./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.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_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/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_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/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_14e4bef2-118e-477f-98bf-97ece8a2c388/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 04:02:06,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:06,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:02:06,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:06,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:06,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:06,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:06,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:06,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:06,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:06,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:06,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:06,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:06,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:06,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:06,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:06,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:06,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:06,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:06,907 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:06,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:06,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:06,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:06,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:06,911 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:06,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:06,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:06,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:06,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:06,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:06,916 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:06,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:06,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:06,917 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_14e4bef2-118e-477f-98bf-97ece8a2c388/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2023-11-19 04:02:07,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:07,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:07,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:07,338 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:07,353 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:07,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c [2023-11-19 04:02:10,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:10,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:10,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c [2023-11-19 04:02:10,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/data/f687585bc/f735829578914881aaa543a35628e884/FLAGcd92769e2 [2023-11-19 04:02:10,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/data/f687585bc/f735829578914881aaa543a35628e884 [2023-11-19 04:02:10,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:10,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:10,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:10,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:10,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:10,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:10" (1/1) ... [2023-11-19 04:02:10,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47056505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:10, skipping insertion in model container [2023-11-19 04:02:10,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:10" (1/1) ... [2023-11-19 04:02:10,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:11,002 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_14e4bef2-118e-477f-98bf-97ece8a2c388/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c[573,586] [2023-11-19 04:02:11,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:11,041 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:11,063 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_14e4bef2-118e-477f-98bf-97ece8a2c388/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c[573,586] [2023-11-19 04:02:11,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:11,089 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:11,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11 WrapperNode [2023-11-19 04:02:11,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:11,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:11,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:11,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:11,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,144 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-19 04:02:11,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:11,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:11,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:11,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:11,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:11,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:11,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:11,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:11,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:11,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:11,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:11,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e4bef2-118e-477f-98bf-97ece8a2c388/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:02:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:02:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:02:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:02:11,388 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:11,390 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:11,522 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:11,562 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:11,563 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:02:11,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:11 BoogieIcfgContainer [2023-11-19 04:02:11,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:11,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:11,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:11,581 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:11,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:11" (1/1) ... [2023-11-19 04:02:11,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 04:02:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 04:02:11,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:02:11,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:11,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:11,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:11,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:11,875 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 04:02:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-19 04:02:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 04:02:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:02:11,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:11,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:12,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:02:12,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:12,172 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 04:02:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-19 04:02:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-19 04:02:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:02:12,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:12,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:12,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:02:12,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:12,489 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 04:02:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-19 04:02:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 04:02:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:02:12,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:12,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:12,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:02:12,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:13,006 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 04:02:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-19 04:02:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-19 04:02:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:02:13,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:13,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:13,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:02:13,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:13,375 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 04:02:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 04:02:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 04:02:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:02:13,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:13,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:13,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:02:13,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:14,239 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 04:02:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2023-11-19 04:02:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2023-11-19 04:02:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:02:14,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:14,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:14,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:02:14,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:15,716 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 04:02:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:16,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-19 04:02:16,773 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-19 04:02:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:02:16,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:16,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:16,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:02:16,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 04:02:21,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 79 transitions. [2023-11-19 04:02:21,989 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2023-11-19 04:02:21,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:02:21,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:21,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:22,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:02:22,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:24,197 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 04:02:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 53 states and 86 transitions. [2023-11-19 04:02:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2023-11-19 04:02:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:02:26,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:26,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:26,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:02:26,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:29,238 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 04:02:31,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 92 transitions. [2023-11-19 04:02:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2023-11-19 04:02:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:02:31,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:31,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:32,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:02:32,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:36,058 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 04:02:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 108 transitions. [2023-11-19 04:02:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 108 transitions. [2023-11-19 04:02:41,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:02:41,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:41,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:41,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:02:41,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:45,407 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 04:02:50,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:50,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 115 transitions. [2023-11-19 04:02:50,203 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 115 transitions. [2023-11-19 04:02:50,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 04:02:50,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:50,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:50,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:02:50,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:55,990 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 29 proven. 139 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-19 04:03:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 71 states and 121 transitions. [2023-11-19 04:03:01,714 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 121 transitions. [2023-11-19 04:03:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 04:03:01,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:01,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:01,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:03:01,875 INFO L285 TraceCheckSpWp]: Computing forward predicates...