./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9 --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 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:53:50,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:53:51,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:53:51,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:53:51,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:53:51,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:53:51,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:53:51,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:53:51,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:53:51,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:53:51,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:53:51,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:53:51,088 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:53:51,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:53:51,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:53:51,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:53:51,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:53:51,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:53:51,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:53:51,092 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:53:51,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:53:51,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:53:51,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:53:51,094 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:53:51,094 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:53:51,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:53:51,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:53:51,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:53:51,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:53:51,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:53:51,097 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:53:51,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:53:51,098 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:53:51,098 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_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c [2023-12-03 01:53:51,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:53:51,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:53:51,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:53:51,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:53:51,353 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:53:51,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-12-03 01:53:54,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:53:54,263 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:53:54,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-12-03 01:53:54,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/data/b311f328b/e35181809a434df1a26fe0da81cdd1e6/FLAG66fe699f3 [2023-12-03 01:53:54,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/data/b311f328b/e35181809a434df1a26fe0da81cdd1e6 [2023-12-03 01:53:54,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:53:54,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:53:54,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:53:54,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:53:54,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:53:54,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336cc5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54, skipping insertion in model container [2023-12-03 01:53:54,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:53:54,475 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_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2023-12-03 01:53:54,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:53:54,503 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:53:54,516 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_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2023-12-03 01:53:54,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:53:54,538 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:53:54,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54 WrapperNode [2023-12-03 01:53:54,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:53:54,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:53:54,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:53:54,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:53:54,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,573 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-12-03 01:53:54,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:53:54,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:53:54,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:53:54,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:53:54,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:53:54,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:53:54,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:53:54,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:53:54,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:53:54,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:53:54,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:53:54,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162aaa4c-5499-431d-b2ff-39c9a1cd18e9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:53:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:53:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:53:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:53:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:53:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:53:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:53:54,727 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:53:54,729 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:53:54,868 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:53:54,910 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:53:54,911 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:53:54,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:53:54 BoogieIcfgContainer [2023-12-03 01:53:54,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:53:54,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:53:54,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:53:54,921 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:53:54,922 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:53:54" (1/1) ... [2023-12-03 01:53:54,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:53:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-12-03 01:53:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-12-03 01:53:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:53:54,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:54,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:55,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 01:53:55,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-12-03 01:53:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-12-03 01:53:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:53:55,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:55,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:55,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:53:55,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-03 01:53:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-03 01:53:55,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:53:55,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:55,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:55,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 01:53:55,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-12-03 01:53:56,129 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-12-03 01:53:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:53:56,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:56,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:56,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 01:53:56,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:57,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-12-03 01:53:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-12-03 01:53:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:53:57,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:57,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:57,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:53:57,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:53:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2023-12-03 01:53:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-12-03 01:53:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:53:58,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:58,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:58,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 01:53:58,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:54:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 104 transitions. [2023-12-03 01:54:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 104 transitions. [2023-12-03 01:54:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:54:02,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:02,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:02,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 01:54:02,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:54:03,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:03,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 46 states and 106 transitions. [2023-12-03 01:54:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 106 transitions. [2023-12-03 01:54:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:54:03,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:03,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:03,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 01:54:03,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:54:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 49 states and 119 transitions. [2023-12-03 01:54:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 119 transitions. [2023-12-03 01:54:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:54:05,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:05,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:06,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:54:06,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 57 states and 157 transitions. [2023-12-03 01:54:11,011 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 157 transitions. [2023-12-03 01:54:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:54:11,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:11,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:11,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:54:11,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:11,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 58 states and 158 transitions. [2023-12-03 01:54:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 158 transitions. [2023-12-03 01:54:11,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:54:11,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:11,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:11,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 01:54:11,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:54:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 62 states and 186 transitions. [2023-12-03 01:54:15,450 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 186 transitions. [2023-12-03 01:54:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:54:15,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:15,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:15,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 01:54:15,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:54:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 62 states and 177 transitions. [2023-12-03 01:54:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 177 transitions. [2023-12-03 01:54:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:54:17,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:17,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:17,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 01:54:17,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:54:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 65 states and 197 transitions. [2023-12-03 01:54:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 197 transitions. [2023-12-03 01:54:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:54:22,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:22,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:22,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:54:22,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 69 states and 211 transitions. [2023-12-03 01:54:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 211 transitions. [2023-12-03 01:54:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:54:27,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:27,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:27,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:54:27,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 74 states and 245 transitions. [2023-12-03 01:54:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 245 transitions. [2023-12-03 01:54:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:54:30,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:30,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:30,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 01:54:30,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:32,194 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:54:36,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:36,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 78 states and 280 transitions. [2023-12-03 01:54:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 280 transitions. [2023-12-03 01:54:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:54:36,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:36,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:36,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 01:54:36,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:54:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 78 states and 264 transitions. [2023-12-03 01:54:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 264 transitions. [2023-12-03 01:54:39,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:54:39,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:39,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:39,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 01:54:39,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:54:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 81 states and 293 transitions. [2023-12-03 01:54:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 293 transitions. [2023-12-03 01:54:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:54:47,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:47,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:47,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:47,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 85 states and 307 transitions. [2023-12-03 01:54:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 307 transitions. [2023-12-03 01:54:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:54:54,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:54,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:54,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:54,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 90 states and 350 transitions. [2023-12-03 01:54:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 350 transitions. [2023-12-03 01:54:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:54:57,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:57,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 01:54:57,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 01:55:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 94 states and 392 transitions. [2023-12-03 01:55:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 392 transitions. [2023-12-03 01:55:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:55:08,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:08,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:08,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 01:55:08,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 01:55:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 94 states and 367 transitions. [2023-12-03 01:55:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 367 transitions. [2023-12-03 01:55:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:55:13,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:13,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:13,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 01:55:13,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 01:55:56,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 115 states and 500 transitions. [2023-12-03 01:55:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 500 transitions. [2023-12-03 01:55:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:55:56,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:56,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:57,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 01:55:57,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 01:56:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 117 states and 510 transitions. [2023-12-03 01:56:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 510 transitions. [2023-12-03 01:56:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:56:05,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:05,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:56:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:06,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 01:56:06,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 01:56:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 120 states and 549 transitions. [2023-12-03 01:56:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 549 transitions. [2023-12-03 01:56:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:56:23,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:23,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:56:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:23,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:56:23,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:56:35,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 124 states and 563 transitions. [2023-12-03 01:56:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 563 transitions. [2023-12-03 01:56:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:56:35,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:35,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:56:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:35,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:56:35,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:56:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:47,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 128 states and 575 transitions. [2023-12-03 01:56:47,001 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 575 transitions. [2023-12-03 01:56:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:56:47,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:47,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:56:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:47,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:56:47,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:56:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 133 states and 633 transitions. [2023-12-03 01:56:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 633 transitions. [2023-12-03 01:56:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:56:54,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:54,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:56:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:54,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 01:56:54,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 23 proven. 64 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:57:11,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:11,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 137 states and 689 transitions. [2023-12-03 01:57:11,108 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 689 transitions. [2023-12-03 01:57:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:57:11,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:11,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:57:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:11,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 01:57:11,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 23 proven. 64 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:57:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:21,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 137 states and 653 transitions. [2023-12-03 01:57:21,653 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 653 transitions. [2023-12-03 01:57:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:57:21,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:21,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:57:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:21,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 01:57:21,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 23 proven. 64 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:57:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 137 states and 617 transitions. [2023-12-03 01:57:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 617 transitions. [2023-12-03 01:57:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:57:30,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:30,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:57:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:30,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 01:57:30,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 23 proven. 82 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 01:57:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 141 states and 686 transitions. [2023-12-03 01:57:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 686 transitions. [2023-12-03 01:57:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:57:57,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:57,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:57:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:57,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 01:57:57,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 22 proven. 92 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 01:58:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:07,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 141 states and 682 transitions. [2023-12-03 01:58:07,615 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 682 transitions. [2023-12-03 01:58:07,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 01:58:07,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:07,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:58:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:07,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:58:07,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:58:25,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:25,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 145 states and 696 transitions. [2023-12-03 01:58:25,118 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 696 transitions. [2023-12-03 01:58:25,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 01:58:25,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:25,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:58:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:25,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:58:25,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:58:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 150 states and 765 transitions. [2023-12-03 01:58:33,187 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 765 transitions. [2023-12-03 01:58:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:58:33,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:33,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:58:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:33,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-03 01:58:33,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 42 proven. 86 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 01:59:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 154 states and 829 transitions. [2023-12-03 01:59:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 829 transitions. [2023-12-03 01:59:03,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 01:59:03,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:03,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:03,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-03 01:59:03,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 42 proven. 86 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 01:59:15,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:15,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 154 states and 780 transitions. [2023-12-03 01:59:15,842 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 780 transitions. [2023-12-03 01:59:15,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:59:15,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:15,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:16,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-03 01:59:16,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 02:00:52,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:52,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 183 states and 990 transitions. [2023-12-03 02:00:52,466 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 990 transitions. [2023-12-03 02:00:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:00:52,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:52,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:00:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:52,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-03 02:00:52,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 02:01:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 189 states and 1079 transitions. [2023-12-03 02:01:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1079 transitions. [2023-12-03 02:01:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:01:54,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:54,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:01:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:54,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:01:54,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:01:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:02:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:14,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 193 states and 1094 transitions. [2023-12-03 02:02:14,725 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1094 transitions. [2023-12-03 02:02:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:02:14,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:14,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:14,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:02:14,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:02:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 198 states and 1187 transitions. [2023-12-03 02:02:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 1187 transitions. [2023-12-03 02:02:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 02:02:28,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:28,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:28,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-03 02:02:28,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:40,019 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 33 proven. 116 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-03 02:03:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 202 states and 1260 transitions. [2023-12-03 02:03:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 1260 transitions. [2023-12-03 02:03:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 02:03:08,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:08,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:08,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 02:03:08,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 50 proven. 114 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-03 02:03:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 202 states and 1196 transitions. [2023-12-03 02:03:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 1196 transitions. [2023-12-03 02:03:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:03:34,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:34,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:34,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 02:03:34,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 140 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-03 02:04:27,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 206 states and 1301 transitions. [2023-12-03 02:04:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 1301 transitions. [2023-12-03 02:04:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 02:04:27,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:27,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:27,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:04:27,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:04:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:04:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:54,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 210 states and 1315 transitions. [2023-12-03 02:04:54,090 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1315 transitions. [2023-12-03 02:04:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 02:04:54,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:54,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:54,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:04:54,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:04:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:05:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 215 states and 1421 transitions. [2023-12-03 02:05:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1421 transitions. [2023-12-03 02:05:08,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 02:05:08,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:08,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:08,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-03 02:05:08,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 20 proven. 166 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-03 02:06:00,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 219 states and 1501 transitions. [2023-12-03 02:06:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 1501 transitions. [2023-12-03 02:06:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 02:06:00,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:00,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 02:06:00,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 58 proven. 146 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-03 02:06:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 219 states and 1420 transitions. [2023-12-03 02:06:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 1420 transitions. [2023-12-03 02:06:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 02:06:31,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:31,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:32,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-03 02:06:32,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 20 proven. 193 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-03 02:07:32,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 223 states and 1546 transitions. [2023-12-03 02:07:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 1546 transitions. [2023-12-03 02:07:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 02:07:32,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:32,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:32,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:07:32,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 227 states and 1560 transitions. [2023-12-03 02:08:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 1560 transitions. [2023-12-03 02:08:00,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 02:08:00,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:00,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:00,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:08:00,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:01,019 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:08:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 232 states and 1678 transitions. [2023-12-03 02:08:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1678 transitions. [2023-12-03 02:08:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 02:08:16,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:16,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:08:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:16,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 60 conjunts are in the unsatisfiable core [2023-12-03 02:08:16,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 66 proven. 182 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked.