./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e7687da568dfe273ac225f01dbc8df1f76ef15d8b8e5d222cf6fab4c622d621 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:12,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:12,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:12,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:12,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:12,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:12,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:12,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:12,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:12,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:12,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:12,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:12,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:12,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:12,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:12,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:12,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:12,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:12,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:12,861 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:12,862 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:12,862 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:12,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:12,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:12,864 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:12,865 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:12,865 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:12,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:12,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:12,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:12,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:12,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:12,869 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:12,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:12,869 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:12,869 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_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e7687da568dfe273ac225f01dbc8df1f76ef15d8b8e5d222cf6fab4c622d621 [2023-11-21 18:41:13,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:13,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:13,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:13,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:13,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:13,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c [2023-11-21 18:41:16,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:16,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:16,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c [2023-11-21 18:41:16,641 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/data/1dc92c518/b6995f1cbe3f4fcfa284d344dc0e0aea/FLAGb589e9603 [2023-11-21 18:41:16,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/data/1dc92c518/b6995f1cbe3f4fcfa284d344dc0e0aea [2023-11-21 18:41:16,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:16,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:16,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:16,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:16,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:16,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:16,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13542d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16, skipping insertion in model container [2023-11-21 18:41:16,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:16,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:16,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:16,931 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:16,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:16,964 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:16,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16 WrapperNode [2023-11-21 18:41:16,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:16,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:16,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:16,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:16,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:16,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,017 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-21 18:41:17,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:17,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:17,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:17,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:17,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:17,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:17,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:17,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:17,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:17,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:17,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:17,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:17,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282243fd-5d2f-4ccd-af06-c8d4e4b57ce0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:17,197 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:17,200 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:17,472 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:17,492 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:17,493 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:41:17,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:17 BoogieIcfgContainer [2023-11-21 18:41:17,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:17,496 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:17,496 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:17,505 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:17,506 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:17,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2023-11-21 18:41:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-21 18:41:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:41:17,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:17,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-21 18:41:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-21 18:41:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:41:17,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:17,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:17,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:17,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:17,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2023-11-21 18:41:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2023-11-21 18:41:17,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:41:17,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:17,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:17,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:17,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 64 states and 75 transitions. [2023-11-21 18:41:18,077 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2023-11-21 18:41:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:41:18,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:18,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:18,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:18,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:18,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 68 states and 82 transitions. [2023-11-21 18:41:18,381 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2023-11-21 18:41:18,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:18,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:18,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:18,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:18,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 71 states and 86 transitions. [2023-11-21 18:41:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2023-11-21 18:41:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:18,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:18,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:18,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:18,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:18,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 72 states and 87 transitions. [2023-11-21 18:41:18,918 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2023-11-21 18:41:18,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:41:18,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:18,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:18,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:18,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2023-11-21 18:41:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2023-11-21 18:41:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:19,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:19,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:19,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:19,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2023-11-21 18:41:19,999 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2023-11-21 18:41:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:20,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:20,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 89 states and 114 transitions. [2023-11-21 18:41:20,139 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2023-11-21 18:41:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:20,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 92 states and 118 transitions. [2023-11-21 18:41:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2023-11-21 18:41:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:41:20,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 93 states and 120 transitions. [2023-11-21 18:41:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2023-11-21 18:41:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:20,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 95 states and 122 transitions. [2023-11-21 18:41:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2023-11-21 18:41:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:41:20,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 104 states and 135 transitions. [2023-11-21 18:41:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2023-11-21 18:41:20,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:20,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 105 states and 136 transitions. [2023-11-21 18:41:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 136 transitions. [2023-11-21 18:41:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:21,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:21,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:21,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 115 states and 149 transitions. [2023-11-21 18:41:21,604 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 149 transitions. [2023-11-21 18:41:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:21,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:21,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:21,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2023-11-21 18:41:21,995 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2023-11-21 18:41:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:21,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:22,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:22,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 119 states and 158 transitions. [2023-11-21 18:41:22,074 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 158 transitions. [2023-11-21 18:41:22,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:22,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:22,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:22,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:22,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 124 states and 171 transitions. [2023-11-21 18:41:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 171 transitions. [2023-11-21 18:41:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:23,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:23,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:23,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 126 states and 174 transitions. [2023-11-21 18:41:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 174 transitions. [2023-11-21 18:41:23,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:23,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:23,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 128 states and 176 transitions. [2023-11-21 18:41:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2023-11-21 18:41:23,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:41:23,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:23,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:24,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 131 states and 185 transitions. [2023-11-21 18:41:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 185 transitions. [2023-11-21 18:41:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:41:24,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:24,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:24,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:24,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 134 states and 190 transitions. [2023-11-21 18:41:25,107 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2023-11-21 18:41:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:41:25,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:25,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:25,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:25,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 136 states and 193 transitions. [2023-11-21 18:41:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 193 transitions. [2023-11-21 18:41:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:25,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:25,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:25,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:25,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2023-11-21 18:41:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2023-11-21 18:41:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:26,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:26,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:26,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:26,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:27,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 135 states and 192 transitions. [2023-11-21 18:41:27,038 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 192 transitions. [2023-11-21 18:41:27,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:27,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:27,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:27,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:27,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 142 states and 204 transitions. [2023-11-21 18:41:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 204 transitions. [2023-11-21 18:41:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:28,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:28,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2023-11-21 18:41:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2023-11-21 18:41:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:32,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:32,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 218 transitions. [2023-11-21 18:41:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2023-11-21 18:41:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:33,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:33,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:33,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:33,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:33,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 158 states and 227 transitions. [2023-11-21 18:41:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 227 transitions. [2023-11-21 18:41:34,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:34,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:34,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:34,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:34,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:35,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 167 states and 248 transitions. [2023-11-21 18:41:43,962 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 248 transitions. [2023-11-21 18:41:43,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:43,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:43,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 171 states and 251 transitions. [2023-11-21 18:41:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 251 transitions. [2023-11-21 18:41:47,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:47,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:47,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:47,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:47,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 173 states and 254 transitions. [2023-11-21 18:41:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 254 transitions. [2023-11-21 18:41:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:47,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:47,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:47,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:47,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 177 states and 260 transitions. [2023-11-21 18:41:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 260 transitions. [2023-11-21 18:41:52,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:52,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:52,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:52,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:52,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 187 states and 281 transitions. [2023-11-21 18:41:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 281 transitions. [2023-11-21 18:41:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:58,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:58,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:58,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:58,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 193 states and 288 transitions. [2023-11-21 18:42:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2023-11-21 18:42:03,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:42:03,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:03,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:03,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:03,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:09,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:09,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 198 states and 295 transitions. [2023-11-21 18:42:09,618 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 295 transitions. [2023-11-21 18:42:09,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:42:09,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:09,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:09,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:09,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.