./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi --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 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:59,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:59,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:52:59,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:59,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:59,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:59,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:59,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:59,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:59,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:59,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:59,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:59,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:59,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:59,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:59,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:59,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:59,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:59,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:59,894 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:59,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:59,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:59,896 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:59,896 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:59,897 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:59,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:59,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:59,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:59,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:59,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:59,899 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:59,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:59,900 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:59,900 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_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 [2023-11-24 22:53:00,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:00,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:00,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:00,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:00,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:00,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2023-11-24 22:53:03,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:03,489 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:03,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2023-11-24 22:53:03,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/data/2d62047ea/68b9d079558e48d09d2cee2daf478dfd/FLAG32ee340ee [2023-11-24 22:53:03,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/data/2d62047ea/68b9d079558e48d09d2cee2daf478dfd [2023-11-24 22:53:03,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:03,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:03,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:03,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:03,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:03,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccddfc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03, skipping insertion in model container [2023-11-24 22:53:03,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:03,696 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_330baf34-51a6-46b4-b913-c5b8ead64962/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c[489,502] [2023-11-24 22:53:03,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:03,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:03,738 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_330baf34-51a6-46b4-b913-c5b8ead64962/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c[489,502] [2023-11-24 22:53:03,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:03,768 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:03,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03 WrapperNode [2023-11-24 22:53:03,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:03,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:03,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:03,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:03,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,807 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-24 22:53:03,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:03,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:03,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:03,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:03,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:03,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:03,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:03,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:03,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:03" (1/1) ... [2023-11-24 22:53:03,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:03,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:03,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:03,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_330baf34-51a6-46b4-b913-c5b8ead64962/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:53:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:53:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:53:03,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:53:03,974 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:03,976 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:04,197 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:04,251 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:04,251 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:53:04,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:04 BoogieIcfgContainer [2023-11-24 22:53:04,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:04,254 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:04,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:04,265 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:04,266 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:04" (1/1) ... [2023-11-24 22:53:04,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-24 22:53:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 22:53:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:53:04,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:04,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:04,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:53:04,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:53:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-24 22:53:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-24 22:53:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:53:04,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:04,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:04,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:53:04,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:53:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-24 22:53:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-24 22:53:05,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:53:05,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:05,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:05,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:53:05,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:53:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2023-11-24 22:53:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2023-11-24 22:53:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:53:06,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:06,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:06,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:53:06,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:53:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 42 states and 84 transitions. [2023-11-24 22:53:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-24 22:53:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:53:07,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:07,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:08,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:53:08,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:53:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 45 states and 89 transitions. [2023-11-24 22:53:09,039 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2023-11-24 22:53:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:53:09,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:09,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:09,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:53:09,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:53:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 45 states and 87 transitions. [2023-11-24 22:53:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2023-11-24 22:53:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:53:09,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:09,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:09,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:53:09,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:53:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 49 states and 101 transitions. [2023-11-24 22:53:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2023-11-24 22:53:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:53:10,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:10,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:10,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:53:10,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:53:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:11,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 111 transitions. [2023-11-24 22:53:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 111 transitions. [2023-11-24 22:53:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:53:11,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:11,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:53:11,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:53:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 58 states and 127 transitions. [2023-11-24 22:53:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 127 transitions. [2023-11-24 22:53:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:53:14,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:14,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:14,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:53:14,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 22:53:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 62 states and 140 transitions. [2023-11-24 22:53:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 140 transitions. [2023-11-24 22:53:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:53:18,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:18,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:18,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:18,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:18,231 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:53:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 65 states and 146 transitions. [2023-11-24 22:53:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 146 transitions. [2023-11-24 22:53:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:53:20,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:20,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:20,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:53:20,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:53:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 69 states and 161 transitions. [2023-11-24 22:53:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 161 transitions. [2023-11-24 22:53:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:53:22,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:23,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:53:23,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:53:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 72 states and 170 transitions. [2023-11-24 22:53:24,580 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 170 transitions. [2023-11-24 22:53:24,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:53:24,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:24,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:24,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:53:24,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:53:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 73 states and 173 transitions. [2023-11-24 22:53:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 173 transitions. [2023-11-24 22:53:26,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:53:26,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:26,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:26,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:26,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-24 22:53:31,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:31,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 77 states and 183 transitions. [2023-11-24 22:53:31,693 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 183 transitions. [2023-11-24 22:53:31,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:53:31,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:31,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:31,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:53:31,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:32,920 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-24 22:53:35,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:35,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 81 states and 203 transitions. [2023-11-24 22:53:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 203 transitions. [2023-11-24 22:53:35,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:53:35,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:35,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:36,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:53:36,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-24 22:53:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 83 states and 208 transitions. [2023-11-24 22:53:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 208 transitions. [2023-11-24 22:53:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:53:37,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:53:38,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:38,530 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-24 22:53:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 84 states and 209 transitions. [2023-11-24 22:53:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 209 transitions. [2023-11-24 22:53:39,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:53:39,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:39,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:39,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:53:39,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-24 22:53:41,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:41,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 86 states and 216 transitions. [2023-11-24 22:53:41,658 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 216 transitions. [2023-11-24 22:53:41,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:53:41,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:41,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:41,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:53:41,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-24 22:53:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:42,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 87 states and 217 transitions. [2023-11-24 22:53:42,311 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 217 transitions. [2023-11-24 22:53:42,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:53:42,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:42,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:42,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:53:42,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:55,603 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.