./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/prodbin-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_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/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_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/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_d924b516-906b-468d-b3a0-937e659af8f6/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 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:38:59,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:38:59,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:38:59,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:38:59,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:38:59,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:38:59,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:38:59,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:38:59,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:38:59,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:38:59,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:38:59,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:38:59,719 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:38:59,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:38:59,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:38:59,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:38:59,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:38:59,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:38:59,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:38:59,723 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:38:59,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:38:59,724 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:38:59,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:38:59,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:38:59,725 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:38:59,726 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:38:59,726 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:38:59,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:38:59,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:38:59,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:38:59,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:38:59,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:38:59,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:38:59,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:38:59,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:38:59,731 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_d924b516-906b-468d-b3a0-937e659af8f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 [2023-11-19 02:39:00,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:39:00,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:39:00,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:39:00,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:39:00,102 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:39:00,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/prodbin-ll.c [2023-11-19 02:39:03,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:39:03,605 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:39:03,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/sv-benchmarks/c/nla-digbench/prodbin-ll.c [2023-11-19 02:39:03,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/data/a6ddf5ec8/17a82833ae3f43fd956049502d4cf0e4/FLAG5694d4ca8 [2023-11-19 02:39:03,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/data/a6ddf5ec8/17a82833ae3f43fd956049502d4cf0e4 [2023-11-19 02:39:03,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:39:03,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:39:03,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:03,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:39:03,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:39:03,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:03,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36fc7dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03, skipping insertion in model container [2023-11-19 02:39:03,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:03,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:39:03,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:03,911 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:39:03,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:03,959 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:39:03,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03 WrapperNode [2023-11-19 02:39:03,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:03,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:03,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:39:03,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:39:03,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:03,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,005 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-11-19 02:39:04,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:04,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:39:04,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:39:04,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:39:04,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:39:04,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:39:04,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:39:04,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:39:04,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:03" (1/1) ... [2023-11-19 02:39:04,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:39:04,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:39:04,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:39:04,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d924b516-906b-468d-b3a0-937e659af8f6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:39:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:39:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:39:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:39:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:39:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:39:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:39:04,215 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:39:04,217 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:39:04,467 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:39:04,504 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:39:04,504 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:39:04,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:04 BoogieIcfgContainer [2023-11-19 02:39:04,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:39:04,510 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:39:04,510 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:39:04,520 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:39:04,520 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:04" (1/1) ... [2023-11-19 02:39:04,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:39:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-19 02:39:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-19 02:39:04,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:39:04,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:04,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:04,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:39:04,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:04,909 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 02:39:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2023-11-19 02:39:04,952 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-11-19 02:39:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:39:04,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:04,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:04,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:39:04,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:05,048 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 02:39:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2023-11-19 02:39:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-11-19 02:39:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:39:05,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:05,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:05,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:05,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:05,442 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 02:39:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2023-11-19 02:39:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2023-11-19 02:39:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:39:05,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:05,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:05,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:05,838 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 02:39:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2023-11-19 02:39:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-19 02:39:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:39:06,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:06,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:06,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:39:06,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:06,563 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 02:39:07,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:07,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2023-11-19 02:39:07,339 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-19 02:39:07,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:39:07,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:07,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:07,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:39:07,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:07,448 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 02:39:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2023-11-19 02:39:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-11-19 02:39:08,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:39:08,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:08,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:08,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:39:08,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:08,632 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 02:39:08,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2023-11-19 02:39:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2023-11-19 02:39:09,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:39:09,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:09,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:09,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:39:09,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:09,115 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 02:39:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 96 transitions. [2023-11-19 02:39:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2023-11-19 02:39:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:39:09,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:09,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:09,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:09,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:09,466 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 02:39:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 80 states and 115 transitions. [2023-11-19 02:39:11,068 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2023-11-19 02:39:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:39:11,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:11,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:11,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:39:11,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:11,212 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 02:39:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 129 transitions. [2023-11-19 02:39:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-11-19 02:39:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:39:12,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:12,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:12,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:12,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:12,691 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 02:39:14,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:14,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 148 transitions. [2023-11-19 02:39:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2023-11-19 02:39:14,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:39:14,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:14,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:14,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:39:14,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:14,857 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 02:39:16,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:16,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 162 transitions. [2023-11-19 02:39:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2023-11-19 02:39:16,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:39:16,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:16,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:16,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:16,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:16,509 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 02:39:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 182 transitions. [2023-11-19 02:39:19,289 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2023-11-19 02:39:19,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:39:19,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:19,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:19,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:39:19,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:19,401 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 02:39:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 186 transitions. [2023-11-19 02:39:20,255 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 186 transitions. [2023-11-19 02:39:20,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:39:20,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:20,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:20,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:39:20,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:20,403 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 02:39:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 126 states and 213 transitions. [2023-11-19 02:39:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2023-11-19 02:39:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:39:23,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:23,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:23,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:23,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:23,095 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 02:39:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 130 states and 222 transitions. [2023-11-19 02:39:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2023-11-19 02:39:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:39:24,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:24,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:24,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:24,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:24,254 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 02:39:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 133 states and 227 transitions. [2023-11-19 02:39:24,839 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2023-11-19 02:39:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:39:24,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:24,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:24,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:39:24,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 246 transitions. [2023-11-19 02:39:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 246 transitions. [2023-11-19 02:39:26,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:39:26,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:26,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:26,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:26,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:26,562 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 02:39:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 141 states and 249 transitions. [2023-11-19 02:39:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 249 transitions. [2023-11-19 02:39:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:39:27,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:27,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:39:27,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:30,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 146 states and 264 transitions. [2023-11-19 02:39:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-19 02:39:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:39:30,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:30,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:30,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:39:30,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:30,609 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 02:39:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 150 states and 274 transitions. [2023-11-19 02:39:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions. [2023-11-19 02:39:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:39:31,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:31,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:31,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:31,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:39:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:32,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 154 states and 281 transitions. [2023-11-19 02:39:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 281 transitions. [2023-11-19 02:39:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:39:32,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:32,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:32,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:32,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:39:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 156 states and 283 transitions. [2023-11-19 02:39:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 283 transitions. [2023-11-19 02:39:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:39:32,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:32,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:32,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:32,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:39:34,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:34,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 159 states and 288 transitions. [2023-11-19 02:39:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 288 transitions. [2023-11-19 02:39:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:39:34,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:34,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:34,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:39:34,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:34,767 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 02:39:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 160 states and 289 transitions. [2023-11-19 02:39:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 289 transitions. [2023-11-19 02:39:35,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:39:35,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:35,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:35,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:35,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:39:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 296 transitions. [2023-11-19 02:39:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2023-11-19 02:39:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:39:36,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:36,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:36,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:36,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:39:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 167 states and 301 transitions. [2023-11-19 02:39:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 301 transitions. [2023-11-19 02:39:37,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:39:37,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:37,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:37,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:39:37,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:39:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 169 states and 303 transitions. [2023-11-19 02:39:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 303 transitions. [2023-11-19 02:39:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:39:37,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:37,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:37,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:39:37,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 180 states and 325 transitions. [2023-11-19 02:39:42,220 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 325 transitions. [2023-11-19 02:39:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:39:42,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:42,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:42,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:39:42,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:42,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:42,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 182 states and 328 transitions. [2023-11-19 02:39:42,695 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 328 transitions. [2023-11-19 02:39:42,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:39:42,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:42,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:42,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:39:42,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 185 states and 333 transitions. [2023-11-19 02:39:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 333 transitions. [2023-11-19 02:39:44,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:39:44,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:44,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:44,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:39:44,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 188 states and 347 transitions. [2023-11-19 02:39:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 347 transitions. [2023-11-19 02:39:49,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:39:49,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:49,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:49,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:39:49,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 199 states and 372 transitions. [2023-11-19 02:39:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 372 transitions. [2023-11-19 02:39:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:39:56,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:56,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms