./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/hard2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/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_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/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_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/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 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:21,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:21,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:34:21,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:21,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:21,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:21,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:21,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:21,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:21,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:21,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:21,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:21,577 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:21,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:21,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:21,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:21,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:21,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:21,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:21,582 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:34:21,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:21,583 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:21,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:21,584 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:21,585 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:21,585 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:21,586 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:21,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:21,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:21,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:21,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:21,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:21,589 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:21,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:21,590 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:21,591 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_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 [2023-11-19 03:34:21,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:21,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:21,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:21,988 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:21,989 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:21,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/hard2.c [2023-11-19 03:34:25,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:25,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:25,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/sv-benchmarks/c/nla-digbench/hard2.c [2023-11-19 03:34:25,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/data/428d1f3c4/216515e5046b4ff29a1e9e40f1d1e75c/FLAG2d1e7f731 [2023-11-19 03:34:25,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/data/428d1f3c4/216515e5046b4ff29a1e9e40f1d1e75c [2023-11-19 03:34:25,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:25,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:25,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:25,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:25,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:25,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329a0a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25, skipping insertion in model container [2023-11-19 03:34:25,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,725 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:25,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:25,949 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:25,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:25,992 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:25,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25 WrapperNode [2023-11-19 03:34:25,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:25,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:25,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:25,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:26,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,075 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-19 03:34:26,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:26,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:26,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:26,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:26,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:26,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:26,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:26,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:26,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:26,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:26,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:26,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:26,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffaf4e1-7b81-4ba7-b6ad-fe03b5295d59/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:34:26,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:34:26,299 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:26,302 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:26,787 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:26,848 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:26,848 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:34:26,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:26 BoogieIcfgContainer [2023-11-19 03:34:26,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:26,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:26,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:26,876 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:26,877 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:26" (1/1) ... [2023-11-19 03:34:26,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-19 03:34:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-19 03:34:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:34:27,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:27,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:27,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:34:27,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:34:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:27,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-19 03:34:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-19 03:34:27,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:34:27,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:27,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:27,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:27,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:34:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-19 03:34:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-19 03:34:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:34:27,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:27,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:27,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:27,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:34:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-19 03:34:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-19 03:34:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:34:27,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:27,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:27,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:27,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:34:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-19 03:34:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-19 03:34:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:34:28,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:28,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:28,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:28,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:28,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:34:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-19 03:34:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-19 03:34:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:34:28,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:28,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:28,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:28,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:34:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-19 03:34:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-19 03:34:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:34:28,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:28,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:28,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:28,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:34:28,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:28,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-19 03:34:28,938 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-19 03:34:28,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:34:28,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:28,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:28,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:34:28,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:29,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:34:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-19 03:34:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-19 03:34:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:34:29,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:29,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:29,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:29,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:34:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-19 03:34:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-19 03:34:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:34:29,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:29,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:30,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:34:30,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:34:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-19 03:34:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-19 03:34:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:34:30,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:30,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:30,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:30,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:34:31,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 106 states and 158 transitions. [2023-11-19 03:34:31,236 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2023-11-19 03:34:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:34:31,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:31,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:31,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:34:31,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:31,346 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 03:34:31,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:31,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 173 transitions. [2023-11-19 03:34:31,979 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 173 transitions. [2023-11-19 03:34:31,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:34:31,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:31,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:32,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:34:32,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:32,081 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 03:34:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 121 states and 189 transitions. [2023-11-19 03:34:32,840 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 189 transitions. [2023-11-19 03:34:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:34:32,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:32,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:32,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:32,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:34:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 203 transitions. [2023-11-19 03:34:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 203 transitions. [2023-11-19 03:34:33,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:34:33,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:33,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:33,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:33,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:34:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 134 states and 216 transitions. [2023-11-19 03:34:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 216 transitions. [2023-11-19 03:34:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:34:34,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:34,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:34,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:34,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:34,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:34:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 141 states and 227 transitions. [2023-11-19 03:34:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 227 transitions. [2023-11-19 03:34:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:34:35,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:35,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:35,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:35,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:35,641 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:34:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 151 states and 243 transitions. [2023-11-19 03:34:36,945 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 243 transitions. [2023-11-19 03:34:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:34:36,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:36,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:37,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:37,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:34:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:37,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 152 states and 244 transitions. [2023-11-19 03:34:37,069 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 244 transitions. [2023-11-19 03:34:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:34:37,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:37,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:37,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:37,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:34:37,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 160 states and 255 transitions. [2023-11-19 03:34:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 255 transitions. [2023-11-19 03:34:37,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:34:37,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:37,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:38,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:34:38,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:34:38,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:38,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 168 states and 266 transitions. [2023-11-19 03:34:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 266 transitions. [2023-11-19 03:34:38,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:34:38,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:38,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:38,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:38,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:34:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 182 states and 286 transitions. [2023-11-19 03:34:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 286 transitions. [2023-11-19 03:34:40,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:34:40,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:40,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:40,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:40,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 03:34:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 191 states and 298 transitions. [2023-11-19 03:34:40,852 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2023-11-19 03:34:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:34:40,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:40,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:40,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:34:40,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:34:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 202 states and 325 transitions. [2023-11-19 03:34:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 325 transitions. [2023-11-19 03:34:42,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:34:42,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:42,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:42,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:42,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:34:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 207 states and 337 transitions. [2023-11-19 03:34:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 337 transitions. [2023-11-19 03:34:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:34:42,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:42,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:42,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:42,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:34:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 210 states and 344 transitions. [2023-11-19 03:34:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 344 transitions. [2023-11-19 03:34:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:34:44,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:44,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:44,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:44,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:34:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 216 states and 358 transitions. [2023-11-19 03:34:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 358 transitions. [2023-11-19 03:34:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:34:45,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:45,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:45,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:34:45,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 03:34:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 223 states and 371 transitions. [2023-11-19 03:34:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 371 transitions. [2023-11-19 03:34:47,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:34:47,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:47,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:47,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:34:47,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 03:34:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 228 states and 384 transitions. [2023-11-19 03:34:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 384 transitions. [2023-11-19 03:34:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:34:49,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:49,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:49,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:34:49,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:34:50,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 233 states and 398 transitions. [2023-11-19 03:34:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 398 transitions. [2023-11-19 03:34:50,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:34:50,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:50,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:50,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:34:50,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:34:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 239 states and 408 transitions. [2023-11-19 03:34:51,911 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 408 transitions. [2023-11-19 03:34:51,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:34:51,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:51,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:51,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:34:51,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:34:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 244 states and 421 transitions. [2023-11-19 03:34:52,667 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 421 transitions. [2023-11-19 03:34:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:34:52,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:52,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:52,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:34:52,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:34:54,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 255 states and 440 transitions. [2023-11-19 03:34:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 440 transitions. [2023-11-19 03:34:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:34:54,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:54,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:54,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:34:54,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:34:58,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 267 states and 460 transitions. [2023-11-19 03:34:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 460 transitions. [2023-11-19 03:34:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:34:58,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:58,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:58,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:58,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:34:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 272 states and 467 transitions. [2023-11-19 03:34:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 467 transitions. [2023-11-19 03:34:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:34:59,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:59,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:59,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:34:59,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:34:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:35:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 280 states and 480 transitions. [2023-11-19 03:35:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 480 transitions. [2023-11-19 03:35:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:35:00,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:00,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:00,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:35:00,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:35:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 287 states and 490 transitions. [2023-11-19 03:35:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 490 transitions. [2023-11-19 03:35:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:35:01,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:01,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:01,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:35:01,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:03,887 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:35:06,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 301 states and 512 transitions. [2023-11-19 03:35:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 512 transitions. [2023-11-19 03:35:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:35:06,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:06,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:35:06,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 03:35:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:07,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 310 states and 523 transitions. [2023-11-19 03:35:07,099 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 523 transitions. [2023-11-19 03:35:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:35:07,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:07,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:07,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:35:07,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:35:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 321 states and 555 transitions. [2023-11-19 03:35:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 555 transitions. [2023-11-19 03:35:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:35:08,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:08,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:08,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:35:08,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:35:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 325 states and 570 transitions. [2023-11-19 03:35:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 570 transitions. [2023-11-19 03:35:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:35:10,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:10,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:35:10,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 03:35:11,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 324 states and 569 transitions. [2023-11-19 03:35:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 569 transitions. [2023-11-19 03:35:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:35:11,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:11,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:11,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:35:11,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:35:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 326 states and 576 transitions. [2023-11-19 03:35:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 576 transitions. [2023-11-19 03:35:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:35:13,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:13,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:13,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:35:13,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:35:15,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 332 states and 591 transitions. [2023-11-19 03:35:15,311 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 591 transitions. [2023-11-19 03:35:15,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:35:15,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:15,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:15,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:35:15,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 03:35:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 339 states and 604 transitions. [2023-11-19 03:35:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 604 transitions. [2023-11-19 03:35:16,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:35:16,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:16,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:16,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:35:16,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:35:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.