./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound5.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_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/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_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/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_a7665897-8e87-4dc5-aac8-4183a74c93e8/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 a93c350e5795e32421c3bef9d7525c3fd53f570f971d574def19132b3d6f08b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:09,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:09,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:04:09,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:09,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:09,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:09,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:09,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:09,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:09,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:09,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:09,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:09,821 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:09,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:09,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:09,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:09,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:09,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:09,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:09,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:09,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:09,828 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:09,829 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:09,829 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:09,830 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:09,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:09,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:09,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:09,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:09,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:09,835 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:09,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:09,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:09,837 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_a7665897-8e87-4dc5-aac8-4183a74c93e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a93c350e5795e32421c3bef9d7525c3fd53f570f971d574def19132b3d6f08b8 [2023-11-19 04:04:10,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:10,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:10,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:10,233 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:10,234 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:10,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound5.c [2023-11-19 04:04:13,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:13,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:13,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound5.c [2023-11-19 04:04:13,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/data/14bca67e1/218704750d41458abe64642542fc401e/FLAGd46b4f3b1 [2023-11-19 04:04:13,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/data/14bca67e1/218704750d41458abe64642542fc401e [2023-11-19 04:04:13,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:13,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:13,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:13,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:13,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:13,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:13" (1/1) ... [2023-11-19 04:04:13,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175077d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:13, skipping insertion in model container [2023-11-19 04:04:13,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:13" (1/1) ... [2023-11-19 04:04:13,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:14,051 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_a7665897-8e87-4dc5-aac8-4183a74c93e8/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound5.c[538,551] [2023-11-19 04:04:14,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:14,085 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:14,097 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_a7665897-8e87-4dc5-aac8-4183a74c93e8/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound5.c[538,551] [2023-11-19 04:04:14,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:14,120 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:14,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14 WrapperNode [2023-11-19 04:04:14,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:14,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:14,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:14,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:14,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,170 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-19 04:04:14,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:14,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:14,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:14,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:14,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:14,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:14,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:14,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:14,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:14,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:14,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:14,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7665897-8e87-4dc5-aac8-4183a74c93e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:04:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:04:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:04:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:04:14,359 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:14,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:14,563 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:14,610 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:14,610 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:04:14,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:14 BoogieIcfgContainer [2023-11-19 04:04:14,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:14,617 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:14,617 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:14,629 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:14,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:14" (1/1) ... [2023-11-19 04:04:14,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-19 04:04:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 04:04:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:04:14,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:14,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 47 transitions. [2023-11-19 04:04:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2023-11-19 04:04:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:04:15,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:15,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 51 transitions. [2023-11-19 04:04:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 04:04:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:04:15,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:15,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:15,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:15,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:04:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 58 transitions. [2023-11-19 04:04:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-11-19 04:04:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:04:16,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:16,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:16,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 04:04:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 63 transitions. [2023-11-19 04:04:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-11-19 04:04:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:04:17,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:17,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:17,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:17,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 04:04:17,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:17,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 72 transitions. [2023-11-19 04:04:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2023-11-19 04:04:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:04:17,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:17,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:17,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:04:17,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 04:04:18,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 80 transitions. [2023-11-19 04:04:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-11-19 04:04:18,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:04:18,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:18,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:18,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:18,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 04:04:19,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 89 transitions. [2023-11-19 04:04:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2023-11-19 04:04:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:04:19,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:19,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:19,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:04:19,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 04:04:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 90 transitions. [2023-11-19 04:04:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2023-11-19 04:04:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:04:19,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:19,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:19,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:04:19,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 04:04:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 56 states and 94 transitions. [2023-11-19 04:04:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2023-11-19 04:04:20,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:04:20,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:20,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:20,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 04:04:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 93 transitions. [2023-11-19 04:04:20,783 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-19 04:04:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:04:20,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:20,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:04:20,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:21,040 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-19 04:04:21,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 58 states and 98 transitions. [2023-11-19 04:04:21,854 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-11-19 04:04:21,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:21,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:04:21,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:22,446 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-19 04:04:25,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:25,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 73 states and 125 transitions. [2023-11-19 04:04:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 125 transitions. [2023-11-19 04:04:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:04:25,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:25,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:25,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:04:25,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-19 04:04:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 78 states and 134 transitions. [2023-11-19 04:04:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-19 04:04:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:04:27,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:27,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:27,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:04:27,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-19 04:04:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 82 states and 145 transitions. [2023-11-19 04:04:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2023-11-19 04:04:28,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:04:28,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:28,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:28,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:04:28,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 27 proven. 17 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 04:04:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 87 states and 162 transitions. [2023-11-19 04:04:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 162 transitions. [2023-11-19 04:04:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:04:31,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:31,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:31,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:04:31,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-19 04:04:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 88 states and 163 transitions. [2023-11-19 04:04:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 163 transitions. [2023-11-19 04:04:32,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:04:32,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:32,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:32,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:04:32,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-19 04:04:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:33,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 90 states and 167 transitions. [2023-11-19 04:04:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 167 transitions. [2023-11-19 04:04:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:04:33,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:33,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:33,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:33,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-19 04:04:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 90 states and 166 transitions. [2023-11-19 04:04:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 166 transitions. [2023-11-19 04:04:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:04:34,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:34,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:34,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-19 04:04:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 90 states and 165 transitions. [2023-11-19 04:04:35,092 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 165 transitions. [2023-11-19 04:04:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:04:35,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:35,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:35,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:04:35,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:35,953 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-19 04:04:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 93 states and 174 transitions. [2023-11-19 04:04:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 174 transitions. [2023-11-19 04:04:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:04:37,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:37,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:37,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:37,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-19 04:04:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:38,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 94 states and 174 transitions. [2023-11-19 04:04:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 174 transitions. [2023-11-19 04:04:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 04:04:38,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:38,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 04:04:38,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-19 04:04:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 99 states and 184 transitions. [2023-11-19 04:04:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 184 transitions. [2023-11-19 04:04:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 04:04:40,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:40,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:40,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:04:40,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-19 04:04:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:43,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 103 states and 190 transitions. [2023-11-19 04:04:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 190 transitions. [2023-11-19 04:04:43,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:04:43,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:43,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:43,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:04:43,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 33 proven. 28 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-19 04:04:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:46,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 106 states and 196 transitions. [2023-11-19 04:04:46,296 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 196 transitions. [2023-11-19 04:04:46,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:04:46,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:46,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:46,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:04:46,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-19 04:04:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 111 states and 213 transitions. [2023-11-19 04:04:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 213 transitions. [2023-11-19 04:04:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:04:49,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:49,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:49,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 04:04:49,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-19 04:04:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 112 states and 214 transitions. [2023-11-19 04:04:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 214 transitions. [2023-11-19 04:04:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:04:50,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:50,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:50,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:50,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-19 04:04:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 112 states and 213 transitions. [2023-11-19 04:04:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 213 transitions. [2023-11-19 04:04:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:04:51,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:51,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:51,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:04:51,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:51,460 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-19 04:04:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 114 states and 218 transitions. [2023-11-19 04:04:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 218 transitions. [2023-11-19 04:04:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:04:52,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:52,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:52,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:04:52,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-19 04:04:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:52,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 114 states and 217 transitions. [2023-11-19 04:04:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 217 transitions. [2023-11-19 04:04:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 04:04:52,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:52,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:52,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:04:52,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 26 proven. 23 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-11-19 04:04:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 118 states and 231 transitions. [2023-11-19 04:04:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 231 transitions. [2023-11-19 04:04:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 04:04:55,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:55,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:56,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:04:56,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 28 proven. 48 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked.