./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-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_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/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_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/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_a7ff9b9f-0209-463c-a00c-d709836a654b/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 aeeaf8ddcaaadce0bb307be8d4cdfb2d28179f7ce6737573dce6c1be4b061da1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:05:16,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:05:16,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:05:16,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:05:16,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:05:16,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:05:16,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:05:16,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:05:16,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:05:16,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:05:16,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:05:16,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:05:16,282 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:05:16,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:05:16,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:05:16,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:05:16,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:05:16,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:05:16,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:05:16,285 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:05:16,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:05:16,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:05:16,290 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:05:16,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:05:16,291 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:05:16,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:05:16,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:16,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:05:16,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:05:16,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:05:16,293 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:05:16,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:05:16,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:05:16,294 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_a7ff9b9f-0209-463c-a00c-d709836a654b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeeaf8ddcaaadce0bb307be8d4cdfb2d28179f7ce6737573dce6c1be4b061da1 [2023-11-19 04:05:16,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:05:16,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:05:16,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:05:16,650 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:05:16,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:05:16,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2023-11-19 04:05:19,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:19,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:19,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2023-11-19 04:05:19,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/data/72ff50fc0/8326fc9c6faf41558c45d3a32cd72e8a/FLAGfe8ec8338 [2023-11-19 04:05:19,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/data/72ff50fc0/8326fc9c6faf41558c45d3a32cd72e8a [2023-11-19 04:05:19,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:19,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:19,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:19,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:19,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:19,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da5ccf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:19, skipping insertion in model container [2023-11-19 04:05:19,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:19" (1/1) ... [2023-11-19 04:05:19,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:20,155 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_a7ff9b9f-0209-463c-a00c-d709836a654b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c[520,533] [2023-11-19 04:05:20,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:20,181 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:20,191 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_a7ff9b9f-0209-463c-a00c-d709836a654b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c[520,533] [2023-11-19 04:05:20,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:20,211 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:20,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20 WrapperNode [2023-11-19 04:05:20,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:20,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:20,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:20,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:20,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,243 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-19 04:05:20,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:20,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:20,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:20,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:20,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:20,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:20,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:20,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:20,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:20,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:20,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:20,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ff9b9f-0209-463c-a00c-d709836a654b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:05:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:05:20,449 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:20,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:20,610 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:20,630 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:20,630 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:05:20,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:20 BoogieIcfgContainer [2023-11-19 04:05:20,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:20,636 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:20,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:20,647 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:20,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:20" (1/1) ... [2023-11-19 04:05:20,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-19 04:05:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-19 04:05:20,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:05:20,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:20,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:20,826 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 04:05:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-19 04:05:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 04:05:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:05:20,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:20,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:21,064 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 04:05:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 04:05:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 04:05:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:05:21,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:21,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:21,282 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 04:05:21,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-19 04:05:21,585 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-19 04:05:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:05:21,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:21,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:21,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:21,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 46 transitions. [2023-11-19 04:05:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 04:05:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:05:22,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:22,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:22,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:05:22,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 49 transitions. [2023-11-19 04:05:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-19 04:05:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:05:22,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:22,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:22,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:22,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:05:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 58 transitions. [2023-11-19 04:05:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2023-11-19 04:05:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:05:23,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:23,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:05:23,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:05:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 43 states and 94 transitions. [2023-11-19 04:05:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2023-11-19 04:05:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:05:24,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:24,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:24,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:05:24,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:24,518 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:05:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 96 transitions. [2023-11-19 04:05:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 96 transitions. [2023-11-19 04:05:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:05:24,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:24,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:24,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:24,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:05:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:25,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 48 states and 111 transitions. [2023-11-19 04:05:25,304 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 111 transitions. [2023-11-19 04:05:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:05:25,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:25,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:25,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:05:25,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:05:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 52 states and 123 transitions. [2023-11-19 04:05:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 123 transitions. [2023-11-19 04:05:26,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:05:26,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:26,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:26,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:05:26,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:05:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 51 states and 117 transitions. [2023-11-19 04:05:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 117 transitions. [2023-11-19 04:05:27,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:05:27,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:27,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:27,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:27,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:05:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:27,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 53 states and 127 transitions. [2023-11-19 04:05:27,986 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 127 transitions. [2023-11-19 04:05:27,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:05:27,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:27,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:28,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:05:28,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 04:05:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 54 states and 133 transitions. [2023-11-19 04:05:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 133 transitions. [2023-11-19 04:05:28,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:05:28,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:28,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:28,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:05:28,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:28,830 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:05:29,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 57 states and 147 transitions. [2023-11-19 04:05:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 147 transitions. [2023-11-19 04:05:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:05:29,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:29,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:29,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:05:29,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:05:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:29,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 59 states and 149 transitions. [2023-11-19 04:05:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 149 transitions. [2023-11-19 04:05:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:05:29,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:29,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:30,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:30,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:05:31,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 65 states and 169 transitions. [2023-11-19 04:05:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 169 transitions. [2023-11-19 04:05:31,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:05:31,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:31,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:31,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:05:31,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:05:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 171 transitions. [2023-11-19 04:05:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2023-11-19 04:05:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:05:31,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:31,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:31,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:31,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:32,017 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:05:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 71 states and 212 transitions. [2023-11-19 04:05:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 212 transitions. [2023-11-19 04:05:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:05:32,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:32,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:32,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:05:32,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-19 04:05:33,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 74 states and 227 transitions. [2023-11-19 04:05:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 227 transitions. [2023-11-19 04:05:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:05:33,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:33,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:33,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:05:33,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 04:05:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 78 states and 244 transitions. [2023-11-19 04:05:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 244 transitions. [2023-11-19 04:05:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:05:35,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:35,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:35,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:05:35,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 04:05:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 80 states and 245 transitions. [2023-11-19 04:05:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 245 transitions. [2023-11-19 04:05:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:05:36,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:36,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:36,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:05:36,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:36,761 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 04:05:37,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:37,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 82 states and 246 transitions. [2023-11-19 04:05:37,361 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 246 transitions. [2023-11-19 04:05:37,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:05:37,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:37,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:37,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:05:37,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-19 04:05:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 84 states and 257 transitions. [2023-11-19 04:05:40,008 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 257 transitions. [2023-11-19 04:05:40,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:05:40,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:40,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:40,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:05:40,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:40,213 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:05:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:40,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 85 states and 266 transitions. [2023-11-19 04:05:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 266 transitions. [2023-11-19 04:05:40,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:05:40,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:40,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:40,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:05:40,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 04:05:41,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 88 states and 289 transitions. [2023-11-19 04:05:41,538 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 289 transitions. [2023-11-19 04:05:41,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:05:41,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:41,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:41,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:05:41,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:41,843 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:05:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:44,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 98 states and 375 transitions. [2023-11-19 04:05:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 375 transitions. [2023-11-19 04:05:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:05:44,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:44,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:44,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:05:44,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:44,481 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 04:05:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 100 states and 377 transitions. [2023-11-19 04:05:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 377 transitions. [2023-11-19 04:05:45,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:05:45,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:45,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:45,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:05:45,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:05:45,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 100 states and 376 transitions. [2023-11-19 04:05:45,788 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 376 transitions. [2023-11-19 04:05:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:05:45,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:45,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:45,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:05:45,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 04:05:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:46,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 102 states and 378 transitions. [2023-11-19 04:05:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 378 transitions. [2023-11-19 04:05:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:05:46,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:46,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:46,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:05:46,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:46,848 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:05:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 102 states and 377 transitions. [2023-11-19 04:05:47,337 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 377 transitions. [2023-11-19 04:05:47,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:05:47,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:47,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:47,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:05:47,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 04:05:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 104 states and 379 transitions. [2023-11-19 04:05:48,230 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 379 transitions. [2023-11-19 04:05:48,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:05:48,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:48,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:48,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:05:48,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-19 04:05:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 106 states and 390 transitions. [2023-11-19 04:05:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 390 transitions. [2023-11-19 04:05:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:05:48,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:48,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:48,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:05:48,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:05:51,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:51,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 110 states and 412 transitions. [2023-11-19 04:05:51,575 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 412 transitions. [2023-11-19 04:05:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:05:51,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:51,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:51,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:05:51,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:05:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 112 states and 413 transitions. [2023-11-19 04:05:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 413 transitions. [2023-11-19 04:05:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:05:53,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:53,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:53,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:05:53,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:05:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 114 states and 414 transitions. [2023-11-19 04:05:54,910 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 414 transitions. [2023-11-19 04:05:54,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:05:54,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:54,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:54,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:05:54,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:05:56,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:56,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 116 states and 415 transitions. [2023-11-19 04:05:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 415 transitions. [2023-11-19 04:05:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:05:56,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:56,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:56,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:05:56,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 04:05:57,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 117 states and 427 transitions. [2023-11-19 04:05:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 427 transitions. [2023-11-19 04:05:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 04:05:57,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:57,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:57,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:05:57,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 04:05:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 120 states and 457 transitions. [2023-11-19 04:05:58,960 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 457 transitions. [2023-11-19 04:05:58,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:05:58,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:58,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:59,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:05:59,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 04:06:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 122 states and 459 transitions. [2023-11-19 04:06:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 459 transitions. [2023-11-19 04:06:00,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:06:00,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:00,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:00,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 04:06:00,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:00,526 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 04:06:01,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:01,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 124 states and 461 transitions. [2023-11-19 04:06:01,499 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 461 transitions. [2023-11-19 04:06:01,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:06:01,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:01,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:01,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:06:01,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 04:06:02,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 126 states and 463 transitions. [2023-11-19 04:06:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 463 transitions. [2023-11-19 04:06:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:06:02,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:02,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:02,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:02,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:03,114 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 04:06:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 132 states and 491 transitions. [2023-11-19 04:06:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 491 transitions. [2023-11-19 04:06:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:06:05,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:05,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:05,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:06:05,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 04:06:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 134 states and 493 transitions. [2023-11-19 04:06:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 493 transitions. [2023-11-19 04:06:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:06:06,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:06,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:06,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:06,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 04:06:08,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:08,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 138 states and 568 transitions. [2023-11-19 04:06:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 568 transitions. [2023-11-19 04:06:08,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:06:08,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:08,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:08,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:08,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 04:06:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 138 states and 567 transitions. [2023-11-19 04:06:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 567 transitions. [2023-11-19 04:06:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:06:09,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:09,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:09,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:09,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:09,254 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 04:06:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 138 states and 566 transitions. [2023-11-19 04:06:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 566 transitions. [2023-11-19 04:06:09,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 04:06:09,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:09,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:09,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:09,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:09,908 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-19 04:06:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:10,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 140 states and 579 transitions. [2023-11-19 04:06:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 579 transitions. [2023-11-19 04:06:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 04:06:10,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:10,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:06:10,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:12,623 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 25 proven. 89 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked.