [2023-11-11 23:49:29,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:29,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:29,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:30,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:49:30,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:30,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:31,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 157 transitions. [2023-11-11 23:49:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 157 transitions. [2023-11-11 23:49:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:31,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:31,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:31,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:49:31,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 164 transitions. [2023-11-11 23:49:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2023-11-11 23:49:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:49:32,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:32,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:49:32,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 80 states and 182 transitions. [2023-11-11 23:49:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 182 transitions. [2023-11-11 23:49:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:49:35,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:35,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:35,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:49:35,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:38,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 85 states and 202 transitions. [2023-11-11 23:49:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 202 transitions. [2023-11-11 23:49:38,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:49:38,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:38,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:38,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:49:38,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:39,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 87 states and 215 transitions. [2023-11-11 23:49:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 215 transitions. [2023-11-11 23:49:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:39,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:39,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:39,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:49:39,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:39,194 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-11 23:49:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:41,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 92 states and 227 transitions. [2023-11-11 23:49:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 227 transitions. [2023-11-11 23:49:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:41,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:41,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:41,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:49:41,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:42,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 93 states and 233 transitions. [2023-11-11 23:49:44,277 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 233 transitions. [2023-11-11 23:49:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:44,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:44,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:44,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:49:44,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 96 states and 243 transitions. [2023-11-11 23:49:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 243 transitions. [2023-11-11 23:49:45,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:45,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:45,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:45,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-11 23:49:45,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:47,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 96 states and 242 transitions. [2023-11-11 23:49:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 242 transitions. [2023-11-11 23:49:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:47,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:47,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:47,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:49:47,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:47,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:49,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 99 states and 251 transitions. [2023-11-11 23:49:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 251 transitions. [2023-11-11 23:49:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:49,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:49,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:49,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:49:49,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-11 23:49:50,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 102 states and 259 transitions. [2023-11-11 23:49:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 259 transitions. [2023-11-11 23:49:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:49:50,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:50,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:50,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:49:50,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:50,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:53,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:53,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 106 states and 275 transitions. [2023-11-11 23:49:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 275 transitions. [2023-11-11 23:49:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:49:53,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:53,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:53,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:49:53,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:56,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 111 states and 286 transitions. [2023-11-11 23:49:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 286 transitions. [2023-11-11 23:49:56,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:49:56,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:56,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:49:56,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 113 states and 290 transitions. [2023-11-11 23:49:58,522 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 290 transitions. [2023-11-11 23:49:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:49:58,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:58,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:58,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:49:58,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:49:58,581 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 119 states and 310 transitions. [2023-11-11 23:50:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 310 transitions. [2023-11-11 23:50:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:50:01,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:01,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:01,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:50:01,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:50:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:03,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 121 states and 314 transitions. [2023-11-11 23:50:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 314 transitions. [2023-11-11 23:50:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:50:03,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:03,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:03,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:50:03,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:50:03,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:03,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 121 states and 313 transitions. [2023-11-11 23:50:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 313 transitions. [2023-11-11 23:50:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:50:03,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:03,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:03,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:50:03,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:50:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 123 states and 314 transitions. [2023-11-11 23:50:04,730 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 314 transitions. [2023-11-11 23:50:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:50:04,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:04,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:04,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:50:04,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:50:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 124 states and 321 transitions. [2023-11-11 23:50:07,020 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 321 transitions. [2023-11-11 23:50:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:50:07,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:07,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:07,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:50:07,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:50:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 124 states and 318 transitions. [2023-11-11 23:50:08,808 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 318 transitions. [2023-11-11 23:50:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:50:08,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:08,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:08,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:50:08,841 INFO L285 TraceCheckSpWp]: Computing forward predicates...