./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:55,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:55,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:03:55,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:55,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:55,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:55,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:55,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:55,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:55,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:55,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:55,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:55,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:55,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:55,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:55,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:55,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:55,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:55,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:55,912 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:03:55,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:55,924 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:55,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:55,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:55,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:55,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:55,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:55,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:55,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:55,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:55,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:55,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:55,933 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:55,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:55,933 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:55,934 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_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 [2023-11-24 23:03:56,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:56,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:56,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:56,321 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:56,322 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:56,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2023-11-24 23:03:59,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:59,798 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:59,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2023-11-24 23:03:59,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/data/f408c4813/b108b30c8fa54ca89abf5a48c2b05e31/FLAG82be92bcb [2023-11-24 23:03:59,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/data/f408c4813/b108b30c8fa54ca89abf5a48c2b05e31 [2023-11-24 23:03:59,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:59,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:59,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:59,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:59,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:59,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:59" (1/1) ... [2023-11-24 23:03:59,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ed6f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:59, skipping insertion in model container [2023-11-24 23:03:59,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:59" (1/1) ... [2023-11-24 23:03:59,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:00,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:00,137 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:00,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:00,172 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:00,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00 WrapperNode [2023-11-24 23:04:00,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:00,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:00,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:00,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:00,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,214 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-24 23:04:00,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:00,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:00,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:00,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:00,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:00,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:00,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:00,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:00,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:00,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:00,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:00,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd41bae3-eb23-4eeb-924e-75866d1ce8e0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:00,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:00,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:04:00,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:04:00,400 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:00,403 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:00,779 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:00,838 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:00,843 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:04:00,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:00 BoogieIcfgContainer [2023-11-24 23:04:00,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:00,847 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:00,848 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:00,858 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:00,859 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:00" (1/1) ... [2023-11-24 23:04:00,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:00,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-24 23:04:00,930 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-24 23:04:00,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:04:00,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:00,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:01,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-24 23:04:01,181 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-24 23:04:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:04:01,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:01,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2023-11-24 23:04:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2023-11-24 23:04:01,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:04:01,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:01,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 74 states and 88 transitions. [2023-11-24 23:04:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2023-11-24 23:04:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:04:01,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:01,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 78 states and 96 transitions. [2023-11-24 23:04:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2023-11-24 23:04:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:04:01,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:01,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:02,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 108 transitions. [2023-11-24 23:04:02,467 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2023-11-24 23:04:02,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:04:02,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:02,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:02,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:02,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:03,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 88 states and 118 transitions. [2023-11-24 23:04:03,079 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2023-11-24 23:04:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:04:03,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:03,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:03,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:03,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:03,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 94 states and 133 transitions. [2023-11-24 23:04:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2023-11-24 23:04:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:04:03,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:03,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:03,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:04:03,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 100 states and 145 transitions. [2023-11-24 23:04:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2023-11-24 23:04:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:04:04,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:04,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:04,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:04,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:05,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:05,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 106 states and 159 transitions. [2023-11-24 23:04:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2023-11-24 23:04:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:04:05,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:05,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:05,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:04:05,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 112 states and 172 transitions. [2023-11-24 23:04:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 172 transitions. [2023-11-24 23:04:06,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:04:06,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:06,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:06,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:04:06,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 117 states and 183 transitions. [2023-11-24 23:04:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 183 transitions. [2023-11-24 23:04:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:04:07,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:07,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:04:07,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:04:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 124 states and 198 transitions. [2023-11-24 23:04:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 198 transitions. [2023-11-24 23:04:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:04:08,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:08,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:08,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:04:08,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:04:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 132 states and 214 transitions. [2023-11-24 23:04:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2023-11-24 23:04:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:04:09,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:09,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:09,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:09,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:04:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:11,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 140 states and 228 transitions. [2023-11-24 23:04:11,282 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 228 transitions. [2023-11-24 23:04:11,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:04:11,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:11,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:11,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:04:11,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:04:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 149 states and 246 transitions. [2023-11-24 23:04:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 246 transitions. [2023-11-24 23:04:12,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:04:12,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:12,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:12,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:12,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:04:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 158 states and 260 transitions. [2023-11-24 23:04:14,122 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 260 transitions. [2023-11-24 23:04:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:04:14,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:14,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:14,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:14,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:04:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 168 states and 276 transitions. [2023-11-24 23:04:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 276 transitions. [2023-11-24 23:04:16,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:04:16,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:16,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:04:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 169 states and 277 transitions. [2023-11-24 23:04:16,200 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 277 transitions. [2023-11-24 23:04:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:04:16,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:16,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:04:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 178 states and 290 transitions. [2023-11-24 23:04:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 290 transitions. [2023-11-24 23:04:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:04:18,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:18,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:18,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:04:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:18,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 186 states and 300 transitions. [2023-11-24 23:04:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 300 transitions. [2023-11-24 23:04:18,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:04:18,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:18,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:18,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:04:18,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:04:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 200 states and 321 transitions. [2023-11-24 23:04:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 321 transitions. [2023-11-24 23:04:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:04:21,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:21,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:21,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:21,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-24 23:04:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 209 states and 332 transitions. [2023-11-24 23:04:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 332 transitions. [2023-11-24 23:04:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:04:22,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:22,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:22,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:04:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 220 states and 361 transitions. [2023-11-24 23:04:23,221 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2023-11-24 23:04:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:04:23,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:23,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:23,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:23,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:23,354 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-24 23:04:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:24,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 231 states and 377 transitions. [2023-11-24 23:04:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 377 transitions. [2023-11-24 23:04:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:04:24,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:24,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:24,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:24,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:04:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 235 states and 386 transitions. [2023-11-24 23:04:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 386 transitions. [2023-11-24 23:04:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:04:24,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:24,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:24,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:04:24,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:25,403 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:04:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 237 states and 389 transitions. [2023-11-24 23:04:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 389 transitions. [2023-11-24 23:04:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:04:27,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:27,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:27,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:27,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:04:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 243 states and 403 transitions. [2023-11-24 23:04:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 403 transitions. [2023-11-24 23:04:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:04:28,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:28,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:28,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:04:28,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-24 23:04:31,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 248 states and 420 transitions. [2023-11-24 23:04:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 420 transitions. [2023-11-24 23:04:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:04:31,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:31,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:31,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:04:31,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-24 23:04:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:35,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 253 states and 431 transitions. [2023-11-24 23:04:35,314 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 431 transitions. [2023-11-24 23:04:35,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:04:35,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:35,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:35,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:04:35,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-24 23:04:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 258 states and 442 transitions. [2023-11-24 23:04:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 442 transitions. [2023-11-24 23:04:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:04:40,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:40,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:04:40,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 23:04:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 262 states and 448 transitions. [2023-11-24 23:04:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 448 transitions. [2023-11-24 23:04:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:04:42,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:42,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:42,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:04:42,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 23:04:43,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 267 states and 464 transitions. [2023-11-24 23:04:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 464 transitions. [2023-11-24 23:04:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:04:43,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:43,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:43,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:04:43,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 23:04:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 271 states and 469 transitions. [2023-11-24 23:04:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 469 transitions. [2023-11-24 23:04:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:04:43,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:43,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:44,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:44,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 23:04:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 282 states and 492 transitions. [2023-11-24 23:04:48,031 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 492 transitions. [2023-11-24 23:04:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:04:48,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:48,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:48,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:48,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 23:04:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 292 states and 515 transitions. [2023-11-24 23:04:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 515 transitions. [2023-11-24 23:04:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:04:51,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:51,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:51,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:04:51,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 23:04:52,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 297 states and 523 transitions. [2023-11-24 23:04:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 523 transitions. [2023-11-24 23:04:52,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:04:52,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:52,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:52,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:04:52,611 INFO L285 TraceCheckSpWp]: Computing forward predicates...