./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.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_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi --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 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:58,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:59,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:55:59,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:59,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:59,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:59,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:59,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:59,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:59,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:59,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:59,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:59,103 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:59,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:59,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:59,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:59,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:59,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:59,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:59,108 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:59,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:59,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:59,110 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:59,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:59,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:59,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:59,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:59,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:59,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:59,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:59,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:59,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:59,116 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:59,117 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_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 [2023-11-24 22:55:59,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:59,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:59,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:59,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:59,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:59,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2023-11-24 22:56:02,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:02,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:02,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2023-11-24 22:56:02,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/data/14851500a/4475d6ee414141e285f0cb3197083153/FLAG52454292c [2023-11-24 22:56:02,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/data/14851500a/4475d6ee414141e285f0cb3197083153 [2023-11-24 22:56:02,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:02,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:02,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:02,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:02,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:02,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:02" (1/1) ... [2023-11-24 22:56:02,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6112de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:02, skipping insertion in model container [2023-11-24 22:56:02,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:02" (1/1) ... [2023-11-24 22:56:02,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:03,062 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_a9f59cce-a5e7-4d00-b458-56c01683444c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2023-11-24 22:56:03,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:03,102 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:03,119 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_a9f59cce-a5e7-4d00-b458-56c01683444c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2023-11-24 22:56:03,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:03,187 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:03,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03 WrapperNode [2023-11-24 22:56:03,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:03,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:03,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:03,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:03,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,251 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-24 22:56:03,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:03,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:03,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:03,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:03,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:03,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:03,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:03,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:03,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:03,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:03,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:03,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f59cce-a5e7-4d00-b458-56c01683444c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:03,438 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:03,441 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:03,587 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:03,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:03,609 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:56:03,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:03 BoogieIcfgContainer [2023-11-24 22:56:03,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:03,612 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:03,612 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:03,622 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:03,622 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:03" (1/1) ... [2023-11-24 22:56:03,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:03,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-24 22:56:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-24 22:56:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:03,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:03,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:03,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:03,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-24 22:56:03,984 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-24 22:56:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:03,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:03,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:04,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:04,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:04,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:56:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:56:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:04,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:04,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:04,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:56:04,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 22:56:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 22:56:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:04,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:04,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:04,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:56:04,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-24 22:56:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-24 22:56:04,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:04,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:04,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:04,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:04,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2023-11-24 22:56:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2023-11-24 22:56:05,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:05,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:05,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:05,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:56:05,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:06,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2023-11-24 22:56:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2023-11-24 22:56:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:06,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:06,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:06,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:56:06,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2023-11-24 22:56:07,122 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2023-11-24 22:56:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:07,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:07,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:07,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:08,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 42 states and 89 transitions. [2023-11-24 22:56:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 89 transitions. [2023-11-24 22:56:08,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:56:08,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:08,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:08,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:56:08,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 122 transitions. [2023-11-24 22:56:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 122 transitions. [2023-11-24 22:56:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:56:10,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:10,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:10,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:56:10,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2023-11-24 22:56:10,985 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2023-11-24 22:56:10,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:10,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:10,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:11,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:56:11,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 57 states and 137 transitions. [2023-11-24 22:56:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 137 transitions. [2023-11-24 22:56:12,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:12,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:12,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:12,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:56:12,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 61 states and 155 transitions. [2023-11-24 22:56:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 155 transitions. [2023-11-24 22:56:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:13,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:13,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:13,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:56:13,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 63 states and 157 transitions. [2023-11-24 22:56:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 157 transitions. [2023-11-24 22:56:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:14,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:14,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:14,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:56:14,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:14,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 65 states and 159 transitions. [2023-11-24 22:56:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 159 transitions. [2023-11-24 22:56:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:14,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:14,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:14,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:56:14,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 185 transitions. [2023-11-24 22:56:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 185 transitions. [2023-11-24 22:56:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:56:15,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:15,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:15,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:15,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:56:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 72 states and 195 transitions. [2023-11-24 22:56:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 195 transitions. [2023-11-24 22:56:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:56:17,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:17,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:17,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:56:17,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 81 states and 238 transitions. [2023-11-24 22:56:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 238 transitions. [2023-11-24 22:56:20,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:56:20,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:20,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:20,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:56:20,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:20,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:21,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 85 states and 241 transitions. [2023-11-24 22:56:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 241 transitions. [2023-11-24 22:56:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:56:21,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:21,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:22,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:56:22,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:22,112 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 87 states and 243 transitions. [2023-11-24 22:56:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 243 transitions. [2023-11-24 22:56:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:22,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:22,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:56:22,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 91 states and 260 transitions. [2023-11-24 22:56:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 260 transitions. [2023-11-24 22:56:24,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:24,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:24,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:24,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:56:24,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:25,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 93 states and 262 transitions. [2023-11-24 22:56:25,448 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 262 transitions. [2023-11-24 22:56:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:25,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:25,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:25,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:56:25,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 95 states and 264 transitions. [2023-11-24 22:56:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 264 transitions. [2023-11-24 22:56:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:26,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:26,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:26,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:56:26,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2023-11-24 22:56:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2023-11-24 22:56:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:28,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:28,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:28,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:56:28,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 101 states and 291 transitions. [2023-11-24 22:56:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 291 transitions. [2023-11-24 22:56:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:29,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:56:29,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 105 states and 326 transitions. [2023-11-24 22:56:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 326 transitions. [2023-11-24 22:56:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:30,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:30,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:30,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:56:30,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 105 states and 325 transitions. [2023-11-24 22:56:31,086 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 325 transitions. [2023-11-24 22:56:31,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:56:31,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:31,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:56:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 108 states and 336 transitions. [2023-11-24 22:56:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 336 transitions. [2023-11-24 22:56:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:56:32,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:56:32,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 117 states and 391 transitions. [2023-11-24 22:56:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 391 transitions. [2023-11-24 22:56:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:56:37,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:56:37,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 119 states and 393 transitions. [2023-11-24 22:56:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 393 transitions. [2023-11-24 22:56:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:56:38,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:56:38,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 123 states and 396 transitions. [2023-11-24 22:56:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 396 transitions. [2023-11-24 22:56:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:56:40,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:56:40,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:41,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 125 states and 398 transitions. [2023-11-24 22:56:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 398 transitions. [2023-11-24 22:56:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:56:41,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:56:41,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:43,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 127 states and 399 transitions. [2023-11-24 22:56:43,143 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 399 transitions. [2023-11-24 22:56:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:43,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:43,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:43,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:56:43,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 131 states and 420 transitions. [2023-11-24 22:56:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 420 transitions. [2023-11-24 22:56:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:45,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:45,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:45,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:45,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 135 states and 452 transitions. [2023-11-24 22:56:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 452 transitions. [2023-11-24 22:56:47,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:47,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:47,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:48,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:56:48,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 137 states and 454 transitions. [2023-11-24 22:56:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 454 transitions. [2023-11-24 22:56:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:49,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:49,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:49,390 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 141 states and 498 transitions. [2023-11-24 22:56:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 498 transitions. [2023-11-24 22:56:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:51,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:56:51,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 143 states and 500 transitions. [2023-11-24 22:56:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 500 transitions. [2023-11-24 22:56:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:52,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:52,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:52,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:53,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:53,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 143 states and 499 transitions. [2023-11-24 22:56:53,273 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 499 transitions. [2023-11-24 22:56:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:53,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:53,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:53,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:56:53,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:54,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:54,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 145 states and 501 transitions. [2023-11-24 22:56:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 501 transitions. [2023-11-24 22:56:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:54,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:54,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:54,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:56:54,733 INFO L285 TraceCheckSpWp]: Computing forward predicates...