./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/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_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/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_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/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 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:41,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:42,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:56:42,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:42,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:42,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:42,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:42,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:42,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:42,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:42,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:42,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:42,139 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:42,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:42,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:42,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:42,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:42,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:42,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:42,143 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:42,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:42,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:42,144 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:42,145 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:42,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:42,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:42,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:42,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:42,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:42,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:42,149 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:42,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:42,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:42,149 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_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 [2023-11-19 03:56:42,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:42,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:42,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:42,487 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:42,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:42,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2023-11-19 03:56:45,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:45,791 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:45,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2023-11-19 03:56:45,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/data/72ec9d170/a797edddf95d4a549ef4fcf5ad1e9b65/FLAGf5d3f4567 [2023-11-19 03:56:45,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/data/72ec9d170/a797edddf95d4a549ef4fcf5ad1e9b65 [2023-11-19 03:56:45,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:45,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:45,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:45,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:45,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:45,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:45" (1/1) ... [2023-11-19 03:56:45,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713a03d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:45, skipping insertion in model container [2023-11-19 03:56:45,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:45" (1/1) ... [2023-11-19 03:56:45,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:45,990 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_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2023-11-19 03:56:46,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:46,016 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:46,029 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_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2023-11-19 03:56:46,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:46,055 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:46,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46 WrapperNode [2023-11-19 03:56:46,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:46,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:46,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:46,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:46,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,091 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-19 03:56:46,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:46,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:46,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:46,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:46,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:46,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:46,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:46,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:46,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:46,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:46,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:46,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03fcfd2a-b91b-4a66-ba70-f0b26cc59144/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:46,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:56:46,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:56:46,260 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:46,263 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:46,392 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:46,411 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:46,412 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:56:46,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:46 BoogieIcfgContainer [2023-11-19 03:56:46,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:46,417 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:46,418 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:46,436 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:46,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:46" (1/1) ... [2023-11-19 03:56:46,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:56:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:56:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:56:46,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:46,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:46,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:46,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:46,769 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 03:56:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 03:56:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 03:56:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:56:46,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:46,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:46,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:56:46,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:46,954 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 03:56:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:56:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:56:46,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:56:46,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:46,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:47,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:56:47,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:47,135 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 03:56:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 03:56:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 03:56:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:56:47,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:47,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:47,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:56:47,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-19 03:56:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-19 03:56:47,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:56:47,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:47,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:47,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:56:47,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2023-11-19 03:56:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2023-11-19 03:56:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:56:48,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:48,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:48,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:56:48,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2023-11-19 03:56:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2023-11-19 03:56:49,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:56:49,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:49,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:49,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:56:49,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2023-11-19 03:56:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2023-11-19 03:56:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:56:49,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:49,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:49,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:56:49,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:56:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 40 states and 84 transitions. [2023-11-19 03:56:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 84 transitions. [2023-11-19 03:56:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:56:49,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:49,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:49,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:56:49,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:56:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 120 transitions. [2023-11-19 03:56:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 120 transitions. [2023-11-19 03:56:52,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:56:52,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:56:52,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:56:52,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 53 states and 122 transitions. [2023-11-19 03:56:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2023-11-19 03:56:52,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:56:52,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:56:52,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 57 states and 139 transitions. [2023-11-19 03:56:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 139 transitions. [2023-11-19 03:56:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:56:54,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:54,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:54,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:56:54,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:56:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 63 states and 158 transitions. [2023-11-19 03:56:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 158 transitions. [2023-11-19 03:56:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:56:55,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:55,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:55,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:56:55,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:56:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:56,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 65 states and 160 transitions. [2023-11-19 03:56:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 160 transitions. [2023-11-19 03:56:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:56:56,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:56,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:56,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:56:56,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 69 states and 183 transitions. [2023-11-19 03:56:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 183 transitions. [2023-11-19 03:56:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:56:57,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:57,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:57,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:56:57,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:57,816 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:56:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 71 states and 185 transitions. [2023-11-19 03:56:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 185 transitions. [2023-11-19 03:56:58,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:56:58,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:56:58,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:56:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:59,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 73 states and 199 transitions. [2023-11-19 03:56:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 199 transitions. [2023-11-19 03:56:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:56:59,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:59,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:56:59,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:57:02,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 82 states and 241 transitions. [2023-11-19 03:57:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 241 transitions. [2023-11-19 03:57:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:57:02,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:57:02,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:02,888 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:57:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 86 states and 244 transitions. [2023-11-19 03:57:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 244 transitions. [2023-11-19 03:57:04,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:57:04,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:04,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:57:04,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:57:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 88 states and 246 transitions. [2023-11-19 03:57:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 246 transitions. [2023-11-19 03:57:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:05,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:57:05,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:57:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 92 states and 263 transitions. [2023-11-19 03:57:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 263 transitions. [2023-11-19 03:57:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:06,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:06,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:06,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:57:06,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:57:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 94 states and 265 transitions. [2023-11-19 03:57:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 265 transitions. [2023-11-19 03:57:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:07,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:07,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:57:07,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:09,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 98 states and 289 transitions. [2023-11-19 03:57:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 289 transitions. [2023-11-19 03:57:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:09,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:09,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:09,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:57:09,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:57:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 100 states and 291 transitions. [2023-11-19 03:57:10,451 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 291 transitions. [2023-11-19 03:57:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:10,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:10,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:10,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:57:10,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:10,564 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:57:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 102 states and 293 transitions. [2023-11-19 03:57:11,520 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 293 transitions. [2023-11-19 03:57:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:11,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:11,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:11,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:57:11,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 106 states and 326 transitions. [2023-11-19 03:57:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 326 transitions. [2023-11-19 03:57:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:13,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:13,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:13,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:57:13,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 106 states and 325 transitions. [2023-11-19 03:57:13,867 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 325 transitions. [2023-11-19 03:57:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:57:13,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:13,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:13,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:13,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:57:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:14,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 107 states and 331 transitions. [2023-11-19 03:57:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 331 transitions. [2023-11-19 03:57:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:57:14,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:14,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:14,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:57:14,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:57:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 116 states and 384 transitions. [2023-11-19 03:57:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 384 transitions. [2023-11-19 03:57:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:57:19,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:19,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:19,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:57:19,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:57:21,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 118 states and 386 transitions. [2023-11-19 03:57:21,097 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 386 transitions. [2023-11-19 03:57:21,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:57:21,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:21,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:21,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 03:57:21,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 11 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:57:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 122 states and 389 transitions. [2023-11-19 03:57:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 389 transitions. [2023-11-19 03:57:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:57:23,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:23,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:23,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:57:23,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:57:24,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 124 states and 391 transitions. [2023-11-19 03:57:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 391 transitions. [2023-11-19 03:57:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:57:24,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:24,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:24,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:57:24,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:24,640 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:57:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:25,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 126 states and 392 transitions. [2023-11-19 03:57:25,776 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 392 transitions. [2023-11-19 03:57:25,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:57:25,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:25,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:25,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:57:25,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:57:28,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 130 states and 413 transitions. [2023-11-19 03:57:28,094 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 413 transitions. [2023-11-19 03:57:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:57:28,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:57:28,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:57:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 132 states and 415 transitions. [2023-11-19 03:57:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 415 transitions. [2023-11-19 03:57:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:57:29,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:29,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:29,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:57:29,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:57:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 134 states and 417 transitions. [2023-11-19 03:57:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 417 transitions. [2023-11-19 03:57:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:57:31,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:31,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:31,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:57:31,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:57:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 136 states and 419 transitions. [2023-11-19 03:57:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 419 transitions. [2023-11-19 03:57:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:57:32,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:32,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:32,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:32,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:35,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 140 states and 450 transitions. [2023-11-19 03:57:35,238 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 450 transitions. [2023-11-19 03:57:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:57:35,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:35,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:35,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:57:35,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:57:36,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 142 states and 452 transitions. [2023-11-19 03:57:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 452 transitions. [2023-11-19 03:57:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:57:36,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:36,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:36,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:36,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.