./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/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_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:07,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:08,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:27:08,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:27:08,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:27:08,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:08,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:08,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:08,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:08,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:08,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:08,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:08,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:08,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:08,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:08,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:08,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:08,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:08,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:08,127 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:08,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:08,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:08,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:08,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:08,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:08,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:08,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:08,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:08,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:08,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:08,134 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:27:08,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:27:08,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:08,135 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_3dddc42a-1f24-4e7a-910c-774a13f1daf8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa [2023-11-19 03:27:08,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:08,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:08,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:08,444 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:08,445 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:08,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2023-11-19 03:27:11,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:11,903 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:11,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2023-11-19 03:27:11,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/data/15dc751fa/e30692559b2f4ba994fe6895f527013a/FLAG7c98ffc2f [2023-11-19 03:27:11,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/data/15dc751fa/e30692559b2f4ba994fe6895f527013a [2023-11-19 03:27:11,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:11,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:11,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:11,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:11,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:11,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:11" (1/1) ... [2023-11-19 03:27:11,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4baed4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:11, skipping insertion in model container [2023-11-19 03:27:11,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:11" (1/1) ... [2023-11-19 03:27:11,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:12,126 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c[573,586] [2023-11-19 03:27:12,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:12,153 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:12,164 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c[573,586] [2023-11-19 03:27:12,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:12,185 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:12,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12 WrapperNode [2023-11-19 03:27:12,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:12,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:12,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:12,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:12,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,221 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-19 03:27:12,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:12,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:12,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:12,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:12,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:12,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:12,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:12,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:12,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:12,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:12,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:12,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dddc42a-1f24-4e7a-910c-774a13f1daf8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:27:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:27:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:27:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:27:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:27:12,405 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:12,407 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:12,563 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:12,617 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:12,618 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:27:12,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:12 BoogieIcfgContainer [2023-11-19 03:27:12,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:12,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:12,625 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:12,635 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:12,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:12" (1/1) ... [2023-11-19 03:27:12,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:27:12,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:12,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-19 03:27:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 03:27:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:27:12,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:12,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:12,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:27:12,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:12,933 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 03:27:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-19 03:27:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-19 03:27:12,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:27:12,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:12,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:13,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:27:13,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:13,164 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 03:27:13,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-19 03:27:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-19 03:27:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:27:13,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:13,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:13,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:27:13,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:13,581 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 03:27:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2023-11-19 03:27:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-19 03:27:13,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:27:13,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:13,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:13,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:27:13,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-19 03:27:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-19 03:27:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:27:14,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:14,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:14,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:27:14,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2023-11-19 03:27:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-11-19 03:27:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:27:15,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:15,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:15,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:27:15,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:16,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:16,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2023-11-19 03:27:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2023-11-19 03:27:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:27:16,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:16,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:16,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:27:16,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2023-11-19 03:27:17,052 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-19 03:27:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:27:17,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:17,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:17,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:27:17,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:27:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2023-11-19 03:27:18,366 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2023-11-19 03:27:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:27:18,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:18,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:18,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:27:18,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:27:20,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:20,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 96 transitions. [2023-11-19 03:27:20,707 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2023-11-19 03:27:20,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:27:20,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:20,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:20,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:27:20,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:22,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 112 transitions. [2023-11-19 03:27:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 112 transitions. [2023-11-19 03:27:22,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:27:22,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:22,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:22,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:27:22,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:27:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2023-11-19 03:27:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2023-11-19 03:27:23,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:27:23,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:23,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:27:23,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:27:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2023-11-19 03:27:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2023-11-19 03:27:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:27:25,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:25,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:25,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:27:25,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:26,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2023-11-19 03:27:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2023-11-19 03:27:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:27:26,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:26,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:26,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:27:26,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:27:30,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 146 transitions. [2023-11-19 03:27:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 146 transitions. [2023-11-19 03:27:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:27:30,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:30,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:30,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:27:30,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 69 states and 166 transitions. [2023-11-19 03:27:32,554 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 166 transitions. [2023-11-19 03:27:32,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:27:32,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:32,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:32,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:27:32,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:27:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 71 states and 168 transitions. [2023-11-19 03:27:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 168 transitions. [2023-11-19 03:27:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:27:34,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:34,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:34,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:27:34,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:27:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 73 states and 170 transitions. [2023-11-19 03:27:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 170 transitions. [2023-11-19 03:27:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:27:37,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:37,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:37,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:27:37,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:27:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 75 states and 172 transitions. [2023-11-19 03:27:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 172 transitions. [2023-11-19 03:27:39,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:27:39,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:39,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:40,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:27:40,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:41,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 79 states and 187 transitions. [2023-11-19 03:27:41,839 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 187 transitions. [2023-11-19 03:27:41,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:27:41,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:41,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:41,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:27:41,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 79 states and 186 transitions. [2023-11-19 03:27:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 186 transitions. [2023-11-19 03:27:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:27:42,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:42,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:42,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:27:42,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:46,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 83 states and 209 transitions. [2023-11-19 03:27:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 209 transitions. [2023-11-19 03:27:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:27:46,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:46,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:46,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:27:46,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:27:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 87 states and 232 transitions. [2023-11-19 03:27:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 232 transitions. [2023-11-19 03:27:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:27:51,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:51,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:51,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:27:51,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:27:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 91 states and 247 transitions. [2023-11-19 03:27:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 247 transitions. [2023-11-19 03:27:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:27:54,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:54,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:54,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:27:54,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:27:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 93 states and 249 transitions. [2023-11-19 03:27:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 249 transitions. [2023-11-19 03:27:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:27:57,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:57,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:58,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:27:58,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:28:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 97 states and 253 transitions. [2023-11-19 03:28:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 253 transitions. [2023-11-19 03:28:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:28:03,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:03,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:03,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:28:03,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.