./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/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_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL --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 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:42,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:42,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:28:42,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:42,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:42,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:42,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:42,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:42,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:42,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:42,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:42,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:42,185 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:42,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:42,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:42,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:42,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:42,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:42,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:42,189 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:28:42,190 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:28:42,190 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:42,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:42,193 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:42,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:42,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:42,194 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:42,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:42,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:42,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:42,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:42,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:42,198 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:42,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:42,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:42,198 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_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 [2023-11-19 03:28:42,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:42,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:42,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:42,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:42,500 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:42,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2023-11-19 03:28:45,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:45,868 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:45,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2023-11-19 03:28:45,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/data/a2dfe53f0/04bb958f9dd44a1db275b78810097952/FLAG23aaadbc1 [2023-11-19 03:28:45,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/data/a2dfe53f0/04bb958f9dd44a1db275b78810097952 [2023-11-19 03:28:45,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:45,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:45,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:45,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:45,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:45,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb41ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45, skipping insertion in model container [2023-11-19 03:28:45,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,941 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:46,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:46,129 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:46,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:46,170 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:46,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46 WrapperNode [2023-11-19 03:28:46,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:46,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:46,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:46,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:46,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,213 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-19 03:28:46,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:46,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:46,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:46,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:46,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:46,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:46,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:46,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:46,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:46,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:46,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:46,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa6ebe38-49a3-4ecf-8fab-48cbf14cf95d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:46,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:28:46,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:28:46,443 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:46,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:46,835 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:46,885 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:46,886 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:28:46,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:46 BoogieIcfgContainer [2023-11-19 03:28:46,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:46,897 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:46,898 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:46,909 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:46,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:46" (1/1) ... [2023-11-19 03:28:46,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-11-19 03:28:47,001 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-19 03:28:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:28:47,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,267 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 03:28:47,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2023-11-19 03:28:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-11-19 03:28:47,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:28:47,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,383 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 03:28:47,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 91 states and 103 transitions. [2023-11-19 03:28:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2023-11-19 03:28:47,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:28:47,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:47,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:47,577 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 03:28:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 92 states and 104 transitions. [2023-11-19 03:28:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2023-11-19 03:28:47,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:28:47,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:47,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:47,685 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 03:28:47,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 97 states and 112 transitions. [2023-11-19 03:28:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2023-11-19 03:28:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:28:47,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:47,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:47,973 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 03:28:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 98 states and 113 transitions. [2023-11-19 03:28:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2023-11-19 03:28:47,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:28:47,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:48,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:48,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:48,049 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 03:28:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 106 states and 126 transitions. [2023-11-19 03:28:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 126 transitions. [2023-11-19 03:28:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:28:48,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:48,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:48,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:28:48,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:48,558 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 03:28:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 107 states and 127 transitions. [2023-11-19 03:28:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions. [2023-11-19 03:28:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:28:48,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:48,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:48,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:28:48,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:48,750 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 03:28:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:49,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 117 states and 142 transitions. [2023-11-19 03:28:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 142 transitions. [2023-11-19 03:28:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:28:49,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:49,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:49,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:28:49,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:49,618 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 03:28:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:50,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 128 states and 159 transitions. [2023-11-19 03:28:50,530 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 159 transitions. [2023-11-19 03:28:50,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:28:50,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:50,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:50,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:28:50,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 131 states and 165 transitions. [2023-11-19 03:28:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 165 transitions. [2023-11-19 03:28:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:28:50,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:50,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:50,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:28:50,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 135 states and 172 transitions. [2023-11-19 03:28:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 172 transitions. [2023-11-19 03:28:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:28:50,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:51,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:28:51,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 135 states and 171 transitions. [2023-11-19 03:28:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2023-11-19 03:28:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:28:51,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:51,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:51,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:28:51,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 150 states and 215 transitions. [2023-11-19 03:28:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 215 transitions. [2023-11-19 03:28:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:28:52,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:52,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:52,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:28:52,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 155 states and 224 transitions. [2023-11-19 03:28:53,254 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 224 transitions. [2023-11-19 03:28:53,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:28:53,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:53,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:53,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:28:53,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:54,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 169 states and 270 transitions. [2023-11-19 03:28:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 270 transitions. [2023-11-19 03:28:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:28:54,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:54,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:54,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:28:54,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:55,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 173 states and 276 transitions. [2023-11-19 03:28:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 276 transitions. [2023-11-19 03:28:55,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:28:55,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:55,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:55,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:28:56,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:56,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 174 states and 277 transitions. [2023-11-19 03:28:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 277 transitions. [2023-11-19 03:28:56,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:28:56,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:56,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:56,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:28:56,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 192 states and 308 transitions. [2023-11-19 03:28:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 308 transitions. [2023-11-19 03:28:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:28:58,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:58,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:58,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:28:58,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 200 states and 326 transitions. [2023-11-19 03:29:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 326 transitions. [2023-11-19 03:29:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:29:00,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:00,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:00,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:00,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:02,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 208 states and 343 transitions. [2023-11-19 03:29:02,141 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 343 transitions. [2023-11-19 03:29:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:29:02,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:02,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:02,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:02,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 217 states and 361 transitions. [2023-11-19 03:29:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 361 transitions. [2023-11-19 03:29:04,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:29:04,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:04,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:04,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:04,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 227 states and 380 transitions. [2023-11-19 03:29:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2023-11-19 03:29:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:29:06,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:06,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:06,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:06,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:08,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:08,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 238 states and 400 transitions. [2023-11-19 03:29:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 400 transitions. [2023-11-19 03:29:08,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:29:08,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:08,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:08,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:08,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:12,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 252 states and 434 transitions. [2023-11-19 03:29:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 434 transitions. [2023-11-19 03:29:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:29:12,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:12,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:12,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:29:12,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 267 states and 469 transitions. [2023-11-19 03:29:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 469 transitions. [2023-11-19 03:29:16,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:29:16,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:16,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:16,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:29:16,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:20,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 279 states and 500 transitions. [2023-11-19 03:29:20,452 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 500 transitions. [2023-11-19 03:29:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:29:20,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:20,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:20,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:20,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 296 states and 541 transitions. [2023-11-19 03:29:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 541 transitions. [2023-11-19 03:29:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:29:25,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:25,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:25,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:29:25,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 314 states and 580 transitions. [2023-11-19 03:29:31,519 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 580 transitions. [2023-11-19 03:29:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:29:31,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:31,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:31,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:29:31,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:31,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:32,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 316 states and 586 transitions. [2023-11-19 03:29:32,778 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 586 transitions. [2023-11-19 03:29:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:29:32,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:32,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:32,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:29:32,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:29:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:35,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 329 states and 617 transitions. [2023-11-19 03:29:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 617 transitions. [2023-11-19 03:29:35,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:29:35,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:35,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:35,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:29:35,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.