./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/hard-ll.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_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/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_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/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_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/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 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:04:29,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:04:29,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:04:29,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:04:29,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:04:29,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:04:29,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:04:29,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:04:29,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:04:29,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:04:29,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:04:29,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:04:29,956 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:04:29,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:04:29,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:04:29,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:04:29,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:04:29,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:04:29,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:04:29,961 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:04:29,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:04:29,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:04:29,963 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:04:29,964 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:04:29,964 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:04:29,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:04:29,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:29,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:04:29,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:04:29,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:04:29,969 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:04:29,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:04:29,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:04:29,970 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_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 [2023-11-19 03:04:30,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:04:30,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:04:30,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:04:30,322 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:04:30,323 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:04:30,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/hard-ll.c [2023-11-19 03:04:33,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:04:34,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:04:34,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/sv-benchmarks/c/nla-digbench/hard-ll.c [2023-11-19 03:04:34,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/data/06bbb3608/4cf3c0206e46472eb99b9617d72b3cdc/FLAG5ae2dba95 [2023-11-19 03:04:34,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/data/06bbb3608/4cf3c0206e46472eb99b9617d72b3cdc [2023-11-19 03:04:34,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:04:34,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:04:34,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:34,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:04:34,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:04:34,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343230d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34, skipping insertion in model container [2023-11-19 03:04:34,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:04:34,435 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_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/sv-benchmarks/c/nla-digbench/hard-ll.c[538,551] [2023-11-19 03:04:34,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:34,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:04:34,504 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_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/sv-benchmarks/c/nla-digbench/hard-ll.c[538,551] [2023-11-19 03:04:34,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:34,545 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:04:34,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34 WrapperNode [2023-11-19 03:04:34,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:34,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:34,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:04:34,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:04:34,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,619 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2023-11-19 03:04:34,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:34,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:04:34,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:04:34,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:04:34,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:04:34,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:04:34,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:04:34,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:04:34,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:34" (1/1) ... [2023-11-19 03:04:34,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:34,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:04:34,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:04:34,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccf8644-bdfb-4283-8f2c-d7ccde3f3b83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:04:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:04:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:04:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:04:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:04:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:04:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:04:34,955 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:04:34,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:04:35,188 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:04:35,277 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:04:35,278 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:04:35,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:35 BoogieIcfgContainer [2023-11-19 03:04:35,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:04:35,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:04:35,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:04:35,299 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:04:35,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:35" (1/1) ... [2023-11-19 03:04:35,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:04:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:04:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:04:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:04:35,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:35,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:35,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2023-11-19 03:04:35,952 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-19 03:04:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:04:35,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:35,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2023-11-19 03:04:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2023-11-19 03:04:36,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:04:36,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:36,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:36,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:04:36,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:04:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2023-11-19 03:04:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2023-11-19 03:04:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:04:37,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:37,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:37,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:04:37,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:04:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 54 transitions. [2023-11-19 03:04:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-11-19 03:04:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:04:37,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:37,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:37,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:04:37,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:04:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 63 transitions. [2023-11-19 03:04:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-11-19 03:04:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:04:37,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:37,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:37,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:04:37,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:04:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 71 transitions. [2023-11-19 03:04:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2023-11-19 03:04:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:04:39,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:39,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:39,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:04:39,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:04:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 80 transitions. [2023-11-19 03:04:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2023-11-19 03:04:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:04:39,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:39,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:39,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:39,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:39,705 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:04:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 81 transitions. [2023-11-19 03:04:39,974 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2023-11-19 03:04:39,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:04:39,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:39,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:40,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:40,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:04:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 85 transitions. [2023-11-19 03:04:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2023-11-19 03:04:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:04:40,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:40,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:40,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:04:40,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-19 03:04:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:41,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 49 states and 84 transitions. [2023-11-19 03:04:41,064 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2023-11-19 03:04:41,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:04:41,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:41,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:41,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:04:41,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-19 03:04:41,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 89 transitions. [2023-11-19 03:04:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 03:04:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:04:41,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:41,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:42,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:04:42,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 03:04:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:43,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 56 states and 99 transitions. [2023-11-19 03:04:43,924 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 99 transitions. [2023-11-19 03:04:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:04:43,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:43,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:43,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:43,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:04:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 110 transitions. [2023-11-19 03:04:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 110 transitions. [2023-11-19 03:04:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:04:45,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:45,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:45,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:04:45,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:04:47,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:47,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 66 states and 128 transitions. [2023-11-19 03:04:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 128 transitions. [2023-11-19 03:04:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:04:47,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:47,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:47,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:04:47,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:04:48,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 132 transitions. [2023-11-19 03:04:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2023-11-19 03:04:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:04:48,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:48,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:48,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:04:48,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-19 03:04:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 68 states and 131 transitions. [2023-11-19 03:04:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 131 transitions. [2023-11-19 03:04:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:04:49,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:49,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:49,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:04:49,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 19 proven. 37 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 03:04:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 70 states and 135 transitions. [2023-11-19 03:04:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2023-11-19 03:04:52,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:04:52,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:52,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:52,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:04:52,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:04:53,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:53,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 70 states and 134 transitions. [2023-11-19 03:04:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 134 transitions. [2023-11-19 03:04:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:04:53,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:53,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:53,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:04:53,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 03:04:56,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 75 states and 144 transitions. [2023-11-19 03:04:56,712 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2023-11-19 03:04:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:04:56,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:56,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:56,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:04:56,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 03:04:58,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 75 states and 143 transitions. [2023-11-19 03:04:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 143 transitions. [2023-11-19 03:04:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:04:58,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:58,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:58,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:04:58,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:05:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:01,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 81 states and 161 transitions. [2023-11-19 03:05:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2023-11-19 03:05:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:05:01,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:01,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:01,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:05:01,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:05:02,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 83 states and 166 transitions. [2023-11-19 03:05:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 166 transitions. [2023-11-19 03:05:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:05:02,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:02,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:02,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:05:02,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 32 proven. 25 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-19 03:05:03,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 83 states and 165 transitions. [2023-11-19 03:05:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 165 transitions. [2023-11-19 03:05:03,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 03:05:03,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:03,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:03,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:05:03,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 26 proven. 23 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 03:05:06,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 86 states and 177 transitions. [2023-11-19 03:05:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 177 transitions. [2023-11-19 03:05:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 03:05:06,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:06,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:06,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:05:06,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 03:05:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 87 states and 179 transitions. [2023-11-19 03:05:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 179 transitions. [2023-11-19 03:05:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:05:07,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:07,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:07,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:05:07,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 27 proven. 86 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 03:05:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 92 states and 190 transitions. [2023-11-19 03:05:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 190 transitions. [2023-11-19 03:05:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:05:10,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:10,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:10,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:05:10,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 27 proven. 65 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 03:05:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 94 states and 194 transitions. [2023-11-19 03:05:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 194 transitions. [2023-11-19 03:05:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:05:12,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:12,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:12,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:05:12,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 27 proven. 65 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 03:05:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:13,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 96 states and 198 transitions. [2023-11-19 03:05:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 198 transitions. [2023-11-19 03:05:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:05:13,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:13,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:13,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:05:13,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 28 proven. 32 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 03:05:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 102 states and 217 transitions. [2023-11-19 03:05:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 217 transitions. [2023-11-19 03:05:17,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:05:17,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:17,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:17,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:05:17,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 27 proven. 72 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 03:05:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 103 states and 218 transitions. [2023-11-19 03:05:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 218 transitions. [2023-11-19 03:05:18,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:05:18,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:18,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:18,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:05:18,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:05:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 105 states and 223 transitions. [2023-11-19 03:05:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 223 transitions. [2023-11-19 03:05:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:05:19,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:19,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:19,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:05:19,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:19,663 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked.