./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/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_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/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_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/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 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:11:13,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:11:14,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:11:14,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:11:14,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:11:14,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:11:14,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:11:14,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:11:14,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:11:14,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:11:14,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:11:14,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:11:14,105 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:11:14,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:11:14,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:11:14,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:11:14,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:11:14,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:11:14,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:11:14,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:11:14,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:11:14,112 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:11:14,112 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:11:14,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:11:14,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:11:14,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:11:14,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:14,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:11:14,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:11:14,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:11:14,117 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:11:14,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:11:14,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:11:14,118 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_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba [2023-11-19 03:11:14,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:11:14,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:11:14,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:11:14,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:11:14,529 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:11:14,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2023-11-19 03:11:18,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:18,349 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:18,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2023-11-19 03:11:18,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/data/09cfea165/81fb9e3a540f4a0aabdad4791c6f6728/FLAGd04e8747b [2023-11-19 03:11:18,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/data/09cfea165/81fb9e3a540f4a0aabdad4791c6f6728 [2023-11-19 03:11:18,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:18,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:18,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:18,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:18,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:18,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4965d3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18, skipping insertion in model container [2023-11-19 03:11:18,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:18,656 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_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] [2023-11-19 03:11:18,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:18,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:18,708 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_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] [2023-11-19 03:11:18,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:18,737 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:18,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18 WrapperNode [2023-11-19 03:11:18,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:18,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:18,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:18,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:18,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,787 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-19 03:11:18,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:18,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:18,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:18,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:18,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:18,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:18,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:18,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:18,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:18" (1/1) ... [2023-11-19 03:11:18,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:18,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:18,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:18,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6f913e-37a9-4d2a-bfc2-5d490d64943d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:11:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:11:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:11:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:11:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:11:19,046 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:19,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:19,199 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:19,241 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:19,242 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:11:19,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:19 BoogieIcfgContainer [2023-11-19 03:11:19,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:19,248 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:19,248 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:19,258 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:19,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:19" (1/1) ... [2023-11-19 03:11:19,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 03:11:19,323 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 03:11:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:11:19,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:19,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:19,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:11:19,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:11:19,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-19 03:11:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-19 03:11:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:11:19,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:19,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:19,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:11:19,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:20,077 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 03:11:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-11-19 03:11:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-19 03:11:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:11:20,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:20,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:11:20,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:11:20,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:20,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2023-11-19 03:11:20,979 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2023-11-19 03:11:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:11:20,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:20,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:21,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:11:21,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:11:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 63 transitions. [2023-11-19 03:11:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2023-11-19 03:11:21,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:11:21,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:21,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:21,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:11:21,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:11:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 75 transitions. [2023-11-19 03:11:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2023-11-19 03:11:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:11:22,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:22,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:22,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:11:22,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:22,438 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:11:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2023-11-19 03:11:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2023-11-19 03:11:22,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:11:22,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:22,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:22,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:11:23,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:11:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 54 states and 108 transitions. [2023-11-19 03:11:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 108 transitions. [2023-11-19 03:11:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:11:24,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:24,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:25,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:11:25,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:11:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 113 transitions. [2023-11-19 03:11:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 113 transitions. [2023-11-19 03:11:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:11:25,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:25,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:11:25,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 03:11:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 55 states and 111 transitions. [2023-11-19 03:11:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2023-11-19 03:11:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:11:27,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:27,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:27,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:11:27,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:11:28,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 60 states and 129 transitions. [2023-11-19 03:11:28,785 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 129 transitions. [2023-11-19 03:11:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:11:28,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:28,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:28,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:11:28,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 03:11:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 69 states and 148 transitions. [2023-11-19 03:11:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 148 transitions. [2023-11-19 03:11:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:11:31,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:31,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:32,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:11:32,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:11:34,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 158 transitions. [2023-11-19 03:11:34,079 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 158 transitions. [2023-11-19 03:11:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:11:34,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:34,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:34,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:11:34,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:11:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 77 states and 170 transitions. [2023-11-19 03:11:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 170 transitions. [2023-11-19 03:11:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:11:35,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:35,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:35,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:11:35,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-19 03:11:37,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:37,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 81 states and 188 transitions. [2023-11-19 03:11:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 188 transitions. [2023-11-19 03:11:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:11:37,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:37,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:37,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:11:37,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:11:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 82 states and 190 transitions. [2023-11-19 03:11:39,052 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 190 transitions. [2023-11-19 03:11:39,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:11:39,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:39,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:39,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:11:39,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:11:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 83 states and 192 transitions. [2023-11-19 03:11:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 192 transitions. [2023-11-19 03:11:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:11:40,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:40,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:40,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:11:40,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 03:11:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:42,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 87 states and 204 transitions. [2023-11-19 03:11:42,696 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 204 transitions. [2023-11-19 03:11:42,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:11:42,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:42,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:42,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:11:42,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 03:11:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 88 states and 205 transitions. [2023-11-19 03:11:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 205 transitions. [2023-11-19 03:11:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:11:43,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:43,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:43,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:11:43,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 03:11:43,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 89 states and 206 transitions. [2023-11-19 03:11:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 206 transitions. [2023-11-19 03:11:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:11:43,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:43,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:44,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:11:44,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-19 03:11:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 102 states and 245 transitions. [2023-11-19 03:11:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 245 transitions. [2023-11-19 03:11:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:11:51,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:51,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:51,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:11:51,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-19 03:11:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 106 states and 266 transitions. [2023-11-19 03:11:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 266 transitions. [2023-11-19 03:11:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:11:57,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:57,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:57,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:11:57,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-19 03:11:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 108 states and 270 transitions. [2023-11-19 03:11:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 270 transitions. [2023-11-19 03:11:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:11:59,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:59,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:59,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:11:59,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 03:12:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 110 states and 274 transitions. [2023-11-19 03:12:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 274 transitions. [2023-11-19 03:12:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:12:02,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:02,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:02,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:12:02,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:04,760 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.