./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/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_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a053a782decb11d2f285c3ec51c61736c730fd1e4c1a5a335f84feb7be146afe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:57,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:57,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:15:57,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:57,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:57,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:57,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:57,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:57,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:57,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:57,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:57,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:57,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:57,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:57,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:57,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:57,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:57,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:57,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:57,418 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:57,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:57,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:57,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:57,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:57,422 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:57,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:57,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:57,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:57,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:57,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:57,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:57,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:57,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:57,427 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_09c5b99e-aa17-4c1b-9646-6594595d95c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a053a782decb11d2f285c3ec51c61736c730fd1e4c1a5a335f84feb7be146afe [2023-11-19 03:15:57,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:57,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:57,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:57,857 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:57,857 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:57,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2023-11-19 03:16:01,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:01,979 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:01,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2023-11-19 03:16:01,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/data/d39ff2278/618343f2126747c88b04aac90b1952e1/FLAG5630bd7f8 [2023-11-19 03:16:02,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/data/d39ff2278/618343f2126747c88b04aac90b1952e1 [2023-11-19 03:16:02,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:02,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:02,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:02,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:02,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:02,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd6b076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02, skipping insertion in model container [2023-11-19 03:16:02,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:02,333 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] [2023-11-19 03:16:02,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:02,359 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:02,381 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] [2023-11-19 03:16:02,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:02,402 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:02,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02 WrapperNode [2023-11-19 03:16:02,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:02,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:02,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:02,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:02,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,447 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2023-11-19 03:16:02,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:02,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:02,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:02,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:02,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:02,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:02,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:02,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:02,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:02,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:02,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:02,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c5b99e-aa17-4c1b-9646-6594595d95c2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:02,661 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:02,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:02,896 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:02,914 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:02,915 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:16:02,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:02 BoogieIcfgContainer [2023-11-19 03:16:02,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:02,926 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:02,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:02,938 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:02,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-19 03:16:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-19 03:16:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:16:03,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:03,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:03,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:16:03,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2023-11-19 03:16:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2023-11-19 03:16:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:16:04,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:04,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:04,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:16:04,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:05,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2023-11-19 03:16:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2023-11-19 03:16:05,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:16:05,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:05,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:05,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:16:05,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:05,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:05,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2023-11-19 03:16:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2023-11-19 03:16:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:16:05,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:05,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:05,922 WARN L260 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:16:05,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 22 states and 48 transitions. [2023-11-19 03:16:06,548 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 48 transitions. [2023-11-19 03:16:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:16:06,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:06,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:06,612 WARN L260 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:16:06,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 24 states and 57 transitions. [2023-11-19 03:16:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 57 transitions. [2023-11-19 03:16:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:16:07,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:07,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:07,621 WARN L260 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 03:16:07,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 26 states and 67 transitions. [2023-11-19 03:16:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 67 transitions. [2023-11-19 03:16:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:16:08,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:08,516 WARN L260 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 03:16:08,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 28 states and 78 transitions. [2023-11-19 03:16:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 78 transitions. [2023-11-19 03:16:09,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:09,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,615 WARN L260 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 03:16:09,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:09,869 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:10,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 30 states and 90 transitions. [2023-11-19 03:16:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 90 transitions. [2023-11-19 03:16:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:16:10,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,633 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 03:16:10,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:10,940 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 32 states and 103 transitions. [2023-11-19 03:16:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 103 transitions. [2023-11-19 03:16:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:11,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,968 WARN L260 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 34 states and 117 transitions. [2023-11-19 03:16:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 117 transitions. [2023-11-19 03:16:13,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:16:13,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:13,205 WARN L260 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 03:16:13,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:16,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 36 states and 132 transitions. [2023-11-19 03:16:16,190 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 132 transitions. [2023-11-19 03:16:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:16:16,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:16,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:16,252 WARN L260 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-19 03:16:16,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 38 states and 148 transitions. [2023-11-19 03:16:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 148 transitions. [2023-11-19 03:16:18,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:16:18,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:18,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:18,111 WARN L260 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-19 03:16:18,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:18,628 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 40 states and 165 transitions. [2023-11-19 03:16:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 165 transitions. [2023-11-19 03:16:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:16:19,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:19,964 WARN L260 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-19 03:16:19,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:21,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 42 states and 183 transitions. [2023-11-19 03:16:21,647 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 183 transitions. [2023-11-19 03:16:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:16:21,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:21,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:21,723 WARN L260 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-19 03:16:21,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:23,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:23,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 44 states and 202 transitions. [2023-11-19 03:16:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 202 transitions. [2023-11-19 03:16:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:16:23,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:23,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:23,618 WARN L260 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 88 conjunts are in the unsatisfiable core [2023-11-19 03:16:23,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 46 states and 222 transitions. [2023-11-19 03:16:25,537 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 222 transitions. [2023-11-19 03:16:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:16:25,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:25,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:25,628 WARN L260 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 92 conjunts are in the unsatisfiable core [2023-11-19 03:16:25,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 48 states and 243 transitions. [2023-11-19 03:16:27,612 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 243 transitions. [2023-11-19 03:16:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:16:27,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:27,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:27,679 WARN L260 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-19 03:16:27,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 50 states and 265 transitions. [2023-11-19 03:16:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 265 transitions. [2023-11-19 03:16:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:16:29,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:29,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:29,904 WARN L260 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 100 conjunts are in the unsatisfiable core [2023-11-19 03:16:29,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:30,317 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 52 states and 288 transitions. [2023-11-19 03:16:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 288 transitions. [2023-11-19 03:16:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:16:32,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:32,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:32,263 WARN L260 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 104 conjunts are in the unsatisfiable core [2023-11-19 03:16:32,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:34,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 54 states and 312 transitions. [2023-11-19 03:16:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 312 transitions. [2023-11-19 03:16:34,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:16:34,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:34,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:34,535 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 108 conjunts are in the unsatisfiable core [2023-11-19 03:16:34,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 56 states and 337 transitions. [2023-11-19 03:16:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 337 transitions. [2023-11-19 03:16:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:16:37,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:37,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:37,176 WARN L260 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 113 conjunts are in the unsatisfiable core [2023-11-19 03:16:37,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 58 states and 363 transitions. [2023-11-19 03:16:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 363 transitions. [2023-11-19 03:16:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:16:42,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:42,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:42,913 WARN L260 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-19 03:16:42,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:43,536 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:46,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 60 states and 390 transitions. [2023-11-19 03:16:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 390 transitions. [2023-11-19 03:16:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:16:46,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:46,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:46,355 WARN L260 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 120 conjunts are in the unsatisfiable core [2023-11-19 03:16:46,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 62 states and 418 transitions. [2023-11-19 03:16:49,601 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 418 transitions. [2023-11-19 03:16:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:16:49,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:49,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:49,685 WARN L260 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 127 conjunts are in the unsatisfiable core [2023-11-19 03:16:49,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 64 states and 447 transitions. [2023-11-19 03:16:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 447 transitions. [2023-11-19 03:16:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:16:53,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:53,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms