./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.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_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/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_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/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_99f2d5cf-4928-4920-98ad-c050e2ae9a79/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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:58,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:59,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:16:59,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:59,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:59,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:59,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:59,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:59,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:59,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:59,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:59,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:59,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:59,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:59,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:59,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:59,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:59,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:59,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:59,071 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:59,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:59,072 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:59,072 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:59,073 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:59,073 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:59,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:59,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:59,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:59,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:59,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:59,076 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:59,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:59,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:59,077 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_99f2d5cf-4928-4920-98ad-c050e2ae9a79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2023-11-19 03:16:59,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:59,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:59,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:59,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:59,431 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:59,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2023-11-19 03:17:02,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:17:02,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:17:02,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2023-11-19 03:17:02,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/data/cc19d53f5/59bf594c1eea4641b707b79e83614ae4/FLAG8e5abf76c [2023-11-19 03:17:02,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/data/cc19d53f5/59bf594c1eea4641b707b79e83614ae4 [2023-11-19 03:17:02,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:17:02,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:17:02,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:02,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:17:02,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:17:02,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164a1ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02, skipping insertion in model container [2023-11-19 03:17:02,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,757 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:17:02,946 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_99f2d5cf-4928-4920-98ad-c050e2ae9a79/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586] [2023-11-19 03:17:02,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:02,976 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:17:02,989 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_99f2d5cf-4928-4920-98ad-c050e2ae9a79/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586] [2023-11-19 03:17:02,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:03,009 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:17:03,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03 WrapperNode [2023-11-19 03:17:03,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:03,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:03,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:17:03,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:17:03,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,046 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-19 03:17:03,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:03,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:17:03,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:17:03,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:17:03,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:17:03,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:17:03,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:17:03,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:17:03,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:03,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:17:03,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:17:03,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f2d5cf-4928-4920-98ad-c050e2ae9a79/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:17:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:17:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:17:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:17:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:17:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:17:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:17:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:17:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:17:03,248 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:17:03,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:17:03,398 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:17:03,442 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:17:03,442 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:17:03,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:03 BoogieIcfgContainer [2023-11-19 03:17:03,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:17:03,453 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:17:03,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:17:03,461 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:17:03,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:17:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:17:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:17:03,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:17:03,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:03,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:03,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:03,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:17:03,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-19 03:17:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 03:17:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:17:03,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:03,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:03,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:17:03,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:17:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-19 03:17:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-19 03:17:04,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:17:04,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:04,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:04,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:17:04,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:17:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:04,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-19 03:17:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 03:17:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:17:04,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:04,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:04,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:17:04,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:17:04,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-19 03:17:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-19 03:17:04,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:17:04,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:04,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:04,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:17:04,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:17:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 03:17:05,276 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 03:17:05,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:17:05,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:05,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:05,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:17:05,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:17:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2023-11-19 03:17:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2023-11-19 03:17:06,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:17:06,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:06,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:06,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:17:06,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:07,187 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:17:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-19 03:17:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-19 03:17:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:17:08,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:08,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:08,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:17:08,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:17:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2023-11-19 03:17:10,483 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2023-11-19 03:17:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:17:10,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:10,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:10,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:17:10,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:12,076 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:17:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:13,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-19 03:17:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-19 03:17:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:17:13,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:13,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:13,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:17:13,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 11 proven. 73 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:17:18,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2023-11-19 03:17:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2023-11-19 03:17:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:17:18,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:18,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:18,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:17:18,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:22,409 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 03:17:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 68 states and 112 transitions. [2023-11-19 03:17:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 112 transitions. [2023-11-19 03:17:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:17:28,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:28,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:28,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:17:28,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-19 03:17:35,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 119 transitions. [2023-11-19 03:17:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2023-11-19 03:17:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:17:35,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:35,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:36,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:17:36,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 17 proven. 151 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-19 03:17:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 74 states and 125 transitions. [2023-11-19 03:17:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 125 transitions. [2023-11-19 03:17:45,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:17:45,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:45,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:17:45,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:50,549 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 34 proven. 168 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-19 03:17:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 131 transitions. [2023-11-19 03:17:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 131 transitions. [2023-11-19 03:17:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 03:17:56,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:56,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:56,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:17:56,472 INFO L285 TraceCheckSpWp]: Computing forward predicates...