./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.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_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/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_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/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_38572892-3e31-462f-9077-236b0d8c2027/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 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:40,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:40,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:40,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:40,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:40,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:40,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:40,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:40,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:40,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:40,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:40,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:40,833 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:40,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:40,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:40,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:40,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:40,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:40,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:40,838 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:40,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:40,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:40,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:40,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:40,840 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:40,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:40,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:40,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:40,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:40,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:40,845 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:40,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:40,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:40,846 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_38572892-3e31-462f-9077-236b0d8c2027/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 [2023-11-19 04:07:41,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:41,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:41,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:41,191 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:41,192 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:41,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2023-11-19 04:07:44,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:44,797 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:44,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2023-11-19 04:07:44,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/data/5cef1fcaa/862f3e7a9b6148dbb02997736bb60386/FLAG11dd21fed [2023-11-19 04:07:44,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/data/5cef1fcaa/862f3e7a9b6148dbb02997736bb60386 [2023-11-19 04:07:44,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:44,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:44,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:44,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:44,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:44,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:44" (1/1) ... [2023-11-19 04:07:44,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf235bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:44, skipping insertion in model container [2023-11-19 04:07:44,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:44" (1/1) ... [2023-11-19 04:07:44,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:45,099 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_38572892-3e31-462f-9077-236b0d8c2027/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c[526,539] [2023-11-19 04:07:45,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:45,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:45,165 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_38572892-3e31-462f-9077-236b0d8c2027/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c[526,539] [2023-11-19 04:07:45,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:45,190 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:45,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45 WrapperNode [2023-11-19 04:07:45,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:45,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:45,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:45,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:45,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,234 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-11-19 04:07:45,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:45,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:45,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:45,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:45,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:45,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:45,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:45,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:45,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:45,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:45,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38572892-3e31-462f-9077-236b0d8c2027/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:07:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:07:45,469 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:45,472 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:45,720 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:45,802 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:45,806 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:07:45,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:45 BoogieIcfgContainer [2023-11-19 04:07:45,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:45,813 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:45,813 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:45,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:45,827 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:45" (1/1) ... [2023-11-19 04:07:45,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:45,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 04:07:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 04:07:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:07:45,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:45,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:46,353 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 04:07:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2023-11-19 04:07:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-19 04:07:46,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:46,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:46,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:46,723 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 04:07:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:46,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2023-11-19 04:07:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2023-11-19 04:07:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:07:46,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:46,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:46,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:07:46,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:47,081 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 04:07:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2023-11-19 04:07:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2023-11-19 04:07:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:07:47,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:47,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:47,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:07:47,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:47,607 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 04:07:47,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 54 transitions. [2023-11-19 04:07:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-11-19 04:07:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:07:47,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:47,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:47,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:07:47,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:48,110 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 04:07:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 63 transitions. [2023-11-19 04:07:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-11-19 04:07:48,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:07:48,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:48,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:48,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:07:48,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:07:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 71 transitions. [2023-11-19 04:07:48,907 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2023-11-19 04:07:48,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:07:48,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:48,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:48,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:07:48,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:49,054 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 04:07:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 80 transitions. [2023-11-19 04:07:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2023-11-19 04:07:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:07:49,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:49,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:49,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:07:49,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:07:49,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 81 transitions. [2023-11-19 04:07:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2023-11-19 04:07:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:07:49,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:49,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:49,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:07:49,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:07:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 86 transitions. [2023-11-19 04:07:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-11-19 04:07:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:07:49,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:49,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:49,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:07:49,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-19 04:07:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 49 states and 85 transitions. [2023-11-19 04:07:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2023-11-19 04:07:50,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:07:50,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:50,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:50,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:07:50,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 04:07:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:50,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 96 transitions. [2023-11-19 04:07:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2023-11-19 04:07:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:07:50,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:50,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:50,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:07:50,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:07:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 57 states and 104 transitions. [2023-11-19 04:07:51,304 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2023-11-19 04:07:51,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:07:51,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:51,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:51,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:07:51,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:07:51,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 107 transitions. [2023-11-19 04:07:51,703 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2023-11-19 04:07:51,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:07:51,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:51,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:51,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:07:51,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:07:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:52,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 64 states and 124 transitions. [2023-11-19 04:07:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 124 transitions. [2023-11-19 04:07:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:07:52,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:52,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:52,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:07:52,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 17 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 04:07:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 64 states and 124 transitions. [2023-11-19 04:07:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 124 transitions. [2023-11-19 04:07:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:07:54,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:54,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:54,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:07:54,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-19 04:07:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 64 states and 123 transitions. [2023-11-19 04:07:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 123 transitions. [2023-11-19 04:07:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:07:54,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:54,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:07:54,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:07:54,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 68 states and 135 transitions. [2023-11-19 04:07:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 135 transitions. [2023-11-19 04:07:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:07:54,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:54,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:54,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:07:54,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:07:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 141 transitions. [2023-11-19 04:07:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 141 transitions. [2023-11-19 04:07:56,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:07:56,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:56,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:56,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:07:56,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 04:07:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 149 transitions. [2023-11-19 04:07:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 149 transitions. [2023-11-19 04:07:57,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:07:57,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:07:57,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 04:07:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 148 transitions. [2023-11-19 04:07:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 148 transitions. [2023-11-19 04:07:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:07:57,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:58,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:07:58,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 04:07:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 80 states and 165 transitions. [2023-11-19 04:07:59,168 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 165 transitions. [2023-11-19 04:07:59,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:07:59,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:59,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:59,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:07:59,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 04:07:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:59,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 81 states and 166 transitions. [2023-11-19 04:07:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 166 transitions. [2023-11-19 04:07:59,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:07:59,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:59,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:59,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:07:59,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 04:08:00,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 83 states and 170 transitions. [2023-11-19 04:08:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 170 transitions. [2023-11-19 04:08:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:08:00,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:00,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:00,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:00,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-11-19 04:08:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 83 states and 169 transitions. [2023-11-19 04:08:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 169 transitions. [2023-11-19 04:08:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:08:00,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:00,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:00,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:08:00,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 26 proven. 30 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 04:08:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:01,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 87 states and 182 transitions. [2023-11-19 04:08:01,156 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 182 transitions. [2023-11-19 04:08:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 04:08:01,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:01,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:01,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:08:01,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 04:08:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 91 states and 197 transitions. [2023-11-19 04:08:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 197 transitions. [2023-11-19 04:08:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 04:08:02,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:02,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:02,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:08:02,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 04:08:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 95 states and 205 transitions. [2023-11-19 04:08:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 205 transitions. [2023-11-19 04:08:04,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 04:08:04,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:04,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:04,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:08:04,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:04,545 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 27 proven. 65 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 04:08:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 97 states and 209 transitions. [2023-11-19 04:08:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 209 transitions. [2023-11-19 04:08:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 04:08:04,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:04,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:04,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:08:04,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 04:08:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 99 states and 213 transitions. [2023-11-19 04:08:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 213 transitions. [2023-11-19 04:08:05,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 04:08:05,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:05,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:05,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 04:08:05,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 45 proven. 54 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 04:08:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 104 states and 231 transitions. [2023-11-19 04:08:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 231 transitions. [2023-11-19 04:08:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 04:08:07,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:07,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:07,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:08:07,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 28 proven. 32 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 04:08:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 105 states and 232 transitions. [2023-11-19 04:08:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 232 transitions. [2023-11-19 04:08:08,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 04:08:08,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:08,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:08,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:08:08,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 04:08:08,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 107 states and 236 transitions. [2023-11-19 04:08:08,849 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 236 transitions. [2023-11-19 04:08:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 04:08:08,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:08,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:08,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:08,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2023-11-19 04:08:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 107 states and 235 transitions. [2023-11-19 04:08:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 235 transitions. [2023-11-19 04:08:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 04:08:09,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:09,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:09,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 04:08:09,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 64 proven. 71 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-19 04:08:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 120 states and 260 transitions. [2023-11-19 04:08:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 260 transitions. [2023-11-19 04:08:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 04:08:13,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:13,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:13,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:08:13,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 68 proven. 31 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-19 04:08:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 122 states and 263 transitions. [2023-11-19 04:08:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 263 transitions. [2023-11-19 04:08:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 04:08:14,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:08:14,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 32 proven. 50 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 04:08:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:14,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 126 states and 278 transitions. [2023-11-19 04:08:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 278 transitions. [2023-11-19 04:08:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 04:08:14,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:14,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:08:14,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 32 proven. 27 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 04:08:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 126 states and 277 transitions. [2023-11-19 04:08:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 277 transitions. [2023-11-19 04:08:15,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 04:08:15,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:15,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:15,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 04:08:15,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 31 proven. 84 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 04:08:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 129 states and 291 transitions. [2023-11-19 04:08:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 291 transitions. [2023-11-19 04:08:17,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 04:08:17,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 04:08:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 130 states and 293 transitions. [2023-11-19 04:08:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 293 transitions. [2023-11-19 04:08:18,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 04:08:18,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:18,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:18,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2023-11-19 04:08:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 119 states and 262 transitions. [2023-11-19 04:08:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 262 transitions. [2023-11-19 04:08:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:08:21,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:21,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:21,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:08:21,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 34 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:08:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 121 states and 265 transitions. [2023-11-19 04:08:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 265 transitions. [2023-11-19 04:08:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:08:22,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:22,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:22,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:08:22,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 34 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:08:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 123 states and 268 transitions. [2023-11-19 04:08:23,303 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 268 transitions. [2023-11-19 04:08:23,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:08:23,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:23,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:23,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:08:23,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 34 proven. 52 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:08:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 128 states and 286 transitions. [2023-11-19 04:08:25,560 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 286 transitions. [2023-11-19 04:08:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:08:25,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:25,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:25,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:08:25,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:26,037 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 34 proven. 52 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:08:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 129 states and 287 transitions. [2023-11-19 04:08:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 287 transitions. [2023-11-19 04:08:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 04:08:26,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:26,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:26,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:08:26,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 36 proven. 53 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 04:08:27,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 131 states and 290 transitions. [2023-11-19 04:08:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 290 transitions. [2023-11-19 04:08:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 04:08:27,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:27,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:27,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 04:08:27,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 79 proven. 101 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-19 04:08:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 134 states and 305 transitions. [2023-11-19 04:08:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 305 transitions. [2023-11-19 04:08:30,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 04:08:30,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:30,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:30,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 04:08:30,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 97 proven. 83 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked.