./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/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_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:52,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:52,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:08:52,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:52,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:52,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:52,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:52,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:52,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:52,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:52,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:52,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:52,222 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:52,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:52,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:52,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:52,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:52,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:52,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:52,226 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:52,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:52,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:52,227 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:52,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:52,228 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:52,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:52,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:52,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:52,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:52,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:52,231 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:52,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:52,232 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:52,232 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_9027e26e-70f1-4366-9299-dfcbd6042621/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe [2023-11-19 04:08:52,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:52,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:52,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:52,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:52,603 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:52,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2023-11-19 04:08:55,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:56,120 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:56,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2023-11-19 04:08:56,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/data/6b5b77e1a/2812b11b321041d8b7e1d476a6d9f027/FLAG977ed32c9 [2023-11-19 04:08:56,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/data/6b5b77e1a/2812b11b321041d8b7e1d476a6d9f027 [2023-11-19 04:08:56,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:56,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:56,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:56,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:56,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:56,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7245a162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56, skipping insertion in model container [2023-11-19 04:08:56,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:56,394 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c[538,551] [2023-11-19 04:08:56,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:56,427 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:56,447 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c[538,551] [2023-11-19 04:08:56,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:56,483 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:56,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56 WrapperNode [2023-11-19 04:08:56,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:56,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:56,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:56,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:56,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,526 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-19 04:08:56,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:56,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:56,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:56,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:56,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:56,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:56,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:56,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:56,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:56,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:56,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:56,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9027e26e-70f1-4366-9299-dfcbd6042621/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:08:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:08:56,715 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:56,718 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:57,048 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:57,155 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:57,156 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:08:57,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:57 BoogieIcfgContainer [2023-11-19 04:08:57,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:57,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:57,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:57,175 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:57,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:57" (1/1) ... [2023-11-19 04:08:57,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 04:08:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 04:08:57,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:08:57,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:57,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:57,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:57,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:57,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 04:08:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 04:08:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:08:57,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:57,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-11-19 04:08:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-19 04:08:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:08:57,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:57,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:57,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:57,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-11-19 04:08:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 04:08:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:08:58,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:58,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-11-19 04:08:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-19 04:08:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:08:58,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:58,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:58,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:58,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:59,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:00,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2023-11-19 04:09:00,185 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 04:09:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:09:00,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:00,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:00,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:09:01,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 95 transitions. [2023-11-19 04:09:01,788 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2023-11-19 04:09:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:09:01,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:01,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:01,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:01,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:09:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 107 transitions. [2023-11-19 04:09:02,772 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2023-11-19 04:09:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:09:02,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:02,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,912 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:09:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 54 states and 112 transitions. [2023-11-19 04:09:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2023-11-19 04:09:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:09:03,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:03,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:09:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 59 states and 130 transitions. [2023-11-19 04:09:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 130 transitions. [2023-11-19 04:09:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:09:04,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:04,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:04,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:04,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:04,402 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:09:05,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 61 states and 131 transitions. [2023-11-19 04:09:05,305 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2023-11-19 04:09:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:05,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:05,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:09:05,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 04:09:08,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 66 states and 148 transitions. [2023-11-19 04:09:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2023-11-19 04:09:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:08,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:08,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:09:08,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 68 states and 149 transitions. [2023-11-19 04:09:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 149 transitions. [2023-11-19 04:09:08,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:09:08,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:09:09,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 04:09:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 71 states and 165 transitions. [2023-11-19 04:09:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 165 transitions. [2023-11-19 04:09:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:09:09,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:09,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:09,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:09:10,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 166 transitions. [2023-11-19 04:09:10,180 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 166 transitions. [2023-11-19 04:09:10,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:09:10,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:10,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:09:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 75 states and 174 transitions. [2023-11-19 04:09:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 174 transitions. [2023-11-19 04:09:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:09:11,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:11,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:11,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:11,364 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:09:14,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 85 states and 234 transitions. [2023-11-19 04:09:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 234 transitions. [2023-11-19 04:09:14,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:09:14,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 04:09:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 85 states and 233 transitions. [2023-11-19 04:09:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 233 transitions. [2023-11-19 04:09:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:09:14,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 04:09:15,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 88 states and 241 transitions. [2023-11-19 04:09:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 241 transitions. [2023-11-19 04:09:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:09:15,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:15,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:09:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 88 states and 240 transitions. [2023-11-19 04:09:16,317 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 240 transitions. [2023-11-19 04:09:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:09:16,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:16,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:16,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:16,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:09:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 90 states and 247 transitions. [2023-11-19 04:09:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 247 transitions. [2023-11-19 04:09:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:09:17,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:17,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:17,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 04:09:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:19,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 93 states and 260 transitions. [2023-11-19 04:09:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 260 transitions. [2023-11-19 04:09:19,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:09:19,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:19,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:19,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:19,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 04:09:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 95 states and 264 transitions. [2023-11-19 04:09:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 264 transitions. [2023-11-19 04:09:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:09:21,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:21,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:21,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:21,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-19 04:09:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:22,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 97 states and 265 transitions. [2023-11-19 04:09:22,063 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 265 transitions. [2023-11-19 04:09:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:09:22,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:22,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:22,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:09:22,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 04:09:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:25,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 103 states and 293 transitions. [2023-11-19 04:09:25,979 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 293 transitions. [2023-11-19 04:09:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:09:25,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:25,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:26,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:09:26,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 04:09:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 106 states and 296 transitions. [2023-11-19 04:09:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 296 transitions. [2023-11-19 04:09:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:09:27,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:27,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:27,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:09:27,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:09:29,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 108 states and 297 transitions. [2023-11-19 04:09:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 297 transitions. [2023-11-19 04:09:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:29,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:09:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 113 states and 330 transitions. [2023-11-19 04:09:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 330 transitions. [2023-11-19 04:09:33,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:09:33,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:33,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:33,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:33,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:09:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 115 states and 333 transitions. [2023-11-19 04:09:34,431 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 333 transitions. [2023-11-19 04:09:34,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:09:34,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 04:09:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 133 states and 409 transitions. [2023-11-19 04:09:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 409 transitions. [2023-11-19 04:09:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:09:46,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:46,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:46,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:09:46,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.