./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/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_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/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_e1a90aed-7b02-41cc-9f4e-488f5f063b36/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 7aff0c23635f1e1acd85672a1024d6cb6d0af57cad0028c56f5d301198b4eae6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:32,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:32,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:13:32,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:32,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:32,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:32,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:32,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:32,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:32,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:32,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:32,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:32,535 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:32,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:32,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:32,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:32,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:32,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:32,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:32,539 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:32,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:32,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:32,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:32,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:32,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:32,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:32,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:32,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:32,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:32,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:32,550 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:32,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:32,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:32,551 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_e1a90aed-7b02-41cc-9f4e-488f5f063b36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aff0c23635f1e1acd85672a1024d6cb6d0af57cad0028c56f5d301198b4eae6 [2023-11-19 03:13:32,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:32,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:32,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:32,885 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:32,886 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:32,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c [2023-11-19 03:13:36,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:36,302 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:36,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c [2023-11-19 03:13:36,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/data/7d3307a91/2ce3cceffe0948c8864860bc199bc9dd/FLAGc1bf31401 [2023-11-19 03:13:36,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/data/7d3307a91/2ce3cceffe0948c8864860bc199bc9dd [2023-11-19 03:13:36,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:36,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:36,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:36,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:36,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:36,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ab503a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36, skipping insertion in model container [2023-11-19 03:13:36,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,376 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:36,613 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_e1a90aed-7b02-41cc-9f4e-488f5f063b36/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c[573,586] [2023-11-19 03:13:36,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:36,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:36,657 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_e1a90aed-7b02-41cc-9f4e-488f5f063b36/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c[573,586] [2023-11-19 03:13:36,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:36,678 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:36,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36 WrapperNode [2023-11-19 03:13:36,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:36,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:36,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:36,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:36,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,715 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-19 03:13:36,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:36,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:36,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:36,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:36,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:36,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:36,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:36,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:36,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:36,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:36,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:36,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1a90aed-7b02-41cc-9f4e-488f5f063b36/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:13:36,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:13:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:36,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:13:36,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:13:36,884 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:36,887 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:37,050 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:37,091 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:37,091 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:13:37,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:37 BoogieIcfgContainer [2023-11-19 03:13:37,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:37,097 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:37,097 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:37,123 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:37,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:37,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:37,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-19 03:13:37,210 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 03:13:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:13:37,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:37,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:37,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:37,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-19 03:13:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-19 03:13:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:13:37,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:37,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:37,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:13:37,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-19 03:13:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-19 03:13:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:13:37,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:37,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:37,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:13:37,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:38,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2023-11-19 03:13:38,454 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-19 03:13:38,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:13:38,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:38,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:38,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:13:38,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:38,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-19 03:13:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-19 03:13:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:13:38,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:38,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:38,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:13:38,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2023-11-19 03:13:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-11-19 03:13:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:13:39,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:39,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:39,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:13:39,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:40,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2023-11-19 03:13:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2023-11-19 03:13:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:13:40,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:40,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:40,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:13:40,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:41,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2023-11-19 03:13:42,318 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2023-11-19 03:13:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:13:42,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:42,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:42,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:13:42,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:13:43,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:43,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 47 states and 85 transitions. [2023-11-19 03:13:43,478 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2023-11-19 03:13:43,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:13:43,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:43,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:43,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:13:43,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:13:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2023-11-19 03:13:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2023-11-19 03:13:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:13:46,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:46,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:46,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:13:46,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2023-11-19 03:13:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2023-11-19 03:13:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:13:47,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:47,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:47,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:13:47,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:13:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:49,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2023-11-19 03:13:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2023-11-19 03:13:49,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:13:49,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:49,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:49,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:13:49,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:13:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 59 states and 118 transitions. [2023-11-19 03:13:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 118 transitions. [2023-11-19 03:13:51,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:13:51,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:51,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:51,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:13:51,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 63 states and 131 transitions. [2023-11-19 03:13:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 131 transitions. [2023-11-19 03:13:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:13:52,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:52,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:52,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:13:52,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:13:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:56,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 67 states and 148 transitions. [2023-11-19 03:13:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 148 transitions. [2023-11-19 03:13:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:13:56,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:56,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:56,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:13:56,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:13:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 69 states and 150 transitions. [2023-11-19 03:13:59,185 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2023-11-19 03:13:59,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:13:59,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:59,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:59,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:13:59,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:14:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 77 states and 186 transitions. [2023-11-19 03:14:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 186 transitions. [2023-11-19 03:14:02,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:14:02,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:02,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:02,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:14:02,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:14:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 79 states and 188 transitions. [2023-11-19 03:14:05,048 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2023-11-19 03:14:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:14:05,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:05,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:05,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:14:05,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:05,142 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:14:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 79 states and 187 transitions. [2023-11-19 03:14:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 187 transitions. [2023-11-19 03:14:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:14:05,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:05,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:05,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:14:05,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:06,519 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:14:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 81 states and 189 transitions. [2023-11-19 03:14:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 189 transitions. [2023-11-19 03:14:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:14:07,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:08,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:14:08,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:14:08,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:08,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 81 states and 188 transitions. [2023-11-19 03:14:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 188 transitions. [2023-11-19 03:14:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:14:08,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:08,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:08,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:14:08,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:14:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 85 states and 209 transitions. [2023-11-19 03:14:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 209 transitions. [2023-11-19 03:14:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:14:14,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:14,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:14,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:14:14,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:14:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 87 states and 211 transitions. [2023-11-19 03:14:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 211 transitions. [2023-11-19 03:14:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:14:18,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:18,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:18,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:14:18,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:14:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 95 states and 253 transitions. [2023-11-19 03:14:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 253 transitions. [2023-11-19 03:14:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:14:22,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:22,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:22,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:14:22,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:14:25,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:25,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 97 states and 255 transitions. [2023-11-19 03:14:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 255 transitions. [2023-11-19 03:14:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:14:25,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:25,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:25,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:14:25,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:28,649 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.