./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL --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 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:35:43,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:35:43,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:35:43,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:35:43,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:35:43,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:35:43,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:35:43,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:35:43,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:35:43,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:35:43,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:35:43,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:35:43,390 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:35:43,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:35:43,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:35:43,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:35:43,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:35:43,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:35:43,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:35:43,394 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:35:43,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:35:43,395 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:35:43,396 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:35:43,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:35:43,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:35:43,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:35:43,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:43,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:35:43,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:35:43,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:35:43,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:35:43,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:35:43,401 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:35:43,402 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_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 [2023-11-19 02:35:43,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:35:43,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:35:43,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:35:43,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:35:43,715 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:35:43,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2023-11-19 02:35:46,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:35:47,180 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:35:47,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2023-11-19 02:35:47,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/data/889582006/e4338012569b41258936251c0eca3057/FLAGf61d5b7f1 [2023-11-19 02:35:47,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/data/889582006/e4338012569b41258936251c0eca3057 [2023-11-19 02:35:47,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:35:47,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:35:47,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:47,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:35:47,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:35:47,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53704332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47, skipping insertion in model container [2023-11-19 02:35:47,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:35:47,422 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_e8d9e565-803c-4a9d-87f2-dfb103299fa2/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c[454,467] [2023-11-19 02:35:47,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:47,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:35:47,459 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_e8d9e565-803c-4a9d-87f2-dfb103299fa2/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c[454,467] [2023-11-19 02:35:47,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:47,479 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:35:47,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47 WrapperNode [2023-11-19 02:35:47,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:47,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:47,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:35:47,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:35:47,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,513 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-11-19 02:35:47,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:47,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:35:47,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:35:47,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:35:47,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:35:47,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:35:47,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:35:47,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:35:47,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:47,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:35:47,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:35:47,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d9e565-803c-4a9d-87f2-dfb103299fa2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:35:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:35:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:35:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:35:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:35:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:35:47,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:35:47,679 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:35:47,682 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:35:47,825 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:35:47,844 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:35:47,844 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:35:47,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:35:47 BoogieIcfgContainer [2023-11-19 02:35:47,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:35:47,850 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:35:47,850 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:35:47,866 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:35:47,867 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:35:47" (1/1) ... [2023-11-19 02:35:47,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:35:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 02:35:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 02:35:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:35:47,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:47,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:48,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:35:48,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 02:35:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 02:35:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:35:48,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:48,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:48,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:35:48,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 02:35:48,414 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 02:35:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:35:48,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:48,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:48,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:35:48,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:48,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-19 02:35:48,801 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-19 02:35:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:35:48,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:48,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:48,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:35:48,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-19 02:35:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-19 02:35:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:35:49,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:49,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:49,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:35:49,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-11-19 02:35:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-19 02:35:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:35:50,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:50,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:50,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:35:50,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:51,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-19 02:35:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 02:35:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:35:51,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:51,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:51,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:35:51,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:51,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2023-11-19 02:35:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-19 02:35:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:35:51,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:51,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:35:51,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:35:53,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2023-11-19 02:35:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2023-11-19 02:35:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:35:53,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:53,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:53,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:35:53,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:35:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2023-11-19 02:35:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2023-11-19 02:35:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:35:53,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:53,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:53,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:35:53,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:53,770 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2023-11-19 02:35:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2023-11-19 02:35:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:35:55,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:55,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:55,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:35:55,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:35:56,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2023-11-19 02:35:56,243 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2023-11-19 02:35:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:35:56,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:56,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:56,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:35:56,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:56,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-11-19 02:35:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-11-19 02:35:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:35:56,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:56,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:56,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:35:56,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:35:57,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 60 states and 120 transitions. [2023-11-19 02:35:57,901 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2023-11-19 02:35:57,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:35:57,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:57,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:57,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:35:57,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:35:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2023-11-19 02:35:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2023-11-19 02:35:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:35:59,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:59,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:59,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:35:59,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:35:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:01,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 71 states and 155 transitions. [2023-11-19 02:36:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 155 transitions. [2023-11-19 02:36:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:36:01,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:01,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:01,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:36:01,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:36:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 74 states and 158 transitions. [2023-11-19 02:36:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 158 transitions. [2023-11-19 02:36:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:36:02,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:02,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:36:02,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:02,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:02,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 74 states and 157 transitions. [2023-11-19 02:36:02,697 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 157 transitions. [2023-11-19 02:36:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:36:02,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:02,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:02,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:36:02,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:36:03,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:03,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2023-11-19 02:36:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2023-11-19 02:36:03,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:36:03,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:03,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:03,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:36:03,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2023-11-19 02:36:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2023-11-19 02:36:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:03,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:03,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:03,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:36:03,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:36:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 80 states and 174 transitions. [2023-11-19 02:36:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 174 transitions. [2023-11-19 02:36:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:05,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:05,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:05,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:36:05,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:36:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 82 states and 175 transitions. [2023-11-19 02:36:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 175 transitions. [2023-11-19 02:36:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:06,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:06,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:06,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:36:06,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:36:07,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 178 transitions. [2023-11-19 02:36:07,954 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 178 transitions. [2023-11-19 02:36:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:07,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:07,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:07,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:36:07,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 93 states and 214 transitions. [2023-11-19 02:36:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 214 transitions. [2023-11-19 02:36:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:11,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:11,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:11,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:36:11,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:36:12,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:12,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 217 transitions. [2023-11-19 02:36:12,381 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 217 transitions. [2023-11-19 02:36:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:12,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:12,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:12,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:36:12,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 96 states and 216 transitions. [2023-11-19 02:36:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 216 transitions. [2023-11-19 02:36:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:12,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:12,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:12,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:36:12,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:36:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 99 states and 219 transitions. [2023-11-19 02:36:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 219 transitions. [2023-11-19 02:36:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:14,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:14,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:14,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:36:14,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 99 states and 218 transitions. [2023-11-19 02:36:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 218 transitions. [2023-11-19 02:36:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:36:14,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:14,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:14,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:36:14,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:15,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:15,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 99 states and 217 transitions. [2023-11-19 02:36:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 217 transitions. [2023-11-19 02:36:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:15,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:15,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:15,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:36:15,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:36:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 103 states and 236 transitions. [2023-11-19 02:36:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 236 transitions. [2023-11-19 02:36:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:17,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:17,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:17,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:36:17,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:36:18,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 106 states and 239 transitions. [2023-11-19 02:36:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 239 transitions. [2023-11-19 02:36:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:18,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:18,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:18,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:36:18,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:36:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 243 transitions. [2023-11-19 02:36:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2023-11-19 02:36:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:20,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:20,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:20,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:36:20,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:20,756 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:36:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 111 states and 244 transitions. [2023-11-19 02:36:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 244 transitions. [2023-11-19 02:36:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:21,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:21,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:21,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:36:21,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:36:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 114 states and 247 transitions. [2023-11-19 02:36:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 247 transitions. [2023-11-19 02:36:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:23,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:23,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:23,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:36:23,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 288 transitions. [2023-11-19 02:36:27,481 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 288 transitions. [2023-11-19 02:36:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:27,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:27,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:27,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:36:27,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:36:29,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 125 states and 291 transitions. [2023-11-19 02:36:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 291 transitions. [2023-11-19 02:36:29,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:29,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:29,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:29,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:36:29,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:29,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 125 states and 290 transitions. [2023-11-19 02:36:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 290 transitions. [2023-11-19 02:36:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:29,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:29,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:29,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:36:29,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:30,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:30,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 289 transitions. [2023-11-19 02:36:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 289 transitions. [2023-11-19 02:36:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:30,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:30,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:36:30,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:31,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2023-11-19 02:36:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2023-11-19 02:36:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:36:31,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:31,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:31,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:36:31,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 125 states and 287 transitions. [2023-11-19 02:36:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 287 transitions. [2023-11-19 02:36:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:36:31,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:31,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:36:31,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:36:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 129 states and 309 transitions. [2023-11-19 02:36:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 309 transitions. [2023-11-19 02:36:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:36:34,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:34,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:34,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:36:34,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:34,486 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 02:36:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:36,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 132 states and 312 transitions. [2023-11-19 02:36:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 312 transitions. [2023-11-19 02:36:36,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:36:36,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:36,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:36,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:36:36,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:36,421 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:36:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 135 states and 315 transitions. [2023-11-19 02:36:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 315 transitions. [2023-11-19 02:36:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:36:38,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:38,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:38,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:36:38,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:36:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 138 states and 318 transitions. [2023-11-19 02:36:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 318 transitions. [2023-11-19 02:36:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:36:40,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:40,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:40,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:36:40,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.