./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/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_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:28,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:28,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:03:28,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:28,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:28,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:28,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:28,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:28,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:28,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:28,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:28,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:28,843 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:28,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:28,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:28,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:28,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:28,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:28,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:28,846 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:03:28,847 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:03:28,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:28,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:28,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:28,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:28,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:28,850 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:28,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:28,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:28,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:28,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:28,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:28,853 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:28,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:28,853 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:28,853 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_e6125771-55ab-4101-ac2e-da449164a2c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2023-11-19 04:03:29,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:29,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:29,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:29,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:29,264 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:29,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-19 04:03:32,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:32,750 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:32,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-19 04:03:32,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/data/bf2f76472/e4cd6249ed6744fd8ef84cde2262c6a1/FLAG59daa7f04 [2023-11-19 04:03:32,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/data/bf2f76472/e4cd6249ed6744fd8ef84cde2262c6a1 [2023-11-19 04:03:32,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:32,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:32,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:32,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:32,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:32,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:32" (1/1) ... [2023-11-19 04:03:32,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df8f0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:32, skipping insertion in model container [2023-11-19 04:03:32,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:32" (1/1) ... [2023-11-19 04:03:32,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:33,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:33,109 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:33,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:33,154 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:33,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33 WrapperNode [2023-11-19 04:03:33,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:33,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:33,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:33,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:33,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,224 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-19 04:03:33,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:33,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:33,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:33,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:33,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:33,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:33,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:33,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:33,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:33,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:33,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:33,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6125771-55ab-4101-ac2e-da449164a2c8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:03:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:03:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:03:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:03:33,439 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:33,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:33,699 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:33,739 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:33,740 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:03:33,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:33 BoogieIcfgContainer [2023-11-19 04:03:33,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:33,747 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:33,747 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:33,760 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:33,761 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:33,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-19 04:03:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-19 04:03:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:03:33,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-19 04:03:34,493 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-19 04:03:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:03:34,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-19 04:03:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-19 04:03:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:03:34,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:34,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:34,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:03:34,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:35,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-19 04:03:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-19 04:03:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:03:35,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:35,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:35,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:03:35,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-19 04:03:35,714 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-19 04:03:35,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:03:35,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:35,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:35,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:03:35,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-19 04:03:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-19 04:03:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:03:35,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:35,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:36,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:03:36,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-19 04:03:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-19 04:03:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:03:36,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:36,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:36,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:03:36,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:36,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:36,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-19 04:03:36,972 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-19 04:03:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:03:36,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:36,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:37,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:03:37,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:37,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:37,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-19 04:03:37,830 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-19 04:03:37,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:03:37,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:37,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:37,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:03:37,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-19 04:03:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-19 04:03:38,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:03:38,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:38,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:38,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:03:38,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:38,240 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-19 04:03:38,600 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-19 04:03:38,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:03:38,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:38,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:38,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:03:38,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 04:03:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-19 04:03:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-19 04:03:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:03:41,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:41,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:41,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:03:41,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2023-11-19 04:03:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2023-11-19 04:03:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:03:42,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:42,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:42,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:03:42,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 100 states and 185 transitions. [2023-11-19 04:03:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 185 transitions. [2023-11-19 04:03:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:03:44,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:44,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:44,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:03:44,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 100 states and 182 transitions. [2023-11-19 04:03:44,633 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 182 transitions. [2023-11-19 04:03:44,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:03:44,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:44,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:44,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:03:44,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:46,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 107 states and 202 transitions. [2023-11-19 04:03:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 202 transitions. [2023-11-19 04:03:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:03:46,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:46,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:46,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:03:46,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:46,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:46,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 109 states and 204 transitions. [2023-11-19 04:03:46,553 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 204 transitions. [2023-11-19 04:03:46,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:03:46,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:46,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:46,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:03:46,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 113 states and 220 transitions. [2023-11-19 04:03:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 220 transitions. [2023-11-19 04:03:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:03:47,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:47,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:47,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:03:47,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 119 states and 231 transitions. [2023-11-19 04:03:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 231 transitions. [2023-11-19 04:03:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:03:49,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:49,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:49,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:03:49,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 123 states and 242 transitions. [2023-11-19 04:03:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 242 transitions. [2023-11-19 04:03:49,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:03:49,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:49,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:49,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:03:49,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:51,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 127 states and 258 transitions. [2023-11-19 04:03:51,402 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 258 transitions. [2023-11-19 04:03:51,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:03:51,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:51,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:51,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:03:51,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 131 states and 262 transitions. [2023-11-19 04:03:53,014 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 262 transitions. [2023-11-19 04:03:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:03:53,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:53,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:53,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:03:53,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 131 states and 261 transitions. [2023-11-19 04:03:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 261 transitions. [2023-11-19 04:03:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:03:53,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:53,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:53,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:03:53,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 131 states and 257 transitions. [2023-11-19 04:03:54,405 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 257 transitions. [2023-11-19 04:03:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:03:54,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:54,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:54,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:03:54,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 138 states and 277 transitions. [2023-11-19 04:03:56,105 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 277 transitions. [2023-11-19 04:03:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:03:56,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:56,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:56,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:03:56,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 143 states and 285 transitions. [2023-11-19 04:03:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 285 transitions. [2023-11-19 04:03:58,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:03:58,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:58,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:58,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:03:58,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:58,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 145 states and 287 transitions. [2023-11-19 04:03:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 287 transitions. [2023-11-19 04:03:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:03:58,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:58,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:58,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:03:58,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:00,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:00,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 149 states and 300 transitions. [2023-11-19 04:04:00,118 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 300 transitions. [2023-11-19 04:04:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:04:00,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:00,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:00,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:04:00,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 155 states and 316 transitions. [2023-11-19 04:04:01,554 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 316 transitions. [2023-11-19 04:04:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:04:01,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:01,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:01,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:04:01,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:02,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 159 states and 329 transitions. [2023-11-19 04:04:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 329 transitions. [2023-11-19 04:04:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:04:02,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:02,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:02,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:04:02,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:03,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 160 states and 330 transitions. [2023-11-19 04:04:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 330 transitions. [2023-11-19 04:04:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:04:03,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:03,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:03,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:04:03,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:04,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 160 states and 324 transitions. [2023-11-19 04:04:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 324 transitions. [2023-11-19 04:04:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:04:04,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:04,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:04,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:04:04,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 160 states and 323 transitions. [2023-11-19 04:04:05,516 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 323 transitions. [2023-11-19 04:04:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:04:05,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:05,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:05,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:04:05,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 160 states and 318 transitions. [2023-11-19 04:04:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 318 transitions. [2023-11-19 04:04:06,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:04:06,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:06,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:06,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:04:06,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:07,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:07,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 163 states and 324 transitions. [2023-11-19 04:04:07,498 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 324 transitions. [2023-11-19 04:04:07,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:04:07,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:07,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:07,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:04:07,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 163 states and 322 transitions. [2023-11-19 04:04:08,410 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 322 transitions. [2023-11-19 04:04:08,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:04:08,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:08,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:08,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:04:08,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 168 states and 331 transitions. [2023-11-19 04:04:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 331 transitions. [2023-11-19 04:04:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:04:10,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:10,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:10,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:04:10,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 168 states and 329 transitions. [2023-11-19 04:04:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 329 transitions. [2023-11-19 04:04:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:04:10,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:10,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:10,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:04:10,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 171 states and 334 transitions. [2023-11-19 04:04:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 334 transitions. [2023-11-19 04:04:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:04:11,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:11,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:11,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:04:11,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 175 states and 347 transitions. [2023-11-19 04:04:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 347 transitions. [2023-11-19 04:04:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:04:12,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:12,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:04:12,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:14,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 183 states and 377 transitions. [2023-11-19 04:04:14,729 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 377 transitions. [2023-11-19 04:04:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:04:14,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:14,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:14,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:04:14,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:15,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 185 states and 379 transitions. [2023-11-19 04:04:15,060 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 379 transitions. [2023-11-19 04:04:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:15,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:15,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:15,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:04:15,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 04:04:19,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 197 states and 415 transitions. [2023-11-19 04:04:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 415 transitions. [2023-11-19 04:04:19,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:19,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:19,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:19,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:04:19,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 197 states and 414 transitions. [2023-11-19 04:04:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 414 transitions. [2023-11-19 04:04:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:04:20,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:20,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:04:20,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.