./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps2-ll.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_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/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_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/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_4c7da9c2-a892-43cf-a829-bf8fd12a3717/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 179b0134270d97f57074f9ac11d0788729a2f9ba65b60cccc5fdcd06091925db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:23,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:23,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:09:23,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:23,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:23,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:23,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:23,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:23,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:23,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:23,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:23,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:23,946 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:23,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:23,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:23,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:23,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:23,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:23,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:23,950 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:23,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:23,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:23,952 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:23,952 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:23,952 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:23,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:23,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:23,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:23,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:23,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:23,957 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:23,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:23,957 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:23,958 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_4c7da9c2-a892-43cf-a829-bf8fd12a3717/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 179b0134270d97f57074f9ac11d0788729a2f9ba65b60cccc5fdcd06091925db [2023-11-19 04:09:24,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:24,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:24,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:24,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:24,397 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:24,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-11-19 04:09:27,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:27,892 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:27,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-11-19 04:09:27,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/data/c96d3ebea/c76004d9d32548feb5e0b4dd9ad0beb9/FLAG435e9adf6 [2023-11-19 04:09:27,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/data/c96d3ebea/c76004d9d32548feb5e0b4dd9ad0beb9 [2023-11-19 04:09:27,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:27,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:27,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:27,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:27,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:27,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:27" (1/1) ... [2023-11-19 04:09:27,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b87e0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:27, skipping insertion in model container [2023-11-19 04:09:27,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:27" (1/1) ... [2023-11-19 04:09:27,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:28,235 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_4c7da9c2-a892-43cf-a829-bf8fd12a3717/sv-benchmarks/c/nla-digbench/ps2-ll.c[454,467] [2023-11-19 04:09:28,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:28,267 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:28,279 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_4c7da9c2-a892-43cf-a829-bf8fd12a3717/sv-benchmarks/c/nla-digbench/ps2-ll.c[454,467] [2023-11-19 04:09:28,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:28,303 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:28,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28 WrapperNode [2023-11-19 04:09:28,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:28,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:28,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:28,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:28,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,345 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-11-19 04:09:28,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:28,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:28,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:28,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:28,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:28,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:28,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:28,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:28,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:28,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:28,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:28,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7da9c2-a892-43cf-a829-bf8fd12a3717/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:09:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:09:28,636 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:28,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:28,858 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:28,881 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:28,881 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:09:28,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:28 BoogieIcfgContainer [2023-11-19 04:09:28,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:28,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:28,887 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:28,900 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:28,901 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:28" (1/1) ... [2023-11-19 04:09:28,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 04:09:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 04:09:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:09:28,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:28,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:29,378 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 04:09:29,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-19 04:09:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-19 04:09:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:09:29,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-19 04:09:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-19 04:09:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:09:29,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-19 04:09:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-19 04:09:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:30,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:30,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:09:30,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:09:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-19 04:09:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-19 04:09:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:09:31,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:31,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:31,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:09:31,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 04:09:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 04:09:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:31,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:31,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:31,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:09:31,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:09:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2023-11-19 04:09:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2023-11-19 04:09:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:09:32,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:32,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:32,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:09:32,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:09:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-19 04:09:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-19 04:09:33,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:09:33,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:33,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:33,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:09:33,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:09:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-11-19 04:09:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-11-19 04:09:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:09:33,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:33,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:33,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:09:33,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 04:09:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2023-11-19 04:09:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-11-19 04:09:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:09:34,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:09:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2023-11-19 04:09:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2023-11-19 04:09:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:09:35,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:35,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:35,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 04:09:35,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 04:09:36,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-11-19 04:09:36,772 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-19 04:09:36,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 04:09:36,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:36,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:36,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 04:09:36,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 20 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:09:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-11-19 04:09:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-19 04:09:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 04:09:37,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:37,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:37,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 04:09:37,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 21 proven. 218 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 04:09:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2023-11-19 04:09:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-11-19 04:09:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 04:09:39,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:39,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:39,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 04:09:39,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 24 proven. 222 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 04:09:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:40,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2023-11-19 04:09:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2023-11-19 04:09:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 04:09:40,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:40,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 04:09:40,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 26 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 04:09:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2023-11-19 04:09:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2023-11-19 04:09:41,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 04:09:41,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:41,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 04:09:41,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:42,267 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 28 proven. 301 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 04:09:43,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 98 transitions. [2023-11-19 04:09:43,321 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2023-11-19 04:09:43,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 04:09:43,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:43,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:43,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 04:09:43,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 30 proven. 345 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 04:09:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2023-11-19 04:09:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2023-11-19 04:09:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 04:09:44,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:44,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:45,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 04:09:45,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 32 proven. 392 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 04:09:46,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2023-11-19 04:09:46,694 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2023-11-19 04:09:46,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 04:09:46,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:46,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:46,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-19 04:09:46,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 34 proven. 442 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:09:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-11-19 04:09:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-11-19 04:09:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-19 04:09:48,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:48,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:48,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 04:09:48,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 36 proven. 495 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 04:09:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2023-11-19 04:09:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2023-11-19 04:09:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-19 04:09:50,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:50,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:50,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-19 04:09:50,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 38 proven. 551 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 04:09:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 78 states and 123 transitions. [2023-11-19 04:09:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2023-11-19 04:09:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 04:09:52,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:52,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:52,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-19 04:09:52,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 39 proven. 668 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 04:09:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 81 states and 128 transitions. [2023-11-19 04:09:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 128 transitions. [2023-11-19 04:09:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 04:09:53,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:53,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:53,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 91 conjunts are in the unsatisfiable core [2023-11-19 04:09:53,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:54,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 42 proven. 672 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 04:09:55,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:55,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2023-11-19 04:09:55,684 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2023-11-19 04:09:55,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 04:09:55,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:55,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:55,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-19 04:09:55,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 44 proven. 737 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:09:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:57,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2023-11-19 04:09:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2023-11-19 04:09:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:09:57,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:57,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:57,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-19 04:09:57,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 46 proven. 805 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 04:09:59,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2023-11-19 04:09:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2023-11-19 04:09:59,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 04:09:59,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:59,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:59,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-19 04:09:59,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 48 proven. 876 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 04:10:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 148 transitions. [2023-11-19 04:10:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 148 transitions. [2023-11-19 04:10:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 04:10:01,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:01,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:02,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-19 04:10:02,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 50 proven. 950 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 04:10:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2023-11-19 04:10:04,178 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2023-11-19 04:10:04,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-19 04:10:04,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:04,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:04,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-19 04:10:04,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2379 backedges. 51 proven. 1103 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-19 04:10:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:06,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 158 transitions. [2023-11-19 04:10:06,601 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions. [2023-11-19 04:10:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-19 04:10:06,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:06,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:06,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 115 conjunts are in the unsatisfiable core [2023-11-19 04:10:06,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 54 proven. 1107 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 04:10:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 102 states and 163 transitions. [2023-11-19 04:10:09,154 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 163 transitions. [2023-11-19 04:10:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 04:10:09,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:09,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:09,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 127 conjunts are in the unsatisfiable core [2023-11-19 04:10:09,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 55 proven. 1272 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:10:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:11,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2023-11-19 04:10:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2023-11-19 04:10:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-19 04:10:11,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:11,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:12,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 123 conjunts are in the unsatisfiable core [2023-11-19 04:10:12,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 58 proven. 1276 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 04:10:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 108 states and 173 transitions. [2023-11-19 04:10:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 173 transitions. [2023-11-19 04:10:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-19 04:10:14,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:14,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:14,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 135 conjunts are in the unsatisfiable core [2023-11-19 04:10:14,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 59 proven. 1453 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-19 04:10:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 178 transitions. [2023-11-19 04:10:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 178 transitions. [2023-11-19 04:10:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-19 04:10:17,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:17,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:17,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 139 conjunts are in the unsatisfiable core [2023-11-19 04:10:17,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3379 backedges. 61 proven. 1548 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked.