./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.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_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/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_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/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_85fc52d0-dc7c-463e-884e-4558a94324d3/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 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:03,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:03,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:44:03,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:03,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:03,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:03,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:03,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:03,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:03,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:03,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:03,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:03,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:03,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:03,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:03,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:03,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:03,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:03,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:03,661 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:44:03,661 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:44:03,662 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:03,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:03,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:03,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:03,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:03,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:03,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:03,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:03,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:03,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:03,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:03,667 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:03,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:03,667 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:03,668 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_85fc52d0-dc7c-463e-884e-4558a94324d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac [2023-11-19 02:44:03,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:03,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:03,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:03,961 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:03,961 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:03,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2023-11-19 02:44:06,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:07,158 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:07,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2023-11-19 02:44:07,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/data/3de90af79/039a540d13fc4010acbcf9039cefbf23/FLAGd4d37c4fd [2023-11-19 02:44:07,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/data/3de90af79/039a540d13fc4010acbcf9039cefbf23 [2023-11-19 02:44:07,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:07,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:07,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:07,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:07,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:07,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33660c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07, skipping insertion in model container [2023-11-19 02:44:07,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,214 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:07,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:07,391 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:07,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:07,430 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:07,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07 WrapperNode [2023-11-19 02:44:07,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:07,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:07,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:07,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:07,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,469 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-19 02:44:07,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:07,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:07,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:07,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:07,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:07,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:07,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:07,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:07,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:07" (1/1) ... [2023-11-19 02:44:07,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:07,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:07,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:07,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fc52d0-dc7c-463e-884e-4558a94324d3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:44:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:44:07,632 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:07,634 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:07,968 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:07,996 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:07,996 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:44:08,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:08 BoogieIcfgContainer [2023-11-19 02:44:08,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:08,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:08,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:08,028 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:08,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:08" (1/1) ... [2023-11-19 02:44:08,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2023-11-19 02:44:08,092 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2023-11-19 02:44:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:44:08,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,207 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 02:44:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-19 02:44:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-19 02:44:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:44:08,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,377 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 02:44:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-19 02:44:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-19 02:44:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:44:08,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,499 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 02:44:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-19 02:44:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-19 02:44:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:44:08,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,582 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 02:44:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2023-11-19 02:44:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-11-19 02:44:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:44:08,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,753 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 02:44:08,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2023-11-19 02:44:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2023-11-19 02:44:08,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:44:08,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,818 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 02:44:08,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-19 02:44:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-19 02:44:08,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:44:08,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,859 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 02:44:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-19 02:44:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-19 02:44:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:44:08,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,901 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 02:44:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 130 states and 140 transitions. [2023-11-19 02:44:08,919 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2023-11-19 02:44:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:44:08,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,995 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 02:44:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2023-11-19 02:44:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2023-11-19 02:44:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:44:09,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:09,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:09,093 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 02:44:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:09,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2023-11-19 02:44:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2023-11-19 02:44:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:44:09,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:09,165 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 02:44:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:09,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-19 02:44:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-19 02:44:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:44:09,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:09,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:09,206 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 02:44:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-19 02:44:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-19 02:44:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:44:09,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:09,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:09,232 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 02:44:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:09,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-19 02:44:09,239 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-19 02:44:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:44:09,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:09,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:09,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:09,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:09,313 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 02:44:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2023-11-19 02:44:09,332 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-19 02:44:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:44:09,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:09,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:09,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:44:09,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-19 02:44:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-19 02:44:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:44:09,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:09,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:09,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:09,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:09,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-19 02:44:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-19 02:44:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:44:09,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:09,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:09,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:09,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 172 states and 194 transitions. [2023-11-19 02:44:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 194 transitions. [2023-11-19 02:44:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:44:10,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:10,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:10,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:10,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 192 states and 220 transitions. [2023-11-19 02:44:11,211 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2023-11-19 02:44:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:44:11,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:11,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:11,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:11,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 195 states and 224 transitions. [2023-11-19 02:44:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 224 transitions. [2023-11-19 02:44:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:44:11,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:11,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:11,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:11,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 198 states and 228 transitions. [2023-11-19 02:44:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 228 transitions. [2023-11-19 02:44:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:44:11,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:11,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:11,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:11,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 200 states and 232 transitions. [2023-11-19 02:44:12,206 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2023-11-19 02:44:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:44:12,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:12,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:12,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:12,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:12,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:12,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 203 states and 237 transitions. [2023-11-19 02:44:12,501 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 237 transitions. [2023-11-19 02:44:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:44:12,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:12,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:12,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:12,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:13,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 205 states and 240 transitions. [2023-11-19 02:44:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2023-11-19 02:44:13,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:44:13,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:13,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:13,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:13,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 209 states and 245 transitions. [2023-11-19 02:44:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 245 transitions. [2023-11-19 02:44:13,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:44:13,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:13,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:13,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:13,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:14,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:14,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 210 states and 247 transitions. [2023-11-19 02:44:14,121 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 247 transitions. [2023-11-19 02:44:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:44:14,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:14,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:14,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:14,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 212 states and 250 transitions. [2023-11-19 02:44:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 250 transitions. [2023-11-19 02:44:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:44:14,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:14,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:14,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:14,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:14,579 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 02:44:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 222 states and 266 transitions. [2023-11-19 02:44:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 266 transitions. [2023-11-19 02:44:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:44:15,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:15,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:15,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:15,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:15,521 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 02:44:15,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 223 states and 267 transitions. [2023-11-19 02:44:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 267 transitions. [2023-11-19 02:44:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:44:15,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:15,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:15,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:15,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:15,687 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 02:44:16,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 234 states and 284 transitions. [2023-11-19 02:44:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2023-11-19 02:44:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:44:16,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:16,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:16,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:16,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:16,783 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 02:44:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 236 states and 286 transitions. [2023-11-19 02:44:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 286 transitions. [2023-11-19 02:44:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:44:16,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:16,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:16,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:16,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:17,005 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 02:44:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 235 states and 285 transitions. [2023-11-19 02:44:17,091 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 285 transitions. [2023-11-19 02:44:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:44:17,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:17,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:17,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:17,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:17,175 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 02:44:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 240 states and 295 transitions. [2023-11-19 02:44:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 295 transitions. [2023-11-19 02:44:17,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:44:17,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:17,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:17,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:17,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:17,830 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 02:44:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 239 states and 294 transitions. [2023-11-19 02:44:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 294 transitions. [2023-11-19 02:44:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:44:17,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:17,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:17,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:17,955 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 02:44:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 245 states and 305 transitions. [2023-11-19 02:44:18,661 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 305 transitions. [2023-11-19 02:44:18,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:44:18,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:18,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:18,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:18,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:18,950 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 02:44:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 255 states and 322 transitions. [2023-11-19 02:44:20,511 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 322 transitions. [2023-11-19 02:44:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:44:20,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:20,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:20,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:20,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:20,761 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 02:44:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 270 states and 345 transitions. [2023-11-19 02:44:22,296 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2023-11-19 02:44:22,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:44:22,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:22,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:22,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:22,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:22,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:22,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:22,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 269 states and 344 transitions. [2023-11-19 02:44:22,497 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 344 transitions. [2023-11-19 02:44:22,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:22,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:22,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:22,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:22,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 268 states and 343 transitions. [2023-11-19 02:44:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 343 transitions. [2023-11-19 02:44:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:44:22,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:22,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:22,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 304 states and 420 transitions. [2023-11-19 02:44:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 420 transitions. [2023-11-19 02:44:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:44:24,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:24,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:25,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:25,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 303 states and 419 transitions. [2023-11-19 02:44:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 419 transitions. [2023-11-19 02:44:25,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:25,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:25,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:25,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:25,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:28,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:28,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 340 states and 498 transitions. [2023-11-19 02:44:28,508 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 498 transitions. [2023-11-19 02:44:28,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:44:28,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:28,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:28,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:28,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 339 states and 497 transitions. [2023-11-19 02:44:28,637 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 497 transitions. [2023-11-19 02:44:28,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:44:28,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:28,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:28,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:44:28,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:28,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:28,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 338 states and 496 transitions. [2023-11-19 02:44:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 496 transitions. [2023-11-19 02:44:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:44:28,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:28,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:28,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:28,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 364 states and 533 transitions. [2023-11-19 02:44:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 533 transitions. [2023-11-19 02:44:32,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:44:32,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:32,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:32,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:32,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 367 states and 536 transitions. [2023-11-19 02:44:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 536 transitions. [2023-11-19 02:44:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:44:32,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:32,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:32,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:32,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 378 states and 560 transitions. [2023-11-19 02:44:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 560 transitions. [2023-11-19 02:44:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:44:34,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:34,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:34,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:34,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:35,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:38,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:38,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 405 states and 597 transitions. [2023-11-19 02:44:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 597 transitions. [2023-11-19 02:44:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:44:38,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:38,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:38,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:38,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 408 states and 600 transitions. [2023-11-19 02:44:39,531 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 600 transitions. [2023-11-19 02:44:39,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:44:39,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:39,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:39,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:39,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:44:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 407 states and 599 transitions. [2023-11-19 02:44:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 599 transitions. [2023-11-19 02:44:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:44:39,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:39,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:39,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:40,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 406 states and 598 transitions. [2023-11-19 02:44:40,372 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 598 transitions. [2023-11-19 02:44:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:44:40,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:40,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:40,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:44:40,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:40,406 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 02:44:40,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:40,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 405 states and 597 transitions. [2023-11-19 02:44:40,429 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 597 transitions. [2023-11-19 02:44:40,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:44:40,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:40,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:40,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:40,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:40,627 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 02:44:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 419 states and 626 transitions. [2023-11-19 02:44:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 626 transitions. [2023-11-19 02:44:41,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:44:41,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:41,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:41,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:41,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:41,943 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 02:44:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 434 states and 655 transitions. [2023-11-19 02:44:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 655 transitions. [2023-11-19 02:44:43,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:44:43,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:43,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:43,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:43,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 02:44:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 433 states and 654 transitions. [2023-11-19 02:44:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 654 transitions. [2023-11-19 02:44:43,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:44:43,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:43,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:43,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:43,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:43,316 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 02:44:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 449 states and 685 transitions. [2023-11-19 02:44:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 685 transitions. [2023-11-19 02:44:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:44:44,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:44,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:44,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:44,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:44:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 448 states and 684 transitions. [2023-11-19 02:44:44,686 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 684 transitions. [2023-11-19 02:44:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:44:44,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:44,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:44,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:44,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:44,913 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 02:44:45,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 447 states and 683 transitions. [2023-11-19 02:44:45,146 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 683 transitions. [2023-11-19 02:44:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:44:45,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:45,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:45,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 02:44:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 446 states and 682 transitions. [2023-11-19 02:44:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 682 transitions. [2023-11-19 02:44:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:44:45,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:45,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:45,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:45,779 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 02:44:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 464 states and 714 transitions. [2023-11-19 02:44:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 714 transitions. [2023-11-19 02:44:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:44:47,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:47,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:47,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:47,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 02:44:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 463 states and 713 transitions. [2023-11-19 02:44:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 713 transitions. [2023-11-19 02:44:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:44:48,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:48,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:48,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:48,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:48,427 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 02:44:49,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 462 states and 712 transitions. [2023-11-19 02:44:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 712 transitions. [2023-11-19 02:44:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:44:49,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:49,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:49,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:49,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:49,361 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 02:44:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 461 states and 711 transitions. [2023-11-19 02:44:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 711 transitions. [2023-11-19 02:44:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:44:50,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:50,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:50,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:44:50,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:55,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 147 states and 223 transitions. [2023-11-19 02:44:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2023-11-19 02:44:55,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:44:55,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:55,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:55,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:55,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:55,462 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 02:44:57,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 146 states and 222 transitions. [2023-11-19 02:44:57,388 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 222 transitions. [2023-11-19 02:44:57,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:44:57,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:57,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:57,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:57,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.