./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/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_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL --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 ed6536c9cb0e4b2be9a327fc4a25c6bfba6e98b1dfb78e314dd25bca8cbdb087 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:24,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:24,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:44:24,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:24,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:24,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:24,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:24,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:24,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:24,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:24,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:24,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:24,625 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:24,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:24,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:24,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:24,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:24,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:24,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:24,628 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:44:24,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:44:24,634 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:24,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:24,635 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:24,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:24,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:24,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:24,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:24,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:24,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:24,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:24,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:24,640 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:24,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:24,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:24,641 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_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed6536c9cb0e4b2be9a327fc4a25c6bfba6e98b1dfb78e314dd25bca8cbdb087 [2023-11-19 02:44:24,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:24,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:24,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:24,993 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:24,994 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:24,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/egcd2-ll.c [2023-11-19 02:44:28,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:28,308 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:28,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/sv-benchmarks/c/nla-digbench/egcd2-ll.c [2023-11-19 02:44:28,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/data/5d2294623/b0bd36928231478dbe7fc297de08e8b2/FLAGe39f4c6d9 [2023-11-19 02:44:28,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/data/5d2294623/b0bd36928231478dbe7fc297de08e8b2 [2023-11-19 02:44:28,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:28,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:28,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:28,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:28,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:28,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234bd77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28, skipping insertion in model container [2023-11-19 02:44:28,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:28,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:28,581 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:28,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:28,625 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:28,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28 WrapperNode [2023-11-19 02:44:28,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:28,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:28,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:28,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:28,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,685 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2023-11-19 02:44:28,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:28,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:28,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:28,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:28,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:28,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:28,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:28,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:28,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:28,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:28,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:28,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2d8cf1-e81f-49b5-aaa8-56f2bd346fa4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:44:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:44:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:44:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:44:28,904 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:28,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:29,472 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:29,509 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:29,509 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:44:29,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:29 BoogieIcfgContainer [2023-11-19 02:44:29,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:29,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:29,531 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:29,542 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:29,542 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 151 states and 162 transitions. [2023-11-19 02:44:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 162 transitions. [2023-11-19 02:44:29,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:44:29,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:29,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:29,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:44:29,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:29,975 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 02:44:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:30,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 150 states and 161 transitions. [2023-11-19 02:44:30,126 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 161 transitions. [2023-11-19 02:44:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:44:30,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:30,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:30,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:44:30,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:44:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 149 states and 160 transitions. [2023-11-19 02:44:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 160 transitions. [2023-11-19 02:44:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:44:30,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:30,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:30,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:44:30,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:30,562 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 02:44:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 148 states and 159 transitions. [2023-11-19 02:44:30,574 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2023-11-19 02:44:30,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:44:30,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:30,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:30,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:44:30,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:44:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 147 states and 158 transitions. [2023-11-19 02:44:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2023-11-19 02:44:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:44:30,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:30,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:30,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:44:30,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 147 states and 157 transitions. [2023-11-19 02:44:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2023-11-19 02:44:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:44:30,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:30,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:30,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:30,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 150 states and 162 transitions. [2023-11-19 02:44:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 162 transitions. [2023-11-19 02:44:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:44:31,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:31,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:31,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:31,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 151 states and 163 transitions. [2023-11-19 02:44:31,441 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 163 transitions. [2023-11-19 02:44:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:44:31,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:31,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:31,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:31,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 153 states and 165 transitions. [2023-11-19 02:44:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2023-11-19 02:44:31,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:44:31,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:31,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:31,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:31,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 158 states and 173 transitions. [2023-11-19 02:44:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 173 transitions. [2023-11-19 02:44:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:44:32,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:32,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:32,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:32,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:32,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:32,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 159 states and 174 transitions. [2023-11-19 02:44:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 174 transitions. [2023-11-19 02:44:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:44:32,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:32,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:32,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:44:32,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:32,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 165 states and 184 transitions. [2023-11-19 02:44:34,112 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 184 transitions. [2023-11-19 02:44:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:44:34,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:34,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:34,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:44:34,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:35,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:35,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 171 states and 196 transitions. [2023-11-19 02:44:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 196 transitions. [2023-11-19 02:44:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:44:35,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:35,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:35,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:35,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:36,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 174 states and 201 transitions. [2023-11-19 02:44:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 201 transitions. [2023-11-19 02:44:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:44:36,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:36,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:36,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:44:36,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 181 states and 215 transitions. [2023-11-19 02:44:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 215 transitions. [2023-11-19 02:44:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:44:37,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:37,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:37,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:38,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 182 states and 216 transitions. [2023-11-19 02:44:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 216 transitions. [2023-11-19 02:44:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:44:38,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:38,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:38,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:38,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 191 states and 234 transitions. [2023-11-19 02:44:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 234 transitions. [2023-11-19 02:44:40,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:44:40,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:40,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:40,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:40,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:40,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:42,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 201 states and 253 transitions. [2023-11-19 02:44:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 253 transitions. [2023-11-19 02:44:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:44:42,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:42,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:42,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:42,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:42,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:42,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 202 states and 254 transitions. [2023-11-19 02:44:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 254 transitions. [2023-11-19 02:44:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:44:42,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:42,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:42,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:42,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 213 states and 275 transitions. [2023-11-19 02:44:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 275 transitions. [2023-11-19 02:44:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:44:45,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:45,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:45,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 222 states and 292 transitions. [2023-11-19 02:44:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 292 transitions. [2023-11-19 02:44:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:44:46,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:46,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:46,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:46,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 232 states and 310 transitions. [2023-11-19 02:44:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 310 transitions. [2023-11-19 02:44:48,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:44:48,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:48,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:48,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:48,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:48,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 242 states and 329 transitions. [2023-11-19 02:44:48,880 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 329 transitions. [2023-11-19 02:44:48,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:44:48,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:48,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:48,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:48,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 243 states and 330 transitions. [2023-11-19 02:44:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 330 transitions. [2023-11-19 02:44:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:44:48,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:48,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:49,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:49,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:49,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 246 states and 335 transitions. [2023-11-19 02:44:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 335 transitions. [2023-11-19 02:44:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:44:49,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:49,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:49,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:49,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 249 states and 339 transitions. [2023-11-19 02:44:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 339 transitions. [2023-11-19 02:44:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:44:50,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:50,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:50,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:50,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 250 states and 340 transitions. [2023-11-19 02:44:50,877 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 340 transitions. [2023-11-19 02:44:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:44:50,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:50,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:50,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:50,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:51,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 251 states and 341 transitions. [2023-11-19 02:44:51,024 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 341 transitions. [2023-11-19 02:44:51,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:44:51,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:51,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:51,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:51,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:44:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 265 states and 363 transitions. [2023-11-19 02:44:52,928 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 363 transitions. [2023-11-19 02:44:52,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:44:52,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:52,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:52,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:52,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:44:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 266 states and 364 transitions. [2023-11-19 02:44:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 364 transitions. [2023-11-19 02:44:53,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:44:53,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:53,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:53,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:53,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:44:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 282 states and 389 transitions. [2023-11-19 02:44:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 389 transitions. [2023-11-19 02:44:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:44:55,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:55,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:55,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:55,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:44:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 301 states and 420 transitions. [2023-11-19 02:44:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 420 transitions. [2023-11-19 02:44:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:44:59,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:59,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:59,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:59,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:45:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 304 states and 425 transitions. [2023-11-19 02:45:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 425 transitions. [2023-11-19 02:45:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:45:00,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:00,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:45:00,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:45:00,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 305 states and 426 transitions. [2023-11-19 02:45:00,385 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 426 transitions. [2023-11-19 02:45:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:45:00,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:00,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:45:00,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:45:00,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 307 states and 429 transitions. [2023-11-19 02:45:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 429 transitions. [2023-11-19 02:45:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:45:00,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:00,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:45:00,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:45:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 308 states and 430 transitions. [2023-11-19 02:45:00,604 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 430 transitions. [2023-11-19 02:45:00,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:45:00,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:00,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:00,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:45:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 333 states and 470 transitions. [2023-11-19 02:45:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 470 transitions. [2023-11-19 02:45:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:45:08,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:08,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:08,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:08,760 INFO L285 TraceCheckSpWp]: Computing forward predicates...