./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/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_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9a59972454f7ae078581bb1592875955e31a3bd05f52cbebd7b164f55fa53bc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:03,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:03,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:09:03,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:03,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:03,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:03,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:03,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:03,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:03,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:03,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:03,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:03,510 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:03,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:03,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:03,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:03,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:03,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:03,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:03,514 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:09:03,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:09:03,515 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:03,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:03,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:03,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:03,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:03,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:03,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:03,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:03,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:03,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:03,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:03,520 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:03,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:03,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:03,521 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_8530fb16-07af-4d86-a6ab-49d8537175ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9a59972454f7ae078581bb1592875955e31a3bd05f52cbebd7b164f55fa53bc [2023-11-19 04:09:03,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:03,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:03,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:03,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:03,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:03,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c [2023-11-19 04:09:06,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:07,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:07,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c [2023-11-19 04:09:07,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/data/099090ff9/0569974247d7417c9f5ce3e76208a81b/FLAG6324a1518 [2023-11-19 04:09:07,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/data/099090ff9/0569974247d7417c9f5ce3e76208a81b [2023-11-19 04:09:07,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:07,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:07,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:07,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:07,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:07,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43701d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07, skipping insertion in model container [2023-11-19 04:09:07,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:07,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:07,395 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:07,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:07,433 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:07,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07 WrapperNode [2023-11-19 04:09:07,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:07,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:07,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:07,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:07,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,491 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-19 04:09:07,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:07,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:07,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:07,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:07,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:07,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:07,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:07,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:07,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:07" (1/1) ... [2023-11-19 04:09:07,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:07,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:07,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:07,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530fb16-07af-4d86-a6ab-49d8537175ac/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:09:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:09:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:09:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:09:07,741 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:07,743 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:08,004 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:08,035 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:08,035 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:09:08,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:08 BoogieIcfgContainer [2023-11-19 04:09:08,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:08,041 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:08,042 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:08,052 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:08,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:08" (1/1) ... [2023-11-19 04:09:08,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2023-11-19 04:09:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-19 04:09:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:09:08,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:08,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:08,405 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 04:09:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2023-11-19 04:09:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2023-11-19 04:09:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:09:08,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,650 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 04:09:08,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 68 transitions. [2023-11-19 04:09:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2023-11-19 04:09:08,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:09:08,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,807 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 04:09:08,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 69 transitions. [2023-11-19 04:09:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-19 04:09:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:09:08,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:08,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:08,930 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 04:09:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 71 transitions. [2023-11-19 04:09:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2023-11-19 04:09:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:09:09,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:09,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:09,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:09,077 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 04:09:09,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 80 transitions. [2023-11-19 04:09:09,307 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2023-11-19 04:09:09,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:09:09,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:09,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:09,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:09,388 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 04:09:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 70 states and 81 transitions. [2023-11-19 04:09:09,414 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-19 04:09:09,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:09:09,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:09,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:09,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:09,551 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 04:09:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 93 transitions. [2023-11-19 04:09:10,049 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-11-19 04:09:10,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:09:10,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:10,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:10,153 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 04:09:10,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 107 transitions. [2023-11-19 04:09:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2023-11-19 04:09:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:10,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:09:10,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:11,128 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 04:09:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 121 transitions. [2023-11-19 04:09:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2023-11-19 04:09:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:12,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:12,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:12,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:09:12,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:12,540 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 04:09:13,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 131 transitions. [2023-11-19 04:09:13,722 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2023-11-19 04:09:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:13,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:13,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:13,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:13,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:13,839 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 04:09:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 104 states and 137 transitions. [2023-11-19 04:09:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2023-11-19 04:09:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:13,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:13,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:13,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:13,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:13,972 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 04:09:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 108 states and 145 transitions. [2023-11-19 04:09:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2023-11-19 04:09:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:09:14,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:14,336 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 04:09:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 153 transitions. [2023-11-19 04:09:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2023-11-19 04:09:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:09:14,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:14,719 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 04:09:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 116 states and 162 transitions. [2023-11-19 04:09:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2023-11-19 04:09:14,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:09:14,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:15,044 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 04:09:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 166 transitions. [2023-11-19 04:09:15,519 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2023-11-19 04:09:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:09:15,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:15,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:15,616 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 04:09:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 123 states and 171 transitions. [2023-11-19 04:09:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2023-11-19 04:09:16,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:09:16,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:16,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:16,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:16,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:16,320 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 04:09:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 122 states and 170 transitions. [2023-11-19 04:09:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 170 transitions. [2023-11-19 04:09:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:09:16,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:16,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:16,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:16,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:16,633 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 04:09:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 128 states and 184 transitions. [2023-11-19 04:09:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2023-11-19 04:09:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:09:17,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:17,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:17,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:17,632 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 04:09:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:18,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 186 transitions. [2023-11-19 04:09:18,114 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2023-11-19 04:09:18,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:09:18,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:18,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:18,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:18,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:18,221 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 04:09:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 137 states and 198 transitions. [2023-11-19 04:09:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2023-11-19 04:09:19,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:09:19,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:19,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:19,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:09:22,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:22,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 155 states and 226 transitions. [2023-11-19 04:09:22,364 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2023-11-19 04:09:22,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:09:22,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:22,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:22,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:22,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:09:22,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 158 states and 231 transitions. [2023-11-19 04:09:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 231 transitions. [2023-11-19 04:09:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:09:22,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:22,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:23,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:23,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:23,120 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 04:09:24,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:24,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 164 states and 246 transitions. [2023-11-19 04:09:24,656 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2023-11-19 04:09:24,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:09:24,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:24,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:24,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:24,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:24,728 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 04:09:25,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:25,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 168 states and 256 transitions. [2023-11-19 04:09:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2023-11-19 04:09:25,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:25,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:25,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:25,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:25,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:25,456 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 04:09:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 188 states and 303 transitions. [2023-11-19 04:09:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 303 transitions. [2023-11-19 04:09:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:28,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:28,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:28,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:28,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:28,402 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 04:09:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:30,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 194 states and 316 transitions. [2023-11-19 04:09:30,040 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 316 transitions. [2023-11-19 04:09:30,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:09:30,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:30,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:30,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:30,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 214 states and 363 transitions. [2023-11-19 04:09:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 363 transitions. [2023-11-19 04:09:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:09:33,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:33,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:33,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:33,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 231 states and 404 transitions. [2023-11-19 04:09:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 404 transitions. [2023-11-19 04:09:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:36,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:36,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:36,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:36,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:36,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 239 states and 423 transitions. [2023-11-19 04:09:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 423 transitions. [2023-11-19 04:09:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:39,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:39,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:39,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:39,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 241 states and 425 transitions. [2023-11-19 04:09:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 425 transitions. [2023-11-19 04:09:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:40,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:40,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:40,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 245 states and 431 transitions. [2023-11-19 04:09:41,430 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 431 transitions. [2023-11-19 04:09:41,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:41,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:41,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:41,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:09:41,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 264 states and 464 transitions. [2023-11-19 04:09:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 464 transitions. [2023-11-19 04:09:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:47,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:47,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:47,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:09:47,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 267 states and 470 transitions. [2023-11-19 04:09:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 470 transitions. [2023-11-19 04:09:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:48,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:48,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:48,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:09:48,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 269 states and 475 transitions. [2023-11-19 04:09:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 475 transitions. [2023-11-19 04:09:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:49,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:49,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:49,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:49,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 279 states and 499 transitions. [2023-11-19 04:09:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 499 transitions. [2023-11-19 04:09:55,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:55,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:55,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:55,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:55,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:56,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 280 states and 500 transitions. [2023-11-19 04:09:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 500 transitions. [2023-11-19 04:09:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:56,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:56,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:56,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:09:56,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 284 states and 510 transitions. [2023-11-19 04:09:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 510 transitions. [2023-11-19 04:09:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:59,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:59,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:59,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:09:59,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:10:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:00,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 287 states and 516 transitions. [2023-11-19 04:10:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 516 transitions. [2023-11-19 04:10:00,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:10:00,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:00,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:00,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:10:00,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.