./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-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_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/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_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/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_31508f21-3058-421b-a140-1acc5e5cc4c4/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 6d288c71d1b2e69759b6f9526e6975c86927bb09c8445c07388947e8f3491289 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:00,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:00,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:00,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:00,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:00,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:00,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:00,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:00,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:00,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:00,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:00,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:00,928 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:00,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:00,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:00,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:00,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:00,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:00,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:00,932 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:00,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:00,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:00,934 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:00,935 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:00,935 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:00,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:00,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:00,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:00,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:00,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:00,938 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:00,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:00,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:00,939 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_31508f21-3058-421b-a140-1acc5e5cc4c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d288c71d1b2e69759b6f9526e6975c86927bb09c8445c07388947e8f3491289 [2023-11-19 04:06:01,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:01,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:01,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:01,300 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:01,300 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:01,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c [2023-11-19 04:06:04,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:04,783 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:04,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c [2023-11-19 04:06:04,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/data/16300fde6/174a4d3ea8814735ab08336f34bb2520/FLAG19dd3701b [2023-11-19 04:06:04,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/data/16300fde6/174a4d3ea8814735ab08336f34bb2520 [2023-11-19 04:06:04,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:04,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:04,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:04,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:04,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:04,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:04" (1/1) ... [2023-11-19 04:06:04,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223672a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:04, skipping insertion in model container [2023-11-19 04:06:04,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:04" (1/1) ... [2023-11-19 04:06:04,887 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:05,157 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_31508f21-3058-421b-a140-1acc5e5cc4c4/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c[490,503] [2023-11-19 04:06:05,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:05,206 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:05,221 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_31508f21-3058-421b-a140-1acc5e5cc4c4/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c[490,503] [2023-11-19 04:06:05,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:05,267 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:05,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05 WrapperNode [2023-11-19 04:06:05,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:05,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:05,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:05,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:05,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,313 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-19 04:06:05,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:05,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:05,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:05,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:05,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:05,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:05,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:05,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:05,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:05,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:05,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:05,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31508f21-3058-421b-a140-1acc5e5cc4c4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:06:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:06:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:06:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:06:05,519 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:05,522 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:05,750 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:05,784 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:05,784 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:06:05,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:05 BoogieIcfgContainer [2023-11-19 04:06:05,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:05,792 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:05,792 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:05,805 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:05,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:05" (1/1) ... [2023-11-19 04:06:05,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:05,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-19 04:06:05,889 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-19 04:06:05,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:06:05,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:05,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:06,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:06:06,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2023-11-19 04:06:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-19 04:06:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:06:06,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:06,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:06,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:06:06,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:06,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2023-11-19 04:06:06,469 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-19 04:06:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:06:06,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:06,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:06,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:06:06,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-11-19 04:06:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 04:06:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:06:07,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:07,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:07,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:06:07,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2023-11-19 04:06:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2023-11-19 04:06:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:06:07,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:07,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:07,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:06:07,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:08,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2023-11-19 04:06:08,178 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2023-11-19 04:06:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:06:08,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:08,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:08,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:06:08,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:08,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2023-11-19 04:06:08,761 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2023-11-19 04:06:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:06:08,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:08,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:08,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:06:08,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2023-11-19 04:06:09,511 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 04:06:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:06:09,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:09,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:09,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:06:09,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:06:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 117 transitions. [2023-11-19 04:06:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2023-11-19 04:06:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:06:13,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:13,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:13,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:06:13,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:06:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 121 transitions. [2023-11-19 04:06:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2023-11-19 04:06:13,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:06:13,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:13,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:13,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:06:13,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 138 transitions. [2023-11-19 04:06:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2023-11-19 04:06:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:06:14,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:14,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:15,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:06:15,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 141 transitions. [2023-11-19 04:06:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2023-11-19 04:06:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:06:15,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:15,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:15,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:06:15,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 153 transitions. [2023-11-19 04:06:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 153 transitions. [2023-11-19 04:06:17,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:06:17,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:17,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:06:17,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 85 states and 182 transitions. [2023-11-19 04:06:20,223 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 182 transitions. [2023-11-19 04:06:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:06:20,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:20,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:20,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:06:20,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 89 states and 186 transitions. [2023-11-19 04:06:21,745 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 186 transitions. [2023-11-19 04:06:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:06:21,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:21,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:21,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:06:21,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:22,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:22,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 89 states and 185 transitions. [2023-11-19 04:06:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 185 transitions. [2023-11-19 04:06:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:06:22,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:22,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:22,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:06:22,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:26,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 96 states and 201 transitions. [2023-11-19 04:06:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 201 transitions. [2023-11-19 04:06:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:06:26,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:26,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:26,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:06:26,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:27,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 100 states and 205 transitions. [2023-11-19 04:06:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 205 transitions. [2023-11-19 04:06:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:06:27,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:27,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:27,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:06:27,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:28,156 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:06:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 108 states and 226 transitions. [2023-11-19 04:06:31,958 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 226 transitions. [2023-11-19 04:06:31,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:06:31,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:31,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:31,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:06:31,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 119 states and 256 transitions. [2023-11-19 04:06:38,070 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 256 transitions. [2023-11-19 04:06:38,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:06:38,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:38,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:38,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:06:38,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 123 states and 261 transitions. [2023-11-19 04:06:40,802 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 261 transitions. [2023-11-19 04:06:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:06:40,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:40,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:40,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:06:40,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:41,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:06:44,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 129 states and 277 transitions. [2023-11-19 04:06:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 277 transitions. [2023-11-19 04:06:44,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:06:44,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:44,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:44,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:44,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 132 states and 283 transitions. [2023-11-19 04:06:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 283 transitions. [2023-11-19 04:06:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:06:48,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:48,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:48,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:06:48,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 132 states and 282 transitions. [2023-11-19 04:06:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 282 transitions. [2023-11-19 04:06:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:06:49,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:49,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:49,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:06:49,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:06:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 139 states and 297 transitions. [2023-11-19 04:06:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 297 transitions. [2023-11-19 04:06:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:06:53,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:53,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:54,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:06:54,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:06:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 141 states and 299 transitions. [2023-11-19 04:06:55,662 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 299 transitions. [2023-11-19 04:06:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:06:55,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:55,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:06:55,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.