./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/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_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/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_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/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 3d9847fe213bf8df5d23c53d2bc8b53fb384c85820b87c09591484702dabefc3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:48,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:48,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:45:48,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:48,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:48,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:48,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:48,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:48,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:48,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:48,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:48,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:48,957 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:48,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:48,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:48,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:48,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:48,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:48,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:48,962 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:48,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:48,964 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:48,964 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:48,965 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:48,965 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:48,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:48,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:48,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:48,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:48,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:48,969 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:48,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:48,970 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:48,970 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_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d9847fe213bf8df5d23c53d2bc8b53fb384c85820b87c09591484702dabefc3 [2023-11-19 02:45:49,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:49,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:49,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:49,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:49,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:49,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2023-11-19 02:45:52,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:52,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:52,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2023-11-19 02:45:52,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/data/1869f60e4/f089573c8beb405da16c3136977373d3/FLAG3ffd2af19 [2023-11-19 02:45:52,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/data/1869f60e4/f089573c8beb405da16c3136977373d3 [2023-11-19 02:45:52,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:52,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:52,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:52,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:52,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:52,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7f327b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52, skipping insertion in model container [2023-11-19 02:45:52,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:52,770 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_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c[489,502] [2023-11-19 02:45:52,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:52,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:52,812 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_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c[489,502] [2023-11-19 02:45:52,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:52,839 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:52,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52 WrapperNode [2023-11-19 02:45:52,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:52,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:52,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:52,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:52,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,883 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-19 02:45:52,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:52,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:52,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:52,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:52,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:52,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:52,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:52,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:52,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:52,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:52,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:52,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4de4f2-2b36-40b1-9f2a-d634e4501ab5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:45:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:45:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:45:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:45:53,041 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:53,043 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:53,233 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:53,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:53,318 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:45:53,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:53 BoogieIcfgContainer [2023-11-19 02:45:53,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:53,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:53,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:53,341 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:53,341 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:53,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 02:45:53,436 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 02:45:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:45:53,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:53,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:53,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:45:53,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-19 02:45:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-19 02:45:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:45:53,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:53,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:54,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:45:54,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:54,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-11-19 02:45:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-19 02:45:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:45:54,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:54,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:54,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:45:54,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:45:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2023-11-19 02:45:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2023-11-19 02:45:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:45:54,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:54,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:55,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:55,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:45:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 63 transitions. [2023-11-19 02:45:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2023-11-19 02:45:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:45:55,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:55,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:45:55,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:45:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 75 transitions. [2023-11-19 02:45:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2023-11-19 02:45:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:45:56,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:56,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:56,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:45:56,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 02:45:56,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:56,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2023-11-19 02:45:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2023-11-19 02:45:56,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:45:56,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:56,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 02:45:56,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 02:45:58,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 109 transitions. [2023-11-19 02:45:58,149 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 109 transitions. [2023-11-19 02:45:58,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:45:58,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:58,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:58,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:45:58,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 02:45:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 59 states and 127 transitions. [2023-11-19 02:45:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2023-11-19 02:45:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:45:59,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:59,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:59,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:45:59,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:59,844 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:45:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 59 states and 127 transitions. [2023-11-19 02:45:59,879 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2023-11-19 02:45:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:45:59,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:59,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:59,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:45:59,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 02:46:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 60 states and 131 transitions. [2023-11-19 02:46:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2023-11-19 02:46:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:46:00,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:00,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:00,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:46:00,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:01,298 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 02:46:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:01,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 60 states and 131 transitions. [2023-11-19 02:46:01,327 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2023-11-19 02:46:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:46:01,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:01,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:01,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:01,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:01,690 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 02:46:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 60 states and 131 transitions. [2023-11-19 02:46:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2023-11-19 02:46:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:46:01,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:01,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:01,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:46:01,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 02:46:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:02,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 60 states and 131 transitions. [2023-11-19 02:46:02,333 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2023-11-19 02:46:02,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:46:02,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:02,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:02,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:02,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 02:46:02,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 60 states and 131 transitions. [2023-11-19 02:46:02,707 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2023-11-19 02:46:02,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:46:02,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:02,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:02,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:46:02,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:46:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:03,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 62 states and 135 transitions. [2023-11-19 02:46:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 135 transitions. [2023-11-19 02:46:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:46:03,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:03,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:03,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:03,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 02:46:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 143 transitions. [2023-11-19 02:46:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 143 transitions. [2023-11-19 02:46:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:03,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:03,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:03,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:46:03,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:46:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 75 states and 164 transitions. [2023-11-19 02:46:06,008 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 164 transitions. [2023-11-19 02:46:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:06,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:06,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:06,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:46:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 78 states and 170 transitions. [2023-11-19 02:46:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2023-11-19 02:46:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:07,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:07,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:07,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:46:07,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 02:46:09,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 82 states and 180 transitions. [2023-11-19 02:46:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 180 transitions. [2023-11-19 02:46:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:09,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:09,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:09,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:46:09,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 02:46:09,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 82 states and 180 transitions. [2023-11-19 02:46:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 180 transitions. [2023-11-19 02:46:09,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:09,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:09,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:10,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:10,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 02:46:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 91 states and 194 transitions. [2023-11-19 02:46:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 194 transitions. [2023-11-19 02:46:11,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:11,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:11,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:11,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:11,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:46:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 91 states and 194 transitions. [2023-11-19 02:46:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 194 transitions. [2023-11-19 02:46:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:12,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:12,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:12,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:12,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:46:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 80 states and 173 transitions. [2023-11-19 02:46:13,719 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 173 transitions. [2023-11-19 02:46:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:46:13,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:13,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:13,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:13,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-19 02:46:14,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 84 states and 183 transitions. [2023-11-19 02:46:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 183 transitions. [2023-11-19 02:46:14,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:46:14,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:14,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:14,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:46:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 88 states and 199 transitions. [2023-11-19 02:46:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 199 transitions. [2023-11-19 02:46:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:46:17,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:17,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:17,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:17,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:46:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 89 states and 201 transitions. [2023-11-19 02:46:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 201 transitions. [2023-11-19 02:46:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:46:18,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:18,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:18,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:46:18,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:46:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 93 states and 212 transitions. [2023-11-19 02:46:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 212 transitions. [2023-11-19 02:46:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:46:20,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:20,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:20,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:46:20,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:20,662 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 02:46:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:21,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 94 states and 213 transitions. [2023-11-19 02:46:21,136 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 213 transitions. [2023-11-19 02:46:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:46:21,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:21,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:21,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:46:21,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-19 02:46:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 99 states and 231 transitions. [2023-11-19 02:46:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 231 transitions. [2023-11-19 02:46:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:46:25,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:25,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:25,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:46:25,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-19 02:46:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 111 states and 264 transitions. [2023-11-19 02:46:32,914 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 264 transitions. [2023-11-19 02:46:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:46:32,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:32,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:32,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 02:46:32,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:35,028 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-19 02:46:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 122 states and 285 transitions. [2023-11-19 02:46:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 285 transitions. [2023-11-19 02:46:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:46:39,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:39,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:39,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:39,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 02:46:40,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 125 states and 292 transitions. [2023-11-19 02:46:40,956 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 292 transitions. [2023-11-19 02:46:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:46:40,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:40,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:40,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:40,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 02:46:44,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:44,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 127 states and 296 transitions. [2023-11-19 02:46:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 296 transitions. [2023-11-19 02:46:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:46:44,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:44,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:44,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 02:46:44,477 INFO L285 TraceCheckSpWp]: Computing forward predicates...