./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC --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 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:21,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:21,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:28:21,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:28:21,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:28:21,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:21,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:28:21,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:28:21,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:21,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:21,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:21,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:28:21,659 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:28:21,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:28:21,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:28:21,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:21,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:28:21,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:21,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:28:21,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:28:21,669 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:28:21,669 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:28:21,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:28:21,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:21,671 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:21,672 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:21,672 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:21,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:21,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:21,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:21,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:21,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:28:21,675 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:28:21,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:28:21,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:28:21,676 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_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 [2023-11-23 20:28:21,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:21,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:21,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:21,991 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:21,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:21,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2023-11-23 20:28:25,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:25,486 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:25,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2023-11-23 20:28:25,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/data/4037b3186/5f11dd111ecc428c98e563503d075490/FLAG56fd1b1ef [2023-11-23 20:28:25,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/data/4037b3186/5f11dd111ecc428c98e563503d075490 [2023-11-23 20:28:25,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:25,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:25,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:25,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:25,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:25,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9fe7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25, skipping insertion in model container [2023-11-23 20:28:25,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:25,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:25,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:25,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:25,775 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:25,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25 WrapperNode [2023-11-23 20:28:25,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:25,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:25,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:25,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:25,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,817 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-23 20:28:25,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:25,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:25,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:25,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:25,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:25,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:25,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:25,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:25,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:25" (1/1) ... [2023-11-23 20:28:25,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:25,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:25,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:25,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8feec1fd-9f9b-4c02-9cbd-411ba3090a12/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:28:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:28:25,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:25,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:28:25,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:28:26,032 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:26,034 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:26,370 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:26,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:26,425 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:28:26,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:26 BoogieIcfgContainer [2023-11-23 20:28:26,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:26,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:26,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:26,447 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:26,447 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:26" (1/1) ... [2023-11-23 20:28:26,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:28:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-23 20:28:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-23 20:28:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:28:26,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:26,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:26,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:28:26,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-23 20:28:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-23 20:28:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:28:26,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:26,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:26,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-23 20:28:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-23 20:28:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:28:27,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:27,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:27,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:27,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-23 20:28:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-23 20:28:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:28:27,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:27,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:27,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:27,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:27,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-23 20:28:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-23 20:28:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:28:27,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:27,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:27,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:27,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:27,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-23 20:28:27,777 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-23 20:28:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:28:27,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:27,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:27,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:27,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:28,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:28,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-23 20:28:28,166 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-23 20:28:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:28:28,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:28,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:28,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:28,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-23 20:28:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-23 20:28:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:28:28,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:28,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:28,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:28,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:28,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-23 20:28:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-23 20:28:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:28,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:28,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:28,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:28,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-23 20:28:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-23 20:28:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:29,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:29,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:29,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:29,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-23 20:28:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-23 20:28:29,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:28:29,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:29,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:29,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:29,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 157 transitions. [2023-11-23 20:28:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-23 20:28:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:28:30,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:30,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:30,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:30,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:28:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:31,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 171 transitions. [2023-11-23 20:28:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2023-11-23 20:28:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:28:31,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:31,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:31,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:31,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:28:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 186 transitions. [2023-11-23 20:28:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 186 transitions. [2023-11-23 20:28:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:28:32,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:32,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:32,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 200 transitions. [2023-11-23 20:28:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 200 transitions. [2023-11-23 20:28:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:28:33,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:33,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:33,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:33,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 213 transitions. [2023-11-23 20:28:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2023-11-23 20:28:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:28:34,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:34,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:34,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:34,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 226 transitions. [2023-11-23 20:28:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2023-11-23 20:28:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:28:35,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:35,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:35,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:35,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 242 transitions. [2023-11-23 20:28:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-23 20:28:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:28:36,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:36,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:36,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:36,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 243 transitions. [2023-11-23 20:28:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-23 20:28:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:28:36,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:36,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:36,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:36,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:37,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 256 transitions. [2023-11-23 20:28:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2023-11-23 20:28:37,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:28:37,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:37,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:37,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:37,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:28:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 267 transitions. [2023-11-23 20:28:38,521 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 267 transitions. [2023-11-23 20:28:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:28:38,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:38,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:38,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:38,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:40,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:40,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 184 states and 288 transitions. [2023-11-23 20:28:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 288 transitions. [2023-11-23 20:28:40,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:28:40,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:40,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:40,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:40,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 20:28:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 193 states and 300 transitions. [2023-11-23 20:28:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-11-23 20:28:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:28:41,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:41,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:41,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:41,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:28:42,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:42,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 204 states and 327 transitions. [2023-11-23 20:28:42,155 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 327 transitions. [2023-11-23 20:28:42,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:28:42,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:42,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:42,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:42,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:42,234 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:28:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 209 states and 337 transitions. [2023-11-23 20:28:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2023-11-23 20:28:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:28:42,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:42,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:42,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:42,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:28:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 211 states and 342 transitions. [2023-11-23 20:28:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 342 transitions. [2023-11-23 20:28:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:28:44,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:44,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:44,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:44,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:44,579 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:28:45,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:45,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 217 states and 356 transitions. [2023-11-23 20:28:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 356 transitions. [2023-11-23 20:28:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:28:45,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:45,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:45,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:45,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 20:28:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 224 states and 372 transitions. [2023-11-23 20:28:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 372 transitions. [2023-11-23 20:28:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:28:47,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:47,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:47,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:47,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-23 20:28:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 229 states and 385 transitions. [2023-11-23 20:28:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 385 transitions. [2023-11-23 20:28:48,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:28:48,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:48,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:48,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:48,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-23 20:28:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 234 states and 399 transitions. [2023-11-23 20:28:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 399 transitions. [2023-11-23 20:28:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:28:49,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:49,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:49,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:28:49,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:28:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 240 states and 409 transitions. [2023-11-23 20:28:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 409 transitions. [2023-11-23 20:28:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:28:50,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:50,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:50,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:28:50,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:28:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 245 states and 422 transitions. [2023-11-23 20:28:51,093 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 422 transitions. [2023-11-23 20:28:51,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:28:51,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:51,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:51,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:51,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:28:52,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:52,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 256 states and 443 transitions. [2023-11-23 20:28:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 443 transitions. [2023-11-23 20:28:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:28:52,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:52,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:53,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:28:53,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:28:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:56,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 268 states and 465 transitions. [2023-11-23 20:28:56,193 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 465 transitions. [2023-11-23 20:28:56,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:28:56,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:56,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:56,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:56,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:28:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 273 states and 473 transitions. [2023-11-23 20:28:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 473 transitions. [2023-11-23 20:28:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:28:57,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:57,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:57,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:57,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:28:58,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 281 states and 487 transitions. [2023-11-23 20:28:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 487 transitions. [2023-11-23 20:28:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:28:58,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:58,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:58,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:28:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:59,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 288 states and 497 transitions. [2023-11-23 20:28:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 497 transitions. [2023-11-23 20:28:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:28:59,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:59,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:59,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:59,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:29:02,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 302 states and 521 transitions. [2023-11-23 20:29:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 521 transitions. [2023-11-23 20:29:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:29:02,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:02,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:03,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:03,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-23 20:29:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:03,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 311 states and 532 transitions. [2023-11-23 20:29:03,840 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 532 transitions. [2023-11-23 20:29:03,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:29:03,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:03,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:03,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:03,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:29:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 322 states and 564 transitions. [2023-11-23 20:29:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 564 transitions. [2023-11-23 20:29:05,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:29:05,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:05,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:05,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:05,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:29:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:06,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 326 states and 577 transitions. [2023-11-23 20:29:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 577 transitions. [2023-11-23 20:29:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:29:06,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:06,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:06,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:06,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:29:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 325 states and 576 transitions. [2023-11-23 20:29:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 576 transitions. [2023-11-23 20:29:07,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:29:07,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:07,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:07,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:29:07,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:29:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 327 states and 583 transitions. [2023-11-23 20:29:09,941 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 583 transitions. [2023-11-23 20:29:09,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:29:09,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:09,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:09,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:09,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:29:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:11,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 333 states and 598 transitions. [2023-11-23 20:29:11,244 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 598 transitions. [2023-11-23 20:29:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:29:11,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:11,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:11,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:11,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:29:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 340 states and 611 transitions. [2023-11-23 20:29:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 611 transitions. [2023-11-23 20:29:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:29:12,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:12,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:12,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:29:12,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:29:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 352 states and 631 transitions. [2023-11-23 20:29:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 631 transitions. [2023-11-23 20:29:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:29:16,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:16,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:16,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:16,608 INFO L285 TraceCheckSpWp]: Computing forward predicates...